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Merge branch 'bug33195_master' into ticket33280_master

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@ -0,0 +1,5 @@
o Documentation (manpage):
- Alphabetize the Server and Directory server sections of the tor
manpage. Also split Statistics options into their own section
of the manpage. Closes ticket 33188. Work by Swati Thacker as
part of Google Season of Docs.

636
doc/tor.1.txt
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@ -794,6 +794,11 @@ forward slash (/) in the configuration file and on the command line.
fetches by the relay (from authority or other relays), because that is considered
"client" activity. (Default: 0)
[[RephistTrackTime]] **RephistTrackTime** __N__ **seconds**|**minutes**|**hours**|**days**|**weeks**::
Tells an authority, or other node tracking node reliability and history,
that fine-grained information about nodes can be discarded when it hasn't
changed for a given amount of time. (Default: 24 hours)
[[RunAsDaemon]] **RunAsDaemon** **0**|**1**::
If 1, Tor forks and daemonizes to the background. This option has no effect
on Windows; instead you should use the --service command-line option.
@ -2060,9 +2065,58 @@ different from other Tor clients:
== SERVER OPTIONS
// These options are in alphabetical order, with exceptions as noted.
// Please keep them that way!
The following options are useful only for servers (that is, if ORPort
is non-zero):
[[AccountingMax]] **AccountingMax** __N__ **bytes**|**KBytes**|**MBytes**|**GBytes**|**TBytes**|**KBits**|**MBits**|**GBits**|**TBits**::
Limits the max number of bytes sent and received within a set time period
using a given calculation rule (see: AccountingStart, AccountingRule).
Useful if you need to stay under a specific bandwidth. By default, the
number used for calculation is the max of either the bytes sent or
received. For example, with AccountingMax set to 1 TByte, a server
could send 900 GBytes and receive 800 GBytes and continue running.
It will only hibernate once one of the two reaches 1 TByte. This can
be changed to use the sum of the both bytes received and sent by setting
the AccountingRule option to "sum" (total bandwidth in/out). When the
number of bytes remaining gets low, Tor will stop accepting new connections
and circuits. When the number of bytes is exhausted, Tor will hibernate
until some time in the next accounting period. To prevent all servers
from waking at the same time, Tor will also wait until a random point
in each period before waking up. If you have bandwidth cost issues,
enabling hibernation is preferable to setting a low bandwidth, since
it provides users with a collection of fast servers that are up some
of the time, which is more useful than a set of slow servers that are
always "available". +
+
Note that (as also described in the Bandwidth section) Tor uses
powers of two, not powers of ten: 1 GByte is 1024*1024*1024, not
one billion. Be careful: some internet service providers might count
GBytes differently.
[[AccountingRule]] **AccountingRule** **sum**|**max**|**in**|**out**::
How we determine when our AccountingMax has been reached (when we
should hibernate) during a time interval. Set to "max" to calculate
using the higher of either the sent or received bytes (this is the
default functionality). Set to "sum" to calculate using the sent
plus received bytes. Set to "in" to calculate using only the
received bytes. Set to "out" to calculate using only the sent bytes.
(Default: max)
[[AccountingStart]] **AccountingStart** **day**|**week**|**month** [__day__] __HH:MM__::
Specify how long accounting periods last. If **month** is given,
each accounting period runs from the time __HH:MM__ on the __dayth__ day of one
month to the same day and time of the next. The relay will go at full speed,
use all the quota you specify, then hibernate for the rest of the period. (The
day must be between 1 and 28.) If **week** is given, each accounting period
runs from the time __HH:MM__ of the __dayth__ day of one week to the same day
and time of the next week, with Monday as day 1 and Sunday as day 7. If **day**
is given, each accounting period runs from the time __HH:MM__ each day to the
same time on the next day. All times are local, and given in 24-hour time.
(Default: "month 1 0:00")
[[Address]] **Address** __address__::
The IPv4 address of this server, or a fully qualified domain name of
this server that resolves to an IPv4 address. You can leave this
@ -2088,6 +2142,15 @@ is non-zero):
Note: make sure that no MyFamily lines are present in your torrc when
relay is configured in bridge mode.
//Out of order because it logically belongs after BridgeRelay.
[[BridgeRecordUsageByCountry]] **BridgeRecordUsageByCountry** **0**|**1**::
When this option is enabled and BridgeRelay is also enabled, and we have
GeoIP data, Tor keeps a per-country count of how many client
addresses have contacted it so that it can help the bridge authority guess
which countries have blocked access to it. If ExtraInfoStatistics is
enabled, it will be published as part of extra-info document. (Default: 1)
//Out of order because it logically belongs after BridgeRelay.
[[BridgeDistribution]] **BridgeDistribution** __string__::
If set along with BridgeRelay, Tor will include a new line in its
bridge descriptor which indicates to the BridgeDB service how it
@ -2108,21 +2171,11 @@ is non-zero):
relay or bridge. (Really, everybody running a relay or bridge should set
it.)
[[ExitRelay]] **ExitRelay** **0**|**1**|**auto**::
Tells Tor whether to run as an exit relay. If Tor is running as a
non-bridge server, and ExitRelay is set to 1, then Tor allows traffic to
exit according to the ExitPolicy option, the ReducedExitPolicy option,
or the default ExitPolicy (if no other exit policy option is specified). +
+
If ExitRelay is set to 0, no traffic is allowed to exit, and the
ExitPolicy, ReducedExitPolicy, and IPv6Exit options are ignored. +
+
If ExitRelay is set to "auto", then Tor checks the ExitPolicy,
ReducedExitPolicy, and IPv6Exit options. If at least one of these options
is set, Tor behaves as if ExitRelay were set to 1. If none of these exit
policy options are set, Tor behaves as if ExitRelay were set to 0.
(Default: auto)
[[DisableOOSCheck]] **DisableOOSCheck** **0**|**1**::
This option disables the code that closes connections when Tor notices
that it is running low on sockets. Right now, it is on by default,
since the existing out-of-sockets mechanism tends to kill OR connections
more than it should. (Default: 1)
[[ExitPolicy]] **ExitPolicy** __policy__,__policy__,__...__::
Set an exit policy for this server. Each policy is of the form
@ -2205,12 +2258,6 @@ is non-zero):
Since the default exit policy uses accept/reject *, it applies to both
IPv4 and IPv6 addresses.
[[ExitPolicyRejectPrivate]] **ExitPolicyRejectPrivate** **0**|**1**::
Reject all private (local) networks, along with the relay's advertised
public IPv4 and IPv6 addresses, at the beginning of your exit policy.
See above entry on ExitPolicy.
(Default: 1)
[[ExitPolicyRejectLocalInterfaces]] **ExitPolicyRejectLocalInterfaces** **0**|**1**::
Reject all IPv4 and IPv6 addresses that the relay knows about, at the
beginning of your exit policy. This includes any OutboundBindAddress, the
@ -2223,6 +2270,168 @@ is non-zero):
to disclose.
(Default: 0)
[[ExitPolicyRejectPrivate]] **ExitPolicyRejectPrivate** **0**|**1**::
Reject all private (local) networks, along with the relay's advertised
public IPv4 and IPv6 addresses, at the beginning of your exit policy.
See above entry on ExitPolicy.
(Default: 1)
[[ExitRelay]] **ExitRelay** **0**|**1**|**auto**::
Tells Tor whether to run as an exit relay. If Tor is running as a
non-bridge server, and ExitRelay is set to 1, then Tor allows traffic to
exit according to the ExitPolicy option, the ReducedExitPolicy option,
or the default ExitPolicy (if no other exit policy option is specified). +
+
If ExitRelay is set to 0, no traffic is allowed to exit, and the
ExitPolicy, ReducedExitPolicy, and IPv6Exit options are ignored. +
+
If ExitRelay is set to "auto", then Tor checks the ExitPolicy,
ReducedExitPolicy, and IPv6Exit options. If at least one of these options
is set, Tor behaves as if ExitRelay were set to 1. If none of these exit
policy options are set, Tor behaves as if ExitRelay were set to 0.
(Default: auto)
[[ExtendAllowPrivateAddresses]] **ExtendAllowPrivateAddresses** **0**|**1**::
When this option is enabled, Tor will connect to relays on localhost,
RFC1918 addresses, and so on. In particular, Tor will make direct OR
connections, and Tor routers allow EXTEND requests, to these private
addresses. (Tor will always allow connections to bridges, proxies, and
pluggable transports configured on private addresses.) Enabling this
option can create security issues; you should probably leave it off.
(Default: 0)
[[GeoIPFile]] **GeoIPFile** __filename__::
A filename containing IPv4 GeoIP data, for use with by-country statistics.
[[GeoIPv6File]] **GeoIPv6File** __filename__::
A filename containing IPv6 GeoIP data, for use with by-country statistics.
[[HeartbeatPeriod]] **HeartbeatPeriod** __N__ **minutes**|**hours**|**days**|**weeks**::
Log a heartbeat message every **HeartbeatPeriod** seconds. This is
a log level __notice__ message, designed to let you know your Tor
server is still alive and doing useful things. Settings this
to 0 will disable the heartbeat. Otherwise, it must be at least 30
minutes. (Default: 6 hours)
[[IPv6Exit]] **IPv6Exit** **0**|**1**::
If set, and we are an exit node, allow clients to use us for IPv6 traffic.
When this option is set and ExitRelay is auto, we act as if ExitRelay
is 1. (Default: 0)
[[KeyDirectory]] **KeyDirectory** __DIR__::
Store secret keys in DIR. Can not be changed while tor is
running.
(Default: the "keys" subdirectory of DataDirectory.)
[[KeyDirectoryGroupReadable]] **KeyDirectoryGroupReadable** **0**|**1**|**auto**::
If this option is set to 0, don't allow the filesystem group to read the
KeyDirectory. If the option is set to 1, make the KeyDirectory readable
by the default GID. If the option is "auto", then we use the
setting for DataDirectoryGroupReadable when the KeyDirectory is the
same as the DataDirectory, and 0 otherwise. (Default: auto)
[[MainloopStats]] **MainloopStats** **0**|**1**::
Log main loop statistics every **HeartbeatPeriod** seconds. This is a log
level __notice__ message designed to help developers instrumenting Tor's
main event loop. (Default: 0)
[[MaxMemInQueues]] **MaxMemInQueues** __N__ **bytes**|**KBytes**|**MBytes**|**GBytes**::
This option configures a threshold above which Tor will assume that it
needs to stop queueing or buffering data because it's about to run out of
memory. If it hits this threshold, it will begin killing circuits until
it has recovered at least 10% of this memory. Do not set this option too
low, or your relay may be unreliable under load. This option only
affects some queues, so the actual process size will be larger than
this. If this option is set to 0, Tor will try to pick a reasonable
default based on your system's physical memory. (Default: 0)
[[MaxOnionQueueDelay]] **MaxOnionQueueDelay** __NUM__ [**msec**|**second**]::
If we have more onionskins queued for processing than we can process in
this amount of time, reject new ones. (Default: 1750 msec)
[[MyFamily]] **MyFamily** __fingerprint__,__fingerprint__,...::
Declare that this Tor relay is controlled or administered by a group or
organization identical or similar to that of the other relays, defined by
their (possibly $-prefixed) identity fingerprints.
This option can be repeated many times, for
convenience in defining large families: all fingerprints in all MyFamily
lines are merged into one list.
When two relays both declare that they are in the
same \'family', Tor clients will not use them in the same circuit. (Each
relay only needs to list the other servers in its family; it doesn't need to
list itself, but it won't hurt if it does.) Do not list any bridge relay as it would
compromise its concealment. +
+
When listing a node, it's better to list it by fingerprint than by
nickname: fingerprints are more reliable. +
+
If you run more than one relay, the MyFamily option on each relay
**must** list all other relays, as described above. +
+
Note: do not use MyFamily when configuring your Tor instance as a
brigde.
[[Nickname]] **Nickname** __name__::
Set the server's nickname to \'name'. Nicknames must be between 1 and 19
characters inclusive, and must contain only the characters [a-zA-Z0-9].
If not set, **Unnamed** will be used. Relays can always be uniquely identified
by their identity fingerprints.
[[NumCPUs]] **NumCPUs** __num__::
How many processes to use at once for decrypting onionskins and other
parallelizable operations. If this is set to 0, Tor will try to detect
how many CPUs you have, defaulting to 1 if it can't tell. (Default: 0)
[[OfflineMasterKey]] **OfflineMasterKey** **0**|**1**::
If non-zero, the Tor relay will never generate or load its master secret
key. Instead, you'll have to use "tor --keygen" to manage the permanent
ed25519 master identity key, as well as the corresponding temporary
signing keys and certificates. (Default: 0)
[[ORPort]] **ORPort** ['address'**:**]{empty}__PORT__|**auto** [_flags_]::
Advertise this port to listen for connections from Tor clients and
servers. This option is required to be a Tor server.
Set it to "auto" to have Tor pick a port for you. Set it to 0 to not
run an ORPort at all. This option can occur more than once. (Default: 0) +
+
Tor recognizes these flags on each ORPort:
**NoAdvertise**;;
By default, we bind to a port and tell our users about it. If
NoAdvertise is specified, we don't advertise, but listen anyway. This
can be useful if the port everybody will be connecting to (for
example, one that's opened on our firewall) is somewhere else.
**NoListen**;;
By default, we bind to a port and tell our users about it. If
NoListen is specified, we don't bind, but advertise anyway. This
can be useful if something else (for example, a firewall's port
forwarding configuration) is causing connections to reach us.
**IPv4Only**;;
If the address is absent, or resolves to both an IPv4 and an IPv6
address, only listen to the IPv4 address.
**IPv6Only**;;
If the address is absent, or resolves to both an IPv4 and an IPv6
address, only listen to the IPv6 address.
// Anchor only for formatting, not visible in the man page.
[[ORPortFlagsExclusive]]::
For obvious reasons, NoAdvertise and NoListen are mutually exclusive, and
IPv4Only and IPv6Only are mutually exclusive.
[[PublishServerDescriptor]] **PublishServerDescriptor** **0**|**1**|**v3**|**bridge**,**...**::
This option specifies which descriptors Tor will publish when acting as
a relay. You can
choose multiple arguments, separated by commas. +
+
If this option is set to 0, Tor will not publish its
descriptors to any directories. (This is useful if you're testing
out your server, or if you're using a Tor controller that handles
directory publishing for you.) Otherwise, Tor will publish its
descriptors of all type(s) specified. The default is "1", which
means "if running as a relay or bridge, publish descriptors to the
appropriate authorities". Other possibilities are "v3", meaning
"publish as if you're a relay", and "bridge", meaning "publish as
if you're a bridge".
[[ReducedExitPolicy]] **ReducedExitPolicy** **0**|**1**::
If set, use a reduced exit policy rather than the default one. +
+
@ -2316,161 +2525,6 @@ is non-zero):
(Default: 0)
[[IPv6Exit]] **IPv6Exit** **0**|**1**::
If set, and we are an exit node, allow clients to use us for IPv6 traffic.
When this option is set and ExitRelay is auto, we act as if ExitRelay
is 1. (Default: 0)
[[MaxOnionQueueDelay]] **MaxOnionQueueDelay** __NUM__ [**msec**|**second**]::
If we have more onionskins queued for processing than we can process in
this amount of time, reject new ones. (Default: 1750 msec)
[[MyFamily]] **MyFamily** __fingerprint__,__fingerprint__,...::
Declare that this Tor relay is controlled or administered by a group or
organization identical or similar to that of the other relays, defined by
their (possibly $-prefixed) identity fingerprints.
This option can be repeated many times, for
convenience in defining large families: all fingerprints in all MyFamily
lines are merged into one list.
When two relays both declare that they are in the
same \'family', Tor clients will not use them in the same circuit. (Each
relay only needs to list the other servers in its family; it doesn't need to
list itself, but it won't hurt if it does.) Do not list any bridge relay as it would
compromise its concealment. +
+
When listing a node, it's better to list it by fingerprint than by
nickname: fingerprints are more reliable. +
+
If you run more than one relay, the MyFamily option on each relay
**must** list all other relays, as described above. +
+
Note: do not use MyFamily when configuring your Tor instance as a
brigde.
[[Nickname]] **Nickname** __name__::
Set the server's nickname to \'name'. Nicknames must be between 1 and 19
characters inclusive, and must contain only the characters [a-zA-Z0-9].
If not set, **Unnamed** will be used. Relays can always be uniquely identified
by their identity fingerprints.
[[NumCPUs]] **NumCPUs** __num__::
How many processes to use at once for decrypting onionskins and other
parallelizable operations. If this is set to 0, Tor will try to detect
how many CPUs you have, defaulting to 1 if it can't tell. (Default: 0)
[[ORPort]] **ORPort** ['address'**:**]{empty}__PORT__|**auto** [_flags_]::
Advertise this port to listen for connections from Tor clients and
servers. This option is required to be a Tor server.
Set it to "auto" to have Tor pick a port for you. Set it to 0 to not
run an ORPort at all. This option can occur more than once. (Default: 0) +
+
Tor recognizes these flags on each ORPort:
**NoAdvertise**;;
By default, we bind to a port and tell our users about it. If
NoAdvertise is specified, we don't advertise, but listen anyway. This
can be useful if the port everybody will be connecting to (for
example, one that's opened on our firewall) is somewhere else.
**NoListen**;;
By default, we bind to a port and tell our users about it. If
NoListen is specified, we don't bind, but advertise anyway. This
can be useful if something else (for example, a firewall's port
forwarding configuration) is causing connections to reach us.
**IPv4Only**;;
If the address is absent, or resolves to both an IPv4 and an IPv6
address, only listen to the IPv4 address.
**IPv6Only**;;
If the address is absent, or resolves to both an IPv4 and an IPv6
address, only listen to the IPv6 address.
// Anchor only for formatting, not visible in the man page.
[[ORPortFlagsExclusive]]::
For obvious reasons, NoAdvertise and NoListen are mutually exclusive, and
IPv4Only and IPv6Only are mutually exclusive.
[[PublishServerDescriptor]] **PublishServerDescriptor** **0**|**1**|**v3**|**bridge**,**...**::
This option specifies which descriptors Tor will publish when acting as
a relay. You can
choose multiple arguments, separated by commas. +
+
If this option is set to 0, Tor will not publish its
descriptors to any directories. (This is useful if you're testing
out your server, or if you're using a Tor controller that handles
directory publishing for you.) Otherwise, Tor will publish its
descriptors of all type(s) specified. The default is "1", which
means "if running as a relay or bridge, publish descriptors to the
appropriate authorities". Other possibilities are "v3", meaning
"publish as if you're a relay", and "bridge", meaning "publish as
if you're a bridge".
[[ShutdownWaitLength]] **ShutdownWaitLength** __NUM__::
When we get a SIGINT and we're a server, we begin shutting down:
we close listeners and start refusing new circuits. After **NUM**
seconds, we exit. If we get a second SIGINT, we exit immediately.
(Default: 30 seconds)
[[SSLKeyLifetime]] **SSLKeyLifetime** __N__ **minutes**|**hours**|**days**|**weeks**::
When creating a link certificate for our outermost SSL handshake,
set its lifetime to this amount of time. If set to 0, Tor will choose
some reasonable random defaults. (Default: 0)
[[HeartbeatPeriod]] **HeartbeatPeriod** __N__ **minutes**|**hours**|**days**|**weeks**::
Log a heartbeat message every **HeartbeatPeriod** seconds. This is
a log level __notice__ message, designed to let you know your Tor
server is still alive and doing useful things. Settings this
to 0 will disable the heartbeat. Otherwise, it must be at least 30
minutes. (Default: 6 hours)
[[MainloopStats]] **MainloopStats** **0**|**1**::
Log main loop statistics every **HeartbeatPeriod** seconds. This is a log
level __notice__ message designed to help developers instrumenting Tor's
main event loop. (Default: 0)
[[AccountingMax]] **AccountingMax** __N__ **bytes**|**KBytes**|**MBytes**|**GBytes**|**TBytes**|**KBits**|**MBits**|**GBits**|**TBits**::
Limits the max number of bytes sent and received within a set time period
using a given calculation rule (see: AccountingStart, AccountingRule).
Useful if you need to stay under a specific bandwidth. By default, the
number used for calculation is the max of either the bytes sent or
received. For example, with AccountingMax set to 1 TByte, a server
could send 900 GBytes and receive 800 GBytes and continue running.
It will only hibernate once one of the two reaches 1 TByte. This can
be changed to use the sum of the both bytes received and sent by setting
the AccountingRule option to "sum" (total bandwidth in/out). When the
number of bytes remaining gets low, Tor will stop accepting new connections
and circuits. When the number of bytes is exhausted, Tor will hibernate
until some time in the next accounting period. To prevent all servers
from waking at the same time, Tor will also wait until a random point
in each period before waking up. If you have bandwidth cost issues,
enabling hibernation is preferable to setting a low bandwidth, since
it provides users with a collection of fast servers that are up some
of the time, which is more useful than a set of slow servers that are
always "available". +
+
Note that (as also described in the Bandwidth section) Tor uses
powers of two, not powers of ten: 1 GByte is 1024*1024*1024, not
one billion. Be careful: some internet service providers might count
GBytes differently.
[[AccountingRule]] **AccountingRule** **sum**|**max**|**in**|**out**::
How we determine when our AccountingMax has been reached (when we
should hibernate) during a time interval. Set to "max" to calculate
using the higher of either the sent or received bytes (this is the
default functionality). Set to "sum" to calculate using the sent
plus received bytes. Set to "in" to calculate using only the
received bytes. Set to "out" to calculate using only the sent bytes.
(Default: max)
[[AccountingStart]] **AccountingStart** **day**|**week**|**month** [__day__] __HH:MM__::
Specify how long accounting periods last. If **month** is given,
each accounting period runs from the time __HH:MM__ on the __dayth__ day of one
month to the same day and time of the next. The relay will go at full speed,
use all the quota you specify, then hibernate for the rest of the period. (The
day must be between 1 and 28.) If **week** is given, each accounting period
runs from the time __HH:MM__ of the __dayth__ day of one week to the same day
and time of the next week, with Monday as day 1 and Sunday as day 7. If **day**
is given, each accounting period runs from the time __HH:MM__ each day to the
same time on the next day. All times are local, and given in 24-hour time.
(Default: "month 1 0:00")
[[RefuseUnknownExits]] **RefuseUnknownExits** **0**|**1**|**auto**::
Prevent nodes that don't appear in the consensus from exiting using this
relay. If the option is 1, we always block exit attempts from such
@ -2478,41 +2532,12 @@ is non-zero):
whatever the authorities suggest in the consensus (and block if the consensus
is quiet on the issue). (Default: auto)
[[ServerDNSResolvConfFile]] **ServerDNSResolvConfFile** __filename__::
Overrides the default DNS configuration with the configuration in
__filename__. The file format is the same as the standard Unix
"**resolv.conf**" file (7). This option, like all other ServerDNS options,
only affects name lookups that your server does on behalf of clients.
(Defaults to use the system DNS configuration or a localhost DNS service
in case no nameservers are found in a given configuration.)
[[ServerDNSAllowBrokenConfig]] **ServerDNSAllowBrokenConfig** **0**|**1**::
If this option is false, Tor exits immediately if there are problems
parsing the system DNS configuration or connecting to nameservers.
Otherwise, Tor continues to periodically retry the system nameservers until
it eventually succeeds. (Default: 1)
[[ServerDNSSearchDomains]] **ServerDNSSearchDomains** **0**|**1**::
If set to 1, then we will search for addresses in the local search domain.
For example, if this system is configured to believe it is in
"example.com", and a client tries to connect to "www", the client will be
connected to "www.example.com". This option only affects name lookups that
your server does on behalf of clients. (Default: 0)
[[ServerDNSDetectHijacking]] **ServerDNSDetectHijacking** **0**|**1**::
When this option is set to 1, we will test periodically to determine
whether our local nameservers have been configured to hijack failing DNS
requests (usually to an advertising site). If they are, we will attempt to
correct this. This option only affects name lookups that your server does
on behalf of clients. (Default: 1)
[[ServerDNSTestAddresses]] **ServerDNSTestAddresses** __hostname__,__hostname__,__...__::
When we're detecting DNS hijacking, make sure that these __valid__ addresses
aren't getting redirected. If they are, then our DNS is completely useless,
and we'll reset our exit policy to "reject \*:*". This option only affects
name lookups that your server does on behalf of clients. (Default:
"www.google.com, www.mit.edu, www.yahoo.com, www.slashdot.org")
[[ServerDNSAllowNonRFC953Hostnames]] **ServerDNSAllowNonRFC953Hostnames** **0**|**1**::
When this option is disabled, Tor does not try to resolve hostnames
containing illegal characters (like @ and :) rather than sending them to an
@ -2520,12 +2545,12 @@ is non-zero):
URLs and so on. This option only affects name lookups that your server does
on behalf of clients. (Default: 0)
[[BridgeRecordUsageByCountry]] **BridgeRecordUsageByCountry** **0**|**1**::
When this option is enabled and BridgeRelay is also enabled, and we have
GeoIP data, Tor keeps a per-country count of how many client
addresses have contacted it so that it can help the bridge authority guess
which countries have blocked access to it. If ExtraInfoStatistics is
enabled, it will be published as part of extra-info document. (Default: 1)
[[ServerDNSDetectHijacking]] **ServerDNSDetectHijacking** **0**|**1**::
When this option is set to 1, we will test periodically to determine
whether our local nameservers have been configured to hijack failing DNS
requests (usually to an advertising site). If they are, we will attempt to
correct this. This option only affects name lookups that your server does
on behalf of clients. (Default: 1)
[[ServerDNSRandomizeCase]] **ServerDNSRandomizeCase** **0**|**1**::
When this option is set, Tor sets the case of each character randomly in
@ -2535,11 +2560,54 @@ is non-zero):
0x20-Bit Encoding". This option only affects name lookups that your server
does on behalf of clients. (Default: 1)
[[GeoIPFile]] **GeoIPFile** __filename__::
A filename containing IPv4 GeoIP data, for use with by-country statistics.
[[ServerDNSResolvConfFile]] **ServerDNSResolvConfFile** __filename__::
Overrides the default DNS configuration with the configuration in
__filename__. The file format is the same as the standard Unix
"**resolv.conf**" file (7). This option, like all other ServerDNS options,
only affects name lookups that your server does on behalf of clients.
(Defaults to use the system DNS configuration or a localhost DNS service
in case no nameservers are found in a given configuration.)
[[GeoIPv6File]] **GeoIPv6File** __filename__::
A filename containing IPv6 GeoIP data, for use with by-country statistics.
[[ServerDNSSearchDomains]] **ServerDNSSearchDomains** **0**|**1**::
If set to 1, then we will search for addresses in the local search domain.
For example, if this system is configured to believe it is in
"example.com", and a client tries to connect to "www", the client will be
connected to "www.example.com". This option only affects name lookups that
your server does on behalf of clients. (Default: 0)
[[ServerDNSTestAddresses]] **ServerDNSTestAddresses** __hostname__,__hostname__,__...__::
When we're detecting DNS hijacking, make sure that these __valid__ addresses
aren't getting redirected. If they are, then our DNS is completely useless,
and we'll reset our exit policy to "reject \*:*". This option only affects
name lookups that your server does on behalf of clients. (Default:
"www.google.com, www.mit.edu, www.yahoo.com, www.slashdot.org")
[[ShutdownWaitLength]] **ShutdownWaitLength** __NUM__::
When we get a SIGINT and we're a server, we begin shutting down:
we close listeners and start refusing new circuits. After **NUM**
seconds, we exit. If we get a second SIGINT, we exit immediately.
(Default: 30 seconds)
[[SigningKeyLifetime]] **SigningKeyLifetime** __N__ **days**|**weeks**|**months**::
For how long should each Ed25519 signing key be valid? Tor uses a
permanent master identity key that can be kept offline, and periodically
generates new "signing" keys that it uses online. This option
configures their lifetime.
(Default: 30 days)
[[SSLKeyLifetime]] **SSLKeyLifetime** __N__ **minutes**|**hours**|**days**|**weeks**::
When creating a link certificate for our outermost SSL handshake,
set its lifetime to this amount of time. If set to 0, Tor will choose
some reasonable random defaults. (Default: 0)
== STATISTICS OPTIONS
// These options are in alphabetical order, with exceptions as noted.
// Please keep them that way!
Relays publish most statistics in a document called the
extra-info document. The following options affect the different
types of statistics that Tor relays collect and publish:
[[CellStatistics]] **CellStatistics** **0**|**1**::
Relays only.
@ -2551,14 +2619,14 @@ is non-zero):
If ExtraInfoStatistics is enabled, it will published as part of
extra-info document. (Default: 0)
[[PaddingStatistics]] **PaddingStatistics** **0**|**1**::
Relays and bridges only.
When this option is enabled, Tor collects statistics for padding cells
sent and received by this relay, in addition to total cell counts.
These statistics are rounded, and omitted if traffic is low. This
information is important for load balancing decisions related to padding.
If ExtraInfoStatistics is enabled, it will be published
as a part of extra-info document. (Default: 1)
[[ConnDirectionStatistics]] **ConnDirectionStatistics** **0**|**1**::
Relays only.
When this option is enabled, Tor writes statistics on the amounts of
traffic it passes between itself and other relays to disk every 24
hours. Enables relay operators to monitor how much their relay is
being used as middle node in the circuit. If ExtraInfoStatistics is
enabled, it will be published as part of extra-info document.
(Default: 0)
[[DirReqStatistics]] **DirReqStatistics** **0**|**1**::
Relays and bridges only.
@ -2587,23 +2655,6 @@ is non-zero):
is enabled, it will be published as part of extra-info document.
(Default: 0)
[[ConnDirectionStatistics]] **ConnDirectionStatistics** **0**|**1**::
Relays only.
When this option is enabled, Tor writes statistics on the amounts of
traffic it passes between itself and other relays to disk every 24
hours. Enables relay operators to monitor how much their relay is
being used as middle node in the circuit. If ExtraInfoStatistics is
enabled, it will be published as part of extra-info document.
(Default: 0)
[[HiddenServiceStatistics]] **HiddenServiceStatistics** **0**|**1**::
Relays only.
When this option is enabled, a Tor relay writes obfuscated
statistics on its role as hidden-service directory, introduction
point, or rendezvous point to disk every 24 hours. If
ExtraInfoStatistics is also enabled, these statistics are further
published to the directory authorities. (Default: 1)
[[ExtraInfoStatistics]] **ExtraInfoStatistics** **0**|**1**::
When this option is enabled, Tor includes previously gathered statistics in
its extra-info documents that it uploads to the directory authorities.
@ -2613,61 +2664,22 @@ is non-zero):
because they are required by BridgeDB.
(Default: 1)
[[ExtendAllowPrivateAddresses]] **ExtendAllowPrivateAddresses** **0**|**1**::
When this option is enabled, Tor will connect to relays on localhost,
RFC1918 addresses, and so on. In particular, Tor will make direct OR
connections, and Tor routers allow EXTEND requests, to these private
addresses. (Tor will always allow connections to bridges, proxies, and
pluggable transports configured on private addresses.) Enabling this
option can create security issues; you should probably leave it off.
(Default: 0)
[[MaxMemInQueues]] **MaxMemInQueues** __N__ **bytes**|**KBytes**|**MBytes**|**GBytes**::
This option configures a threshold above which Tor will assume that it
needs to stop queueing or buffering data because it's about to run out of
memory. If it hits this threshold, it will begin killing circuits until
it has recovered at least 10% of this memory. Do not set this option too
low, or your relay may be unreliable under load. This option only
affects some queues, so the actual process size will be larger than
this. If this option is set to 0, Tor will try to pick a reasonable
default based on your system's physical memory. (Default: 0)
[[DisableOOSCheck]] **DisableOOSCheck** **0**|**1**::
This option disables the code that closes connections when Tor notices
that it is running low on sockets. Right now, it is on by default,
since the existing out-of-sockets mechanism tends to kill OR connections
more than it should. (Default: 1)
[[SigningKeyLifetime]] **SigningKeyLifetime** __N__ **days**|**weeks**|**months**::
For how long should each Ed25519 signing key be valid? Tor uses a
permanent master identity key that can be kept offline, and periodically
generates new "signing" keys that it uses online. This option
configures their lifetime.
(Default: 30 days)
[[OfflineMasterKey]] **OfflineMasterKey** **0**|**1**::
If non-zero, the Tor relay will never generate or load its master secret
key. Instead, you'll have to use "tor --keygen" to manage the permanent
ed25519 master identity key, as well as the corresponding temporary
signing keys and certificates. (Default: 0)
[[KeyDirectory]] **KeyDirectory** __DIR__::
Store secret keys in DIR. Can not be changed while tor is
running.
(Default: the "keys" subdirectory of DataDirectory.)
[[KeyDirectoryGroupReadable]] **KeyDirectoryGroupReadable** **0**|**1**|**auto**::
If this option is set to 0, don't allow the filesystem group to read the
KeyDirectory. If the option is set to 1, make the KeyDirectory readable
by the default GID. If the option is "auto", then we use the
setting for DataDirectoryGroupReadable when the KeyDirectory is the
same as the DataDirectory, and 0 otherwise. (Default: auto)
[[RephistTrackTime]] **RephistTrackTime** __N__ **seconds**|**minutes**|**hours**|**days**|**weeks**::
Tells an authority, or other node tracking node reliability and history,
that fine-grained information about nodes can be discarded when it hasn't
changed for a given amount of time. (Default: 24 hours)
[[HiddenServiceStatistics]] **HiddenServiceStatistics** **0**|**1**::
Relays only.
When this option is enabled, a Tor relay writes obfuscated
statistics on its role as hidden-service directory, introduction
point, or rendezvous point to disk every 24 hours. If
ExtraInfoStatistics is also enabled, these statistics are further
published to the directory authorities. (Default: 1)
[[PaddingStatistics]] **PaddingStatistics** **0**|**1**::
Relays and bridges only.
When this option is enabled, Tor collects statistics for padding cells
sent and received by this relay, in addition to total cell counts.
These statistics are rounded, and omitted if traffic is low. This
information is important for load balancing decisions related to padding.
If ExtraInfoStatistics is enabled, it will be published
as a part of extra-info document. (Default: 1)
== DIRECTORY SERVER OPTIONS
@ -2675,11 +2687,19 @@ The following options are useful only for directory servers. (Relays with
enough bandwidth automatically become directory servers; see DirCache for
details.)
[[DirPortFrontPage]] **DirPortFrontPage** __FILENAME__::
When this option is set, it takes an HTML file and publishes it as "/" on
the DirPort. Now relay operators can provide a disclaimer without needing
to set up a separate webserver. There's a sample disclaimer in
contrib/operator-tools/tor-exit-notice.html.
[[DirCache]] **DirCache** **0**|**1**::
When this option is set, Tor caches all current directory documents except
extra info documents, and accepts client requests for them. If
**DownloadExtraInfo** is set, cached extra info documents are also cached.
Setting **DirPort** is not required for **DirCache**, because clients
connect via the ORPort by default. Setting either DirPort or BridgeRelay
and setting DirCache to 0 is not supported. (Default: 1)
[[DirPolicy]] **DirPolicy** __policy__,__policy__,__...__::
Set an entrance policy for this server, to limit who can connect to the
directory ports. The policies have the same form as exit policies above,
except that port specifiers are ignored. Any address not matched by
some entry in the policy is accepted.
[[DirPort]] **DirPort** ['address'**:**]{empty}__PORT__|**auto** [_flags_]::
If this option is nonzero, advertise the directory service on this port.
@ -2689,19 +2709,11 @@ details.)
+
The same flags are supported here as are supported by ORPort.
[[DirPolicy]] **DirPolicy** __policy__,__policy__,__...__::
Set an entrance policy for this server, to limit who can connect to the
directory ports. The policies have the same form as exit policies above,
except that port specifiers are ignored. Any address not matched by
some entry in the policy is accepted.
[[DirCache]] **DirCache** **0**|**1**::
When this option is set, Tor caches all current directory documents except
extra info documents, and accepts client requests for them. If
**DownloadExtraInfo** is set, cached extra info documents are also cached.
Setting **DirPort** is not required for **DirCache**, because clients
connect via the ORPort by default. Setting either DirPort or BridgeRelay
and setting DirCache to 0 is not supported. (Default: 1)
[[DirPortFrontPage]] **DirPortFrontPage** __FILENAME__::
When this option is set, it takes an HTML file and publishes it as "/" on
the DirPort. Now relay operators can provide a disclaimer without needing
to set up a separate webserver. There's a sample disclaimer in
contrib/operator-tools/tor-exit-notice.html.
[[MaxConsensusAgeForDiffs]] **MaxConsensusAgeForDiffs** __N__ **minutes**|**hours**|**days**|**weeks**::
When this option is nonzero, Tor caches will not try to generate

6
src/feature/dirauth/process_descs.h
View File

@ -15,7 +15,7 @@
// for was_router_added_t.
#include "feature/nodelist/routerlist.h"
#include "src/lib/crypt_ops/crypto_ed25519.h"
#include "lib/crypt_ops/crypto_ed25519.h"
struct authdir_config_t;
@ -47,7 +47,7 @@ typedef struct authdir_config_t {
#define RTR_BADEXIT 16 /**< We'll tell clients not to use this as an exit. */
/* 32 Historically used to indicade Unnamed */
#endif /* defined(TOR_UNIT_TESTS) */
#endif /* defined(PROCESS_DESCS_PRIVATE) || defined(TOR_UNIT_TESTS) */
#ifdef TOR_UNIT_TESTS
@ -55,7 +55,7 @@ void authdir_init_fingerprint_list(void);
authdir_config_t *authdir_return_fingerprint_list(void);
#endif /* defined(PROCESS_DESCS_PRIVATE) || defined(TOR_UNIT_TESTS) */
#endif /* defined(TOR_UNIT_TESTS) */
void dirserv_free_fingerprint_list(void);

4
src/feature/dircache/dirserv.h
View File

@ -93,7 +93,7 @@ void dirserv_set_cached_consensus_networkstatus(const char *consensus,
const common_digests_t *digests,
const uint8_t *sha3_as_signed,
time_t published);
#else
#else /* !defined(HAVE_MODULE_DIRCACHE) */
#define have_module_dircache() (0)
#define directory_caches_unknown_auth_certs(opt) \
((void)(opt), 0)
@ -112,7 +112,7 @@ void dirserv_set_cached_consensus_networkstatus(const char *consensus,
(void)(e); \
(void)(f); \
} STMT_END
#endif
#endif /* defined(HAVE_MODULE_DIRCACHE) */
void dirserv_clear_old_networkstatuses(time_t cutoff);
int dirserv_get_routerdesc_spool(smartlist_t *spools_out, const char *key,

2
src/feature/nodelist/networkstatus.c
View File

@ -102,7 +102,7 @@
#include "feature/nodelist/routerlist_st.h"
#include "feature/dirauth/vote_microdesc_hash_st.h"
#include "feature/nodelist/vote_routerstatus_st.h"
#include "routerstatus_st.h"
#include "feature/nodelist/routerstatus_st.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>

2
src/lib/cc/compat_compiler.h
View File

@ -238,6 +238,6 @@
#define POSSIBLE(expr) ((expr) || getenv("STATIC_ANALYZER_DEADCODE_DUMMY_"))
#else
#define POSSIBLE(expr) (expr)
#endif
#endif /* defined(__COVERITY__) || defined(__clang_analyzer__) */
#endif /* !defined(TOR_COMPAT_COMPILER_H) */

4
src/test/test_util.c
View File

@ -1947,7 +1947,7 @@ test_util_expand_filename(void *arg)
done:
tor_free(str);
}
#endif /* !defined(_WIN32) */
#endif /* !defined(DISABLE_PWDB_TESTS) */
/** Test tor_escape_str_for_pt_args(). */
static void
@ -5763,7 +5763,7 @@ test_util_pwdb(void *arg)
tor_free(dir);
teardown_capture_of_logs();
}
#endif /* !(defined(_WIN32) || defined (__ANDROID__)) */
#endif /* !defined(DISABLE_PWDB_TESTS) */
static void
test_util_calloc_check(void *arg)