Le Sat, May 27, 2000 at 05:35:24AM -0700, Sam Habash ecrivit:
> I wonder if anybody has incoroprated support for syncookies a la linux.

/usr/src/sys/i386/conf/LINT:

# ICMP_BANDLIM enables icmp error response bandwidth limiting.   You
# typically want this option as it will help protect the machine from
# D.O.S. packet attacks.
#
options         ICMP_BANDLIM

You could also try:

options         TCP_DROP_SYNFIN         #drop TCP packets with SYN+FIN
options         TCP_RESTRICT_RST        #restrict emission of TCP RST

if you run an IRC server or such a thing.

-- 
Sameh.


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