[TriLUG] garbled SMTP?

Dan trilug at daijin.nulluser.com
Tue Jun 22 10:08:13 EDT 2004


--On Monday, June 21, 2004 07:38:13 PM -0400 "Brian A. Henning" 
<lugmail at cheetah.dynip.com> wrote:

> Hi Listers,
>   Got the Cisco PIX firewall figured out (gracious thanks to those who
> helped!), got the router/modem into bridge configuration, all is
> well...except SMTP.
>
> HTTP works great.
> SSH works great.
> POP3 works great.
> SMTP from inside the LAN works great.
> SMTP from outside the LAN works....not great.  If I attempt to telnet to
> port 25 from outside the LAN, I get this response:
>
> 220
> *********************************************2*******2**********2******20
> 0** ***20*****0*00
>
> ..and from that point, the session is unresponsive.
>
> Anybody know what that means, and how to fix it?
>
> Thanks a bunch,
> ~Brian

as a first step use this command in your config:

	no fixup protocol smtp 25

the PIX 'tries' to make SMTP more secure and screws it up.

-- 
Dan



More information about the TriLUG mailing list