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Re: [lvs-users] Re : IPVS and IPTABLES firewall

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] Re : IPVS and IPTABLES firewall
From: Graeme Fowler <graeme@xxxxxxxxxxx>
Date: Tue, 14 Apr 2009 18:43:36 +0100
On Tue, 2009-04-14 at 13:16 +0000, w y wrote:
> Does it mean that I am completely wrong when I try to do "high level" 
> firewalling (open or close some ports) ? 

No.

Start with an empty rule set. Add a rule. If the traffic flows, add more
rules until it stops and then see which rule caused the breakage.

This is pretty basic, I'm afraid - never try to do everything at once,
because you'll have no clarity at all as to the aource or cause of your
problem.

Graeme


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