[CentOS] CentOS 5.2 + iptables + memcached Problem

Art Age Software artagesw at gmail.com
Fri Dec 12 23:10:02 UTC 2008


Thanks for your reply. I originally had stateful rules in place and
packets were being dropped. I had just switched to stateless rules in
an attempt to fix the problem.

I will go back to stateful and update this thread with the new log messages.

Thanks.

Sam

On Fri, Dec 12, 2008 at 2:33 PM, Filipe Brandenburger
<filbranden at gmail.com> wrote:
> Hi,
>
> On Fri, Dec 12, 2008 at 15:45, Art Age Software <artagesw at gmail.com> wrote:
>> IPTABLES -A XXX  -i bond0 -p tcp -m tcp  -s 192.168.1.0/24  -d
>> 192.168.1.0/24  --dport 11211  -j ACCEPT
>
>> Dec 12 20:33:53 s1 kernel: DROP -- Catch All: IN= OUT=bond0
>> SRC=192.168.1.1 DST=192.168.1.2 LEN=40 TOS=0x00 PREC=0x00 TTL=64 ID=0
>> DF PROTO=TCP SPT=11211 DPT=47567 WINDOW=0 RES=0x00 RST URGP=0
>
> The packages it's dropping are with *source* port 11211, they are the replies.
>
> Either configure your firewall in stateful mode (-m state, --state
> NEW, --state ESTABLISHED, etc.) or add rules to allow the replies from
> that source port.
>
> HTH,
> Filipe
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