Silly "David Guntner" <[EMAIL PROTECTED]> becomes daring and writes:
> Vox grabbed a keyboard and wrote:
>>
>> Silly David Guntner <[EMAIL PROTECTED]> becomes daring and writes:
>> >
>> > Again, just so that I'm clear what my problem is: I can even go so far as to
>> > telnet in to port 25 from the local host itself, but any attempt to connect
>> > from another machine gets no connection. I don't even get the SMTP greeting
>> > message - the connection just closes.
>>
>> Oh! that's different...I misunderstood the issue. Check
>> /etc/hosts.deny and /etc/hosts.allow...I'm thinking you set the
>> security of the box a bit too high :) Also...take a look at
>> /var/log/messages and look for any hits from the LAN boxes or postfix
>> or xinetd lines.
>
> That's the weird part - the logs show *nothing*. I see a log entry from my
> DSL router showing the incoming port 25 connection being directed to my
> Linux box, and then that's it. No message from postfix or anything. If I
> try telneting in from the Windows box on the same home network, I likewise
> get no notation of any connection showing up in the syslog. This never
> happened with 8.2 or below.... <mumble>
That would mean connections aren't getting to the daemon, so we now
know there's something wrong between the daemon and the world.
>
> I checked, and /etc/hosts.{deny|allow} is empty, other than the comment
> lines telling what the files are for.
This means that my first guess of what's wrong wasn't right.
> How would I check for an ipchains (or whatever) rule, to see if somehow
> port 25 connections are being blocked at that point? Yes, I'm probably
> clutching at straws here, but you never know....
This would have been my next suggestion. Do:
iptables -L | grep 25
iptables -L | grep smtp
If that gives you nothing or an error, try
ipchains -L | grep 25
ipchains -L | grep smtp
And pray that one of them gives you a result :)
Vox
--
Pain is the gift of the gods, and I'm the one they chose as their messenger....
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