Use tor with znc, and automatically restart tor if exit node is banned
from the ircd?
reddit / irc

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Jigoku1337 · 2017-12-04 16:54

Is this possible? I want to setup znc to use tor as a proxy. However,
some exit nodes are blacklisted from the ircd, resulting in being
banned automatically on connect, which will render the purpose of a
bouncer useless. When that happens, i want to get a new exit node, so
have to restart tor if that host is banned.

Eg;  manually restart tor from a shell;

    function rtor() {
        sudo kill -HUP $(pidof tor)
    }

How could i run something like this automatically from within znc, to
restart tor if that particular exit node is banned?

Or even, is there any other bouncer with a plugin/addon/script that
can achieve this?

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totalsecond · 2017-12-04 17:20

Sounds like a good way to get banned from the network.

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flotwig · 2017-12-04 17:39

Some IRC networks offer a tor hidden service where you won't get
banned just for connecting.

That being said, if you have modpython, modperl, or modtcl for your
znc, you can write a simple module in Python to do what you're trying
to do.

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CannedDeath · 2017-12-04 19:03

In general, servers that ban Tor use public DNS blacklists to
determine what hosts are Tor exit nodes. They almost never have bans
for individual Tor nodes entered manually by operators. Some of these
blacklists are automatically populated from Tor's directories, some
come from proxy scanners on IRC servers, and some come from other
automatically or manually submitted reports.

So this approach won't work because the servers already know all the
Tor nodes. You might get lucky and get a very new exit node, but it
will eventually be detected.

I would recommend either using a paid VPN or contacting the network's
operators about getting access through Tor. But be prepared for them
to say no or ask you to register an account.

On another note, this might constitute ban evasion, which people on
IRC consider an extreme offense.

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Jigoku1337 · 2017-12-05 01:43

Yes i know what a blacklist is. That's not an issue on the network in
question. There is no strict banning of tor nodes, rather several end
up on the blacklist in use, probably 1/5 nodes end up being banned on
connect.

It's just that if your connection on tor drops out and znc reconnects
on a new node, it will be stuck in a ban loop if you end up with a
blacklisted exit node.

How can this be ban evasion? I'm using tor because i have an
oppressive government and don't want them logging chat. It's not like
i have been glined previously and evading a previous ban. Being banned
on connect for open proxy / or blacklisted address doesn't become ban
evasion by restarting tor...

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svn · 2017-12-05 11:12

...until you get a new ip