RE: SMTP Banner info

Just to be a pain, why can someone telnet to your mail service?
You should not allow that at the firewall.
Just speaking from a security viewpoint.



-----Original Message-----
From: midrange-l-admin@midrange.com
[mailto:midrange-l-admin@midrange.com]On Behalf Of Kyle Rosling
Sent: Friday, April 19, 2002 1:32 PM
To: Midrange-L@Midrange. Com
Subject: SMTP Banner info



Our corporation has just undergone an IT "assessment" by and external
company.  They have made quite a few recommendations directed at our LAN
machines but failed to come up with much detail regarding our AS/400 (No
surprise there!).
One recommendation they did make is the information regarding the SMTP
service running on the 400.  They feel that there is too much
information given (SMTP type & version) when someone telnets to our
email service.  Here is a sample of the info:

---------------------------------------------------------

220 S1037015.AS400.COM running IBM AS/400 SMTP V04R05M00
---------------------------------------------------------

So, my question is how is this turned off and/or modified?  My
supervisor thought he came across something stating that V5R1 addressed
this very issue.

Any ideas or links anyone can give will be appreciated!

Thanks,
Kyle

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