Re: Telnet information.

[Jeffrey Koetsier <jkoetsier@shintar.net>]

It depends per software package.
In postfix you can set your smtpbanner in /etc/postfix/main.cf:

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)

For OpenSSH you can change it during compile time ...

Quoting Lars Roland Kristiansen <m00lrk@math.ku.dk>:

> Hi.
> 
> Is there a generic way to block telnet information (runing woody) - if i
> telnet to our
> mailserver at port 110 then i am told both the version of our pop3 handler
> and what local ip it is running on, the same goes for port 22 and 25 
> (where ssh and postfix).
> 
> Thanks 
> 
> ___
> Mvh./Yours sincerely
> 
> Lars 
> 
> ========================================================================
> Lars Roland Kristiansen 		         
> Stu. Sci. Math/Computer science		           
> Copenhagen University -			    
> Institute for Mathematical Sciences	       
> Url: www.math.ku.dk			   
> Email: m00lrk@math.ku.dk		  
> ========================================================================
> 
>    "Politics is for the moment, equations are forever"
>                                                     - Albert Einstein
> 
> 
> 
> -- 
> To UNSUBSCRIBE, email to debian-security-request@lists.debian.org
> with a subject of "unsubscribe". Trouble? Contact
> listmaster@lists.debian.org
> 
> 




-- 
To UNSUBSCRIBE, email to debian-security-request@lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org