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The kernel already assumes that that ICMP type to reject a packet is
destination-unreachable, hence the user specifies the *ICMP code*.
Simplify the syntax to:
... reject with icmp port-unreachable
this removes the 'type' keyword before the ICMP code to reject the
packet with.
IIRC, the original intention is to leave room for future extensions that
allow to specify both the ICMP type and the ICMP code, this is however
not possible with the current inconsistent syntax.
Update manpages which also refer to ICMP type.
Adjust tests/py to the new syntax.
Fixes: 5fdd0b6a0600 ("nft: complete reject support")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Previous patches added "8021ad" mnemonic for IEEE 802.1AD frame type.
This adds the 8021q shorthand for the existing 'vlan' frame type.
nft will continue to recognize 'ether type vlan', but listing
will now print 8021q.
Adjust all test cases accordingly.
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Fix warnings and errors when running nf-test.py -j due to missing json test case updates.
This also makes bridge/reject.t pass in json mode.
No code changes.
Fixes: 8615ed93f6e4c4 ("evaluate: enable reject with 802.1q")
Fixes: fae0a0972d7a71 ("tests: py: Enable anonymous set rule with concatenated ranges in inet/sets.t")
Fixes: 2a20b5bdbde8a1 ("datatype: add frag-needed (ipv4) to reject options")
Signed-off-by: Florian Westphal <fw@strlen.de>
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This enables the use nft bridge reject with bridge vlan filtering.
It depends on a kernel patch to make the kernel preserve the
vlan id in nft bridge reject generation.
[ pablo: update tests/py ]
Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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bridge family
add rule bridge test-bridge input reject with icmp type ...
is shown as
ether type ip reject type ...
i.e., the dependency is not removed.
Allow dependency removal -- this adds a problem where some icmp types
will be shortened to 'reject', losing the icmp ipv4 dependency.
Next patch resolves this problem by disabling short-hand abbreviations
for bridge reject statements.
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Commit 3e6ab2b335142 added restraints on reject types for bridge and
inet families but aparently those were too strict: If a rule in e.g.
inet family contained a match which introduced a protocol dependency,
icmpx type rejects were disallowed for no obvious reason.
Allow icmpx type rejects in inet family regardless of protocol
dependency since we either have IPv4 or IPv6 traffic in there and for
both icmpx is fine.
Merge restraints in bridge family with those for TCP reset since it
already does what is needed, namely checking that ether proto is either
IPv4 or IPv6.
Fixes: 3e6ab2b335142 ("evaluate: reject: check in bridge and inet the network context in reject")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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got following bug report:
nft add ... ct mark set mark and 0x10
... always sets 0.
What reporter meant to write instead was 'ct mark', not 'mark'.
We can't just remove support for 'mark' and force
'meta mark', but we can start to discourage it by printing meta prefix too.
Later on, we could start to print deprecation warning if needed.
Followup patch can also change
"iifname" etc. to "meta iifname".
Signed-off-by: Florian Westphal <fw@strlen.de>
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... to avoid resetting e.g. the ssh session to the vm that runs
nft-test.py.
Signed-off-by: Florian Westphal <fw@strlen.de>
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The test files have been adapted to the syntax defined in the previous
commit "tests/py: modify supported test file syntax"
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Rearrange the directory to obtain a better organization of files and
tests-suites.
We end with a tree like this:
tests
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.--- py
.--- shell
.--- files
This was suggested by Pablo.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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