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<a href="../index.html">Previous Page</a></br></br><p><img src="../../assets/img/user.png" width="50px" height="50px"> <ba>nihilist@mainpc - 2024-08-05</ba></p>
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<h1>XMPP Server Setup Setup </h1>
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<p>In this tutorial, we're going to check out how to setup a XMPP chat server, that is accessible over Tor, as a hidden service, using Prosody and Pidgin.</p>
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<div class="col-lg-8 col-lg-offset-2">
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<h2><b>XMPP Server Setup </b></h2>
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<p>Before starting, check out <a href="../torwebsite/index.html">this</a> tutorial on how to create your first hidden service.</p>
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<pre><code class="nim">
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root@ANON-home:~# apt install prosody prosody-modules lua-unbound -y
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root@ANON-home:~# prosodyctl about
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/var/lib/prosody/custom_plugins - not a directory!
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/usr/local/lib/prosody/modules - not a directory!
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/var/lib/prosody/custom_plugins/share/lua/5.4/?.lua
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/var/lib/prosody/custom_plugins/share/lua/5.4/?/init.lua
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root@ANON-home:~# mkdir /var/lib/prosody/custom_plugins
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root@ANON-home:~# mkdir /usr/local/lib/prosody/modules -p
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</code></pre>
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<p>Then, we make sure that the tor hidden service includes the XMPP ports:</p>
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<pre><code class="nim">
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root@ANON-home:# vim /etc/tor/torrc
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root@ANON-home:# cat /etc/tor/torrc
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HiddenServiceDir /var/lib/tor/onions/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion/
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[...]
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HiddenServicePort 5222 127.0.0.1:5222
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HiddenServicePort 5269 127.0.0.1:5269
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HiddenServicePort 5280 127.0.0.1:5280
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HiddenServicePort 5281 127.0.0.1:5281
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root@ANON-home:# systemctl restart tor@default
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</code></pre>
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<p>Here, my hidden service is aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion, let's check that the mod_onions module is installed and configure the prosody.cfg.lua file:</p>
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<pre><code class="nim">
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root@ANON-home:~# ls /usr/lib/prosody/modules/mod_onions
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mod_onions.lua
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root@ANON-home:~# vim /etc/prosody/prosody.cfg.lua
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root@ANON-home:~# cat /etc/prosody/prosody.cfg.lua
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[...]
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VirtualHost "localhost"
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-- Prosody requires at least one enabled VirtualHost to function. You can
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-- safely remove or disable 'localhost' once you have added another.
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VirtualHost "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion"
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modules_enabled = {"onions"};
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onions_only = true;
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disco_items = {
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{"conference.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion","Public Chatroom"},
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{"upload.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion","Public Chatroom"}
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}
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Component "conference.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion" "muc"
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modules_enabled = { "onions" };
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onions_only = true;
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Component "upload.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion" "http_file_share"
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modules_enabled = { "onions" };
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onions_only = true;
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[...]
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</code></pre>
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<p></p>
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<pre><code class="nim">
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root@ANON-home:~# prosodyctl cert generate aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion
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Choose key size (2048):
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<b>Key written to /var/lib/prosody/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion.key</b>
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Please provide details to include in the certificate config file.
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Leave the field empty to use the default value or '.' to exclude the field.
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countryName (GB):
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localityName (The Internet):
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organizationName (Your Organisation):
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organizationalUnitName (XMPP Department):
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commonName (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion):
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emailAddress (xmpp@aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion):
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<b>Config written to /var/lib/prosody/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion.cnf
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Certificate written to /var/lib/prosody/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion.crt</b>
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root@ANON-home:~# prosodyctl check
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[...]
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Checking certificates...
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Checking certificate for conference.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion
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certmanager info No certificate present in SSL/TLS configuration for conference.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion. SNI will be required.
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No 'certificate' found for conference.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion
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Checking certificate for localhost
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certmanager info No certificate present in SSL/TLS configuration for localhost. SNI will be required.
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No 'certificate' found for localhost
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Checking certificate for upload.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion
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certmanager info No certificate present in SSL/TLS configuration for upload.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion. SNI will be required.
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No 'certificate' found for upload.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion
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Checking certificate for aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion
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certmanager info No certificate present in SSL/TLS configuration for aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion. SNI will be required.
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No 'certificate' found for aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion
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For more information about certificates please see https://prosody.im/doc/certificates
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Problems found, see above.
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root@ANON-home:# mv /var/lib/prosody/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion.* /etc/prosody/certs/
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</code></pre>
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<p></p>
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<pre><code class="nim">
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root@ANON-home:/etc/prosody/certs# prosodyctl adduser nihilist@aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion
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Enter new password:
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Retype new password:
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#if you want to create users in batch:
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root@ANON-home:/etc/prosody/certs# prosodyctl adduser testuser aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion p4ssw0rd
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root@ANON-home:/etc/prosody/certs# systemctl restart prosody
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root@ANON-home:/etc/prosody/certs# systemctl status prosody
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● prosody.service - Prosody XMPP Server
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Loaded: loaded (/lib/systemd/system/prosody.service; enabled; preset: enabled)
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Active: active (running) since Mon 2024-08-05 22:02:47 CEST; 4s ago
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Docs: https://prosody.im/doc
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Main PID: 3419 (lua5.4)
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Tasks: 1 (limit: 4653)
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Memory: 7.8M
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CPU: 139ms
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CGroup: /system.slice/prosody.service
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└─3419 lua5.4 /usr/bin/prosody -F
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Aug 05 22:02:47 ANON-home systemd[1]: Started prosody.service - Prosody XMPP Server.
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</code></pre>
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<p>all good now, now let's connect to it using pidgin:</p>
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<pre><code class="nim">
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[ mainpc ] [ /dev/pts/9 ] [~/Nextcloud/blog]
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→ apt install pidgin -y
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[ mainpc ] [ /dev/pts/9 ] [~/Nextcloud/blog]
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→ pidgin
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</code></pre>
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<p>Then, create your account on the XMPP server:</p>
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<img src="1.png" class="imgRz">
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<img src="2.png" class="imgRz">
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<img src="3.png" class="imgRz">
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<img src="4.png" class="imgRz">
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<img src="6.png" class="imgRz">
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<img src="5.png" class="imgRz">
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<p>Next, we can start chatting with Alice, who is another user on that XMPP server like so:</p>
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<img src="7.png" class="imgRz">
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<p>Then from Alice's XMPP client, we accept nihilist's buddy request:</p>
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<img src="8.png" class="imgRz">
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<img src="9.png" class="imgRz">
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<img src="10.png" class="imgRz">
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<img src="11.png" class="imgRz">
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<p></p>
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</div>
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</div><!-- /row -->
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</div> <!-- /container -->
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<div id="anon2">
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<div class="container">
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<div class="row">
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<div class="col-lg-8 col-lg-offset-2">
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<h2><b>Optional XMPP server options:</b></h2> </br> </br>
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<p>if you want to enable message archiving, enable the "mam" module by uncommenting it:</p>
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<pre><code class="nim">
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root@ANON-home:~# vim /etc/prosody/prosody.cfg.lua
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root@ANON-home:~# cat /etc/prosody/prosody.cfg.lua
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[...]
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modules_enabled = {
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"mam"; -- Store recent messages to allow multi-device synchronization
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}
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[...]
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</code></pre>
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<p>and then you can mention the expiration time of messages like so:</p>
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<pre><code class="nim">
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root@ANON-home:~# vim /etc/prosody/prosody.cfg.lua
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root@ANON-home:~# cat /etc/prosody/prosody.cfg.lua
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archive_expires_after = "1w" -- remove archived messages after 1 week
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</code></pre>
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<p>you can choose to limit the bandwidth usage of your server too, using the mod_limits module:</p>
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<pre><code class="nim">
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root@ANON-home:~# vim /etc/prosody/prosody.cfg.lua
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root@ANON-home:~# cat /etc/prosody/prosody.cfg.lua
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limits = {
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c2s = {
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rate = "10kb/s";
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}
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s2sin = {
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rate = "30kb/s";
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}
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}
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</code></pre>
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<p>You can also enable archiving on the multi-user chats like so :</p>
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<pre><code class="nim">
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root@ANON-home:~# vim /etc/prosody/prosody.cfg.lua
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root@ANON-home:~# cat /etc/prosody/prosody.cfg.lua
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Component "conference.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion" "muc"
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modules_enabled = { "onions", "muc_mam" };
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onions_only = true;
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</code></pre>
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<p>And just like in mod_mam, you can set the expiration time of the messages in MUCs:</p>
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<pre><code class="nim">
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root@ANON-home:~# vim /etc/prosody/prosody.cfg.lua
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root@ANON-home:~# cat /etc/prosody/prosody.cfg.lua
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Component "conference.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion" "muc"
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modules_enabled = { "onions", "muc_mam" };
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onions_only = true;
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muc_log_expires_after = "1w"
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</code></pre>
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<p>Then, you can also enable file archiving using mod_http_file_share:</p>
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<pre><code class="nim">
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root@ANON-home:~# vim /etc/prosody/prosody.cfg.lua
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root@ANON-home:~# cat /etc/prosody/prosody.cfg.lua
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Component "upload.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion" "http_file_share"
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modules_enabled = { "onions" };
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onions_only = true;
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http_file_share_daily_quota = 100*1024*1024; -- 100 MiB
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http_file_share_after = 7*86400; -- One week in seconds
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http_file_share_size_limit = 10*1024*1024 -- 10 Mib
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</code></pre>
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<p>Then, as you're going to have a multi user chat, you'll most likely need the mod_muc_moderation module:</p>
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<pre><code class="nim">
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root@ANON-home:~# vim /etc/prosody/prosody.cfg.lua
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root@ANON-home:~# cat /etc/prosody/prosody.cfg.lua
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Component "conference.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.onion" "muc"
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modules_enabled = { "onions", "muc_mam", "muc_moderation" };
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onions_only = true;
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muc_log_expires_after = "1w"
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</code></pre>
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<p>TODO: showcase a multi-user chat with 3 users</p>
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<p>TODO: showcase XMPP onion federation between server A <-> and B</p>
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Until there is Nothing left.
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<h4>About nihilist</h4>
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<p style="word-wrap: break-word;"><u>Donate XMR:</u> 8AUYjhQeG3D5aodJDtqG499N5jXXM71gYKD8LgSsFB9BUV1o7muLv3DXHoydRTK4SZaaUBq4EAUqpZHLrX2VZLH71Jrd9k8</p></br><p><u>Contact:</u> nihilist@contact.nowhere.moe (<a href="https://nowhere.moe/nihilist.pubkey">PGP</a>)</p>
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