Thank you Jozsef!
I am not quite sure if I read the C-code correctly - so TCP sequence
checking seems to be enabled by default, right? Or do I need to set some
flag when adding a rule?
KR,
Lukas
Am 03.06.2015 um 19:16 schrieb Jozsef Kadlecsik:
On Wed, 3 Jun 2015, Lukas Hubschmid (s) wrote:
Does iptables support TCP sequence checking, to check if a TCP packet has a
valid sequence number (according to previous packets of the same TCP
connection)?
Yes, have a look at net/netfilter/nf_conntrack_proto_tcp.c in the kernel
source tree.
Best regards,
Jozsef
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