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Require fallback directories to have the same address and port for 7 days

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7 days is a tradeoff between the expected time between major Tor releases,
which is 6 months, and the number of relays with enough stability.

Relays whose OnionOO stability timer is reset on restart by bug #18050
should upgrade to Tor 0.2.8.7 or later, which has a fix for this issue.

Closes ticket #20880; maintains short-term fix in e220214 in tor-0.2.8.2-alpha.
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teor 2016-12-07 16:03:32 +11:00
parent 9629a25d10
commit 396bddaa4c
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2 changed files with 12 additions and 8 deletions
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9
changes/fallbacks-201612
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@ -5,10 +5,11 @@
updateFallbackDirs.py.
Closes ticket 20878.
- Require fallback directories to have the same address and port for
6 months. (We expect to regenerate the fallback list each major Tor
release.) Relays whose OnionOO stability timer is reset on restart by
bug 18050 should upgrade to Tor 0.2.8.7 or later, which has a fix for
this issue.
4 months. (4 months is a tradeoff between the expected time between
major Tor releases, which is 6 months, and the number of relays with
enough stability.) Relays whose OnionOO stability timer is reset on
restart by bug 18050 should upgrade to Tor 0.2.8.7 or later, which has
a fix for this issue.
Closes ticket 20880; removes short-term fix in e220214 in
tor-0.2.8.2-alpha.
- Make it easier to change the output sort order of fallbacks.

11
scripts/maint/updateFallbackDirs.py
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@ -137,10 +137,13 @@ MAX_LIST_FILE_SIZE = 1024 * 1024
## Eligibility Settings
# Reduced due to a bug in tor where a relay submits a 0 DirPort when restarted
# This causes OnionOO to (correctly) reset its stability timer
# This issue will be fixed in 0.2.7.7 and 0.2.8.2
# Until then, the CUTOFFs below ensure a decent level of stability.
# Require fallbacks to have the same address and port for a set amount of time
#
# There was a bug in Tor 0.2.8.1-alpha and earlier where a relay temporarily
# submits a 0 DirPort when restarted.
# This causes OnionOO to (correctly) reset its stability timer.
# Affected relays should upgrade to Tor 0.2.8.7 or later, which has a fix
# for this issue.
ADDRESS_AND_PORT_STABLE_DAYS = 7
# What time-weighted-fraction of these flags must FallbackDirs
# Equal or Exceed?