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AW: AW: [suse-security] Can't access from outside



DNS or Firewall. Try a 

Telnet aaa.bbb.ccc.ddd 25 

Where aaa.bbb.ccc.ddd is your real (not dyndns) ip-adress. Perhaps dyndns is
not up to date.

Christian




> I try to telnet from outside, but there's no response. From 
> internal or my other servers that in one subnet, I get this 
> answer telnet reynaldi.dyndns.org 25 Trying 202.152.21.230...
> Connected to reynaldi.dyndns.org.
> Escape character is '^]'.
> 220 arie.reynaldi.dyndns.org ESMTP Postfix
> 
> But from other place I got no response
> telnet reynaldi.dyndns.org 25
> Trying 202.152.21.230...
> telnet: connect to address 202.152.21.230: Connection timed out
> 
> 
> And in my /var/log/mail, there's no messages that shows any 
> connection from ex. yahoo.com or any other servers. 
> 
> I think it's firewall problem :(
> 
> > Test it from outside with a
> >
> > $ telnet yourserver.dyndns.org 25
> >
> > If you get an answer like:
> >
> > 220 yourserver.dyndns.org ESMTP Postix
> >
> > it is not a firewall problem. Then you will have to 
> configure postifx 
> > correctly.
> >
> >
> >
> >
> > Christian
> 
> --
> Arie Reynaldi Zanahar
> reyman@xxxxxxxxxxxx
> 
> 
> -- 
> Check the headers for your unsubscription address
> For additional commands, e-mail: suse-security-help@xxxxxxxx
> Security-related bug reports go to security@xxxxxxx, not here
> 


-- 
Check the headers for your unsubscription address
For additional commands, e-mail: suse-security-help@xxxxxxxx
Security-related bug reports go to security@xxxxxxx, not here