-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 12/20/2010 09:05 AM, Dennis Hendriksen wrote: > Furthermore we sometimes see the following in /var/log/messages: > Dec 19 22:40:04 cache1 kernel: possible SYN flooding on port 80. Sending > cookies. > Dec 19 22:41:05 cache1 kernel: possible SYN flooding on port 80. Sending > cookies.
Try to change at your sysctl.conf the following value: net.ipv4.tcp_syncookies = 0 See: http://www.varnish-cache.org/trac/wiki/Performance hope this helps -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAk0PYY0ACgkQNRQApncg2948vgCfaxCKQoCwPGG5GSNwXv45DcIg CIAAniRud/SV/vzBTaZb3xlcbIOKAPPz =fygR -----END PGP SIGNATURE----- _______________________________________________ varnish-misc mailing list [email protected] http://www.varnish-cache.org/lists/mailman/listinfo/varnish-misc
