[lug] Weird mail/firewall problem
chip at rmpg.org
Tue Feb 12 19:43:36 MST 2002
Generally that seems ok. I can both connect to my relay hosts and
On 12 Feb 2002, Hugh Brown wrote:
> Something that can be informative is to go to an outside host and telnet
> to your port 25 and do a session by hand and watch for errors.
> On Tue, 2002-02-12 at 21:14, Chip Atkinson wrote:
> > Greetings,
> > I'm having some weird stuff going on with my mail and perhaps the
> > firewall and am wondering if anyone could shed some light on the problem
> > I'd appreciate it.
> > In my maillog, I'm seeing entries like this:
> > Feb 12 19:06:14 poodle sendmail: SAA22496: timeout waiting for
> > input from femail17.sdc1.sfba.home.com during message collect
> > In my messages file I'm seeing entries like this:
> > Feb 12 19:05:28 poodle kernel: Packet log: input DENY ppp0 PROTO=6
> > 184.108.40.206:65535 220.127.116.11:65535 L=492 S=0x00 I=7422 F=0x2042 T=245
> > (#12)
> > Then I nslookup 18.104.22.168
> > Server: ns1.rmpg.org
> > Address: 22.214.171.124
> > Name: femail44.sdc1.sfba.home.com
> > Address: 126.96.36.199
> > Huh? It seems that the email timeouts are related to these denied
> > packets. The weird thing is that the port is 65535, not 25.
> > I see these denial messages scrolling by almost as fast as the messages in
> > the maillog.
> > I'm a bit puzzled and don't want to open up myself unnecessarily, but it
> > slmost seems that I'm blocking mail throughput.
> > Thanks in advance.
> > Chip
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