2014-05-23 12:05:31 +02:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<!-- <meta http-equiv="refresh" content="60" /> -->
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<meta name="description" content="Instructions for identifying to services on various IRC networks." />
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<meta name="author" content="Mikaela Suomalainen" />
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<link rel="canonical" href="https://mkaysi.github.io/pages/external/identifying.html">
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2014-05-23 13:28:17 +02:00
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<title>How to identify to services automatically</title>
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2014-05-23 12:05:31 +02:00
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<link rel="stylesheet" type="text/css" href="../../css.css" />
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</head>
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<body>
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**NOTE: This might be heavily freenode-specific, but these things should
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work with other networks too, at least SASL and CertFP.**
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2014-05-23 12:36:52 +02:00
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I will document the four different methods to identify to services which I
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2014-05-23 12:57:31 +02:00
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use by myself. **I use all of these at the same time.**
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2014-05-23 12:36:52 +02:00
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## SASL
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There isn't much to say about SASL as it's easy to configure as long as
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your IRC client supports it. SASL identifies you before logging in, but it
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won't help you in case services are down. The easiest way to check does
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the network where you are support SASL is probably to whois or message or
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both to the SaslServ.
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```
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/whois SaslServ SaslServ
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/msg SaslServ help
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```
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If the network does support SASL, you should see something like this
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which freenode gives:
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```
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XX:XX:XX -- [SaslServ] (SaslServ@services.): SASL Authentication Agent
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XX:XX:XX -- [SaslServ] services. (Atheme IRC Services)
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XX:XX:XX -- [SaslServ] is a Network Service
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XX:XX:XX -- [saslserv] End of WHOIS
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XX:XX:XX -- SaslServ: This service exists to identify connecting clients to the network. It has no public interface.
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```
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There are different mechanisms for use with SASL. I personally use them in
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this order with ZNC: `PLAIN DH-AES DH-BLOWFISH and EXTERNAL`.
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This is what ZNC 1.5-git-3b01efc says about them:
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```
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XX:XX:XX < *sasl> +-------------+----------------------------------------------------+
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XX:XX:XX < *sasl> | Mechanism | Description |
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XX:XX:XX < *sasl> +-------------+----------------------------------------------------+
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XX:XX:XX < *sasl> | EXTERNAL | TLS certificate, for use with the *cert module |
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XX:XX:XX < *sasl> | DH-BLOWFISH | Secure negotiation using the DH-BLOWFISH mechanism |
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XX:XX:XX < *sasl> | DH-AES | More secure negotiation using the DH-AES mechanism |
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XX:XX:XX < *sasl> | PLAIN | Plain text negotiation |
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XX:XX:XX < *sasl> +-------------+----------------------------------------------------+
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```
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Some notes:
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* PLAIN is plain text as it says, so if you use it like I do, you should
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use SSL.
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* EXTERNAL is supposed to be used together with CertFP, but it doesn't
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work with most of networks.
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* It's not supported even by freenode.
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* I don't know any network that supports it.
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2014-05-23 12:57:31 +02:00
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* This won't help you if services go down.
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2014-05-23 12:36:52 +02:00
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## CertFP
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2014-05-23 13:26:30 +02:00
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CertFP identifies you using SSL certificate which you must generate and
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add to your NickServ account.
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You can use this command at IRC to check if the network supports certfp.
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```
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/msg NickServ help cert
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```
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I am not sure how this happens on Windows, so you might need to look for
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that information elsewhere unless someone decides to help me and tell
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how does it happen. I am going to tell about OpenSSL.
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### Generating the certificate
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Open terminal and run this command and replae YOURNICKNAMEHERE.pem with
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your nickname or something else which makes you know what it is
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(**DO NOT SET PASSWORD FOR IT OR YOUR CLIENT MIGHT NOT BE ABLE TO USE IT**):
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```
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openssl req -nodes -newkey rsa:4096 -keyout YOURNICKNAMEHERE.pem -x509 -days 365 -out YOURNICKNAMEHERE.pem
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```
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This gives us file `YOURNICKNAMEHERE.pem` which you must give to your IRC
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client. I am sorry, but that depends on your IRC client too, so I cannot
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say anything about it.
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### Telling NickServ about your key
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NickServ wants to know the fingerprint which you can get with the following
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command:
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```
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openssl x509 -sha1 -noout -fingerprint -in YOURNICKNAMEHERE.pem | sed -e 's/^.*=//;s/://g;y/ABCDEF/abcdef/'
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```
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which returns your fingerprint (**WHICH YOU MUST NOT SHARE WITH ANYONE**)
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```
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05dd01fedc1b821b796d0d785160f03e32f53fa8
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```
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Now you can tell to NickServ about it.
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```
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/msg NickServ CERT ADD 05dd01fedc1b821b796d0d785160f03e32f53fa8
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```
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(replace that with your own fingerprint!) And nickerv replies to you
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```
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14:13:39 -- NickServ: Added fingerprint 05dd01fedc1b821b796d0d785160f03e32f53fa8 to your fingerprint list.
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```
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### Testing
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Now when you connect to freenode and have configured your IRC client to
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use your new certificate, you should get identified automatically and
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you should see your certificate by whoising yourself and running cert list
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with NickServ.
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```
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/WHOIS YOURNICK YOURNICK
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/MSG NickServ CERT LIST
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```
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replies
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```
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<...>
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XX:XX:XX -- [YOURNICK] has client certificate fingerprint 05dd01fedc1b821b796d0d785160f03e32f53fa8
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<...>
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XX:XX:XX -- NickServ: Fingerprint list for YOURNICK:
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XX:XX:XX -- NickServ: - 05dd01fedc1b821b796d0d785160f03e32f53fa8$$
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XX:XX:XX -- NickServ: End of YOURNICK fingerprint list.
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```
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### Notes
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* You must recreate your certificate yearly.
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* This will identify you with immediately so you are still visible to
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/monitor.
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* This will identify you after services return unlike other methods if you
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happen to be on splitted server without services.
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* Supported networks which I am on:
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* freenode
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* oftc
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* piratenet
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2014-05-23 12:36:52 +02:00
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## Server password
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2014-05-23 12:57:31 +02:00
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This might not work with some networks, but this works with freenode.
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All IRC clients should support settng password which to use while
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connecting to server. Set it as `username:password` for freenode and you
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are automatically identified when you connect.
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Some notes:
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* This is only known to work with freenode.
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* You aren't identified immediately so as shown in the embedded gist,
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your real host is visible for people who have you on `/monitor`.
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* This won't help you if services go down.
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2014-05-23 12:36:52 +02:00
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## Automatic command
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2014-05-23 12:05:31 +02:00
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2014-05-23 12:57:31 +02:00
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This works with probably every client. They support setting commands that
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are automatically run as you connect and you can set the command
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```
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/msg NickServ identify username password
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```
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or whatever syntax the services on your network use.
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Some notes:
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* Your real host is still visible for /monitor ing people.
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* Your client might send that command too late to prevent you from getting
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to redirect channels for unidentified users and show your real host to
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everyone.
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* You might annoy people by joining twice and quitting once with "Changing
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host".
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2014-05-23 13:26:30 +02:00
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<hr/>
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2014-05-23 12:05:31 +02:00
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For corrections above this line, please contact [me at IRC](../irc.html) or fix them by
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yourself [here](https://github.com/Mkaysi/mkaysi.github.io/blob/master/pages/external/identifying.html.md). What is below that line is embedded GitHub
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gist which reads where to contact with issues with it.
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<hr/>
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<script src="https://gist.github.com/maxanton/1e2cf7ada079c271bd3c.js"></script>
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</body>
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</html>
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<!-- vim : set ft=markdown-->
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