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Hi
jan_abraham@xxxxxxx wrote:
> What happens: Lighttpd simply doesn't accept connections. In the
> tcpdump on the realserver I can see the SYN packets arrive but the
> connection isn't accepted on the server socket. There's no SYN-ACK
> travelling out, neither a RST or something else. After 3 SYN retries,
> the browser shows a timeout error.
How about keeping netfilter enabled and adding logging rules to various
netfilter tables, to see how far the packet (or the potential response)
gets?
iptables -I PREROUTING -t raw -p tcp --dport 80 --syn -j LOG
--log-prefix "raw-prerouting: "
and the same for mangle-prerouting, mangle-input, nat-prerouting,
filter-input. This could help pinpoint at which layer the packet gets lost.
Siim
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