Re: Samba and Firewall

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On Mon, 2005-03-07 at 20:06 +0800, Shu Hung (Koala) wrote:
> How to turn on logging of iptables?
> 
> Koala
> 
> Bob Chiodini wrote:
> 
> >On Mon, 2005-03-07 at 12:52 +0800, Shu Hung (Koala) wrote:
> >  
> >
> >>Hello
> >>I've been working on a Samba machine for a while.
> >>Recently, I tried to turn on its firewall.
> >>But my configuration to iptables is flawed somehow -- it is half right 
> >>and half wrong.
> >>
> >>Here is what I've done:
> >> - I used system-config-securitylevel to config new ports to open
> >> - I've opened ports   139:tcp, 445:tcp, 137:udp, 138:udp
> >> - I restart the iptables to load up the configs.
> >>
> >>Here is the consequence right now:
> >> - As I reboot my client PC, I cannot connect to samba shared folders -- 
> >>unless I stop iptables first
> >> - After I've connected to Samba once, I can connect to Samba as many 
> >>time as I want to -- even if I start iptables again.
> >>
> >>I guest one more port or something is responsible for the first 
> >>connection to the server.
> >>Does anybody have any idea?
> >>
> >>-- 
> >>    
> >>
> >Try turning on logging in iptables, if it's not already.
> >Check /var/log/messages to see what is being dropped, related to your
> >client.
> >
> >Bob...
> >
> >  
> >
> 
> -- 
> Technical Support, DigitalOne Limited
> Tel: 8100-2616 / 2545-1383
> Fax: 2815-0593
> 
> 
> 
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> 

It depends on how you set up your firewall.  man iptables and search for
LOG.  You have to add a LOG rule before your REJECT or DROP rules.

Bob...



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