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Tamas P. Jantvik wrote:
> I have a few questions about Squids Pinger component. I have
> recently made some major tightenings on the firewall that is
> running on the same machine that acts as an transparent proxy w/
> squid. I have also noticed some new events in my logs, whereof
> I have a question about the following:
> squid[1363]: icmpRecv: recv: (111) Connection refused
> squid[1363]: Closing Pinger socket on FD 15
>
> What traffic do I need to allow for the Pinger to function
> properly? Does anyone have a clue?
> I've read the rfc on squid, which told me next no nothing,
> except for icmp type 4 (which is allowed)...
> I'm running Redhat Linux 6.2 with 2.2.18 kernel and I'm using
> squid 2.3 STABLE4 (rpm from RedHat).
> Any comments will make me happy. :)
check your packet logs to see what packets are being stopped.
afaik, squid uses the following ports: tcp/3128,3130,4287
(the latter ones are for some inter-proxy protocols (ICP/HTCP)
where squids need to talk to their parent or sibling proxies).
raf
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