> 1. Open /etc/sysctl.conf, append a command
> "/net.ipv4/tcp_challenge_ack_limit = 999999999".
I'm very skeptical. The default on my stock machine is 100. You can check
your own with:
sysctl -A | grep tcp | grep limit
In the absence of better documentation, I'm guessing that opening the
ack limit to several million is essentially setting your machine up to
unlimited hack attack.
--
Rick Walker
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