Firewall

[Wayne Pinette]

You may want to check netstat -l to see if you are indeed listening on
port 25 for all interfaces, not just localhost.localdomain
It sounds like you may not have your smtp server working properly


Wayner


>>> damienjp at bellsouth.net 24/09/2004 2:47:33 pm >>>
Wats funny is datz watz in my iptables :

-A RH-Lokkit-0-50-INPUT -p tcp -m tcp --dport 80 --syn -j ACCEPT
-A RH-Lokkit-0-50-INPUT -p tcp -m tcp --dport 21 --syn -j ACCEPT
-A RH-Lokkit-0-50-INPUT -p tcp -m tcp --dport 22 --syn -j ACCEPT
-A RH-Lokkit-0-50-INPUT -p tcp -m tcp --dport 25 --syn -j ACCEPT
-A RH-Lokkit-0-50-INPUT -p tcp -m tcp --dport 23 --syn -j ACCEPT
-A RH-Lokkit-0-50-INPUT -p udp -m udp -s 0/0 --sport 67:68 -d 0/0
--dport 67:68 -i eth0 -j ACCEPT
-A RH-Lokkit-0-50-INPUT -p udp -m udp -s 0/0 --sport 67:68 -d 0/0
--dport 67:68 -i eth1 -j ACCEPT
-A RH-Lokkit-0-50-INPUT -i lo -j ACCEPT
-A RH-Lokkit-0-50-INPUT -i eth0 -j ACCEPT
-A RH-Lokkit-0-50-INPUT -i eth2 -j ACCEPT

I even turned it off then reboot and da port is still blocked or maybe
da server ain't picking it up, not sure wtf is going on here... gonna
try out some other smtp servers and if all fails then i guess it'z bak
to windows :(

On Sat, 2004-09-25 at 17:32, Stuart Sears wrote:
> On Fri 24 September 2004 19:26, Damien Estrada wrote:
> > Can anybody tell me how to unblock port 25 from the firewall
installed
> > with red hat ??
> lokkit -> customize -> check the SMTP box
> the graphical version is redhat-config-securitylevel
> (not, for some reason, redhat-config-firewall or
redhat-config-iptables)
> or of course you could do it manually with iptables.
> (this assumes you are already using the redhat default firewall
setup)
> $ iptables - A RH-Firewall-1-INPUT -p tcp --dport 25 -j ACCEPT
> - which will allow traffic from _anywhere_ to access your SMTP port.
> - for more restrictions add a -s your.net.work.subnet. after the
INPUT
> $ service iptables save
> 
> HTH 
> 
> Stuart
> 
> -- 
> Stuart Sears RHCE, RHCX
> Quidquid latine dictum sit, altum viditur
> 


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