Also maybe the example should be:
instead of just:
-A INPUT ... -j REJECT
do:
-A INPUT ... -m conntrack --ctstate INVALID -j DROP
-A INPUT ... -j REJECT
I *think* that your talk of 3 packets is not needed, ie. the initial
delayed packet doesn't have to be a retransmission.
It can be the first copy of that segment that gets massively delayed
and arrives late and causes problems,
by virtue of arriving after the retransmission already caused the
conne
Signed-off-by: Jan Engelhardt
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Maciej's explanation on how INVALID+REJECT can lead to problems looks
convincing. I hereby present new manpage wording in the form of "if A, then B"
to better build the argument of avoiding REJECT. So the issue is not caused by
an _incoming_ TCP RST as the initia