60 lines
2.2 KiB
Markdown
60 lines
2.2 KiB
Markdown
permalink: "/{{ year }}/{{ month }}/{{ day }}/using-ipvwith-inetd"
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title: using ipv6 with inetd
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published_date: "2011-10-18 10:58:00 +0200"
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layout: post.liquid
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data:
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route: blog
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---
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I am the administrator of the [ctdo][] own jabber server over at `jabber.ctdo.de`.
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It is currently running on the old but working [jabberd][] and also hosts a [bitlbee] server on several ports including ssl-protected ones.
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Now that the world is migrating to IPv6 I wanted to make every single service on this machine available on IPv6, too.
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Not that easy for old, never-really-updated software.
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Complete taking down the machine and reinstalling everything was not an option, so I just updated jabberd to the latest version (back in spring).
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By default the jabber server listens on all IPv6 addresses of the host machine, so all I needed to do here was enabling ssl-serving over IPv6 for it:
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<tls port="5223">2001:0db8:85a3:08d3:1319:8a2e:0370:7344</tls>
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{:lang="text"}
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(this is a completeley random ipv6 addresses ;)
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Now to the "hard" part: the bitlbee thing.
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As bitlbee does not speak ssl itself, it makes use of [stunnel][], a small SSL tunneling proxy.
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Now stunnel and bitlbee are not just started on boot, but handled by [inetd][], a super-server daemon listening on ports and starting associated programs on need.
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But, as I told before, the server is a rather old installation and uses `netkit-inetd`, which, as to my testings, does not work over IPv6.
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So I had to replace this one:
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apt-get install netbsd-inetd
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{:lang="text"}
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One line in `/etc/inetd.conf` reads as the following:
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9999 stream tcp nowait bitlbee /usr/bin/stunnel stunnel -v 0 -l /usr/sbin/bitlbee
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{:lang="text"}
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This needs to be duplicated and changed to listen on v6, too.
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9999 stream tcp6 nowait bitlbee /usr/bin/stunnel stunnel -v 0 -l /usr/sbin/bitlbee
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{:lang="text"}
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And that's it.
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/etc/init.d/netbsd-inetd start
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/etc/init.d/jabberd14 restart
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{:lang="text"}
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and you should be ready to go.
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This is live right now on `jabber.ctdo.de`.
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[ctdo]: http://ctdo.de/
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[jabberd]: http://jabberd.org/
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[bitlbee]: http://www.bitlbee.org/main.php/news.r.html
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[stunnel]: http://www.stunnel.org/
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[inetd]: http://en.wikipedia.org/wiki/Inetd
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