> Robert Mortimer wrote:
> >>On 4/29/06, sai <[EMAIL PROTECTED]> wrote:
> >>
> >>>What does the rule you made look like? You should have the destination
> >>>port as 25 and source port as *
> >>>
> > First rule (LAN) 
> > 
> > BLOCK TCP   ! MailServers  25 (SMTP) * * *
> 
> This is exactly the opposite as what was suggested by sai
> 
> The SMTP connections are made with a destination port 25(SMTP) and not 
> with a source port 25.
> 
> The rule should be something like:
> 
>     BLOCK TCP         ! MailServers  * * 25 (SMTP) *
> 
> But I prefer explicitly allowing the legal traffic and blocking by 
> default (the logging options are more granular:
> 
>     PASS  TCP MailServers * * 25(SMTP) *
>     BLOCK TCP * * * 25(SMTP) *
> 
> (the second rule is not necessary if you don't allow every outgoing TCP 
> by default)
> 
> Angelo.

Thanks.
PS my SMTP pass through from the public side is still not working. 


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