Vlad GURDIGA wrote:
Hello,
I've started an Apache bechmark with ab today and a lot of such
messages from kernel appeared in /var/log/messages:
Sep 25 16:16:34 dev01 kernel: Limiting closed port RST response from
270 to 200 packets/sec
Sep 25 16:19:10 dev01 kernel: Limiting closed port RST response from
475 to 200 packets/sec
Sep 25 16:19:15 dev01 kernel: Limiting closed port RST response from
220 to 200 packets/sec
Sep 25 16:19:19 dev01 kernel: Limiting closed port RST response from
243 to 200 packets/sec
What do they mean?
This normally means someone is repeatedly attempting to connect to a
closed port, i.e. you are getting port-scanned!
Normally the kernel limits this response so the connection is not
overwhelmed by the replies
Maybe your benchmark attempts to also connect to a port other than 80?
(i.e. 443 and you are not running https)
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