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tcp option @42,16,4 (@kind,offset,length).
Signed-off-by: Florian Westphal <fw@strlen.de>
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nft currently doesn't allow to check for presence of arbitrary tcp options.
Only known options where nft provides a template can be tested for.
This allows to test for presence of raw protocol values as well.
Example:
tcp option 42 exists
Signed-off-by: Florian Westphal <fw@strlen.de>
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'nop' is the tcp padding "option". "noop" is retained for compatibility
on parser side.
Signed-off-by: Florian Westphal <fw@strlen.de>
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One was added by the tcp option parsing ocde, the other by synproxy.
So we have:
synproxy ... sack-perm
synproxy ... mss
and
tcp option maxseg
tcp option sack-permitted
This kills the extra tokens on the scanner/parser side,
so sack-perm and sack-permitted can both be used.
Likewise, 'synproxy maxseg' and 'tcp option mss size 42' will work too.
On the output side, the shorter form is now preferred, i.e. sack-perm
and mss.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Merge tcpopt.t files in ip, ip6 and inet into a common one, they were
just marignally different.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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