Linux Advocate wrote:
> Tom,
> 
>>> 1. Why is the smtp port stealthed whilst other are
>>> open?
>> Two obvious questions: Why is postfix listening on
>> port 26 rather than port
>> 25?
> 
> our isp has blocked port 25, therefore , we are using
> port 26, i have modified postfix ( postfix just for
> cron messages only , our office mail server is hosted
> off-site ) and also the smtp macro to this end. 

Why???????

> 
>> Do you have an ACCEPT or DNAT rule for port
>> 26?
> 
> in the policy file , i have set FW -> Net as accept,
> since postfix is running on the FW , this should cut
> it rite ?

Sure -- but that is outbound. You aren't opening port 26 inbound so your
default net->fw (or net->all) DROP policy will stealth the port inbound.

> 
>>> 2. What about port 113 ? Any issues / comments.
>> How do
>>> i get rid of it? 
>> RTFF (Read the fine FAQ) -- in this case, it is FAQ
>> 4.
> 
> i hv read it before... nothing clicked.... but
> ....reading it again.... == > i get it now ! :)
> 
> If in the policy file , i already have FW -> net ,
> there is no need for me to add something in rules..
> therefore  should i conclude , its my postfix config
> which is wrong ?

I don't think there is anything wrong with your configuration.

-Tom
-- 
Tom Eastep    \ Nothing is foolproof to a sufficiently talented fool
Shoreline,     \ http://shorewall.net
Washington USA  \ [EMAIL PROTECTED]
PGP Public Key   \ https://lists.shorewall.net/teastep.pgp.key

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