Do SYN packets have any particular use? Is
there a way to deny
any and all SYN packets
altogether?
> Mike Branco wrote:
>
> Do SYN packets have any particular use?
Yes, a packet that has the SYN flag set in it
is the first packet of a connection. When you
see a packet with SYN set, it is coming from someone
who's attempting to make a new connection to your computer.
> Is there a way to d
Matt Schalit wrote:
> > Is there a way to deny any and all SYN packets altogether?
>
> ipchains -A input -j DENY -i eth0 -p tcp ! -y -l
Very bad. Very bad. Very, very bad. ^^^You wanted to deny
packets with SYN, and I posted how to deny packets *without* SYN.
The following does wha
