Re: [Exim] IP coming directly from hell?

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Author: Andreas Gietl
Date:  
To: William Thompson
CC: exim-users@exim.org
Subject: Re: [Exim] IP coming directly from hell?
On Wednesday 09 April 2003 17:48, William Thompson wrote:
> > > > sorry for the HUGE debug-log at the end of this mail.
> > > >
> > > > I am experiencing a very strang problem on an exim-4.14 server.
> > > >
> > > > I just describe the situation:
> > > >
> > > > - client logs on from ip 80.136.241.103
> > > > - exim checks relay_from_hosts - but not looks up 80.136.241.103. It
> > > > looks up for 217.7.0.61.29 and then of course rejects the relay
> > >
> > >                 ^
> > > that's not an IP address.  Check your file and see if you meant
> > > 217.7.0.61/29 instead.  However, that's not a correct CIDR address.

> >
> > yes. i know. that's why i always put the word ip in parentheses. Since
> > this a lookup in relay_from_hosts exim should not alter the adress it
> > looks up. And at the beginning and at the end of the connection the ip is
> > output correctly. Just for the lookup in the relayhosts it is altered.
> > That is strange. That's all i complain about;-)
>
> Exim doesn't see it as an IP address. When it's trying to match it see
> this as a hostname and attempts to look it up, Then it'll fail. Someone
> already asked this same question on the list (or similar)


yes. but the question is where this ip comes from! If you look at the
debug-output i sent you see the connection is not initated from this
source-adress.

>
> > > > I tried to figure out where this "IP" - which is none - comes from,
> > > > but i could not find a source for it.
> > > >
> > > > This happens on some remote-adresses, but not with all. But it is
> > > > allways the same "ip" that comes, maybe, directly from hell in to
> > > > exim.
> > > >
> > > > These are a few important snippets from the configuration:
> > > >
> > > > hostlist relay_from_hosts = 127.0.0.1 : /etc/relayhosts
> > > >
> > > > /etc/relayhosts is a file of the format:
> > > >
> > > > 80.136.241.103 # 1049896544
> > > > 127.0.0.1 # 1049896544
> > >
> > > Looks ok, but why the "# 1049896544" afterwords?
> >
> > timestamp. This works just fine. exim treats it as comment
>
> Ok, I wasn't sure what it is, I did assume exim would ignore it.
>
> --
>
> ## List details at http://www.exim.org/mailman/listinfo/exim-users Exim
> details at http://www.exim.org/ ##


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