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This patch fixes a multiple spaces issue. The problem arises when a rule
set loaded through iptables-compat-restore is listed in nft.
Before this commit, two spaces were printed after every match
translation:
$ sudo iptables-save
*filter
:INPUT ACCEPT [0:0]
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m multiport --dports 80:85 -m ttl --ttl-gt 5 -j ACCEPT
COMMIT
$ sudo iptables-compat-restore iptables-save
$ sudo nft list ruleset
table ip filter {
chain INPUT {
type filter hook input priority 0; policy accept;
ct state related,established counter packets 0 bytes 0 accept
^^
ip protocol tcp tcp dport 80-85 ip ttl gt 5 counter packets 0 bytes 0 accept
^^ ^^
}
}
Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for cgroup to nft. Path parameter not supported in nft
yet.
Examples:
$ sudo iptables-translate -t filter -A INPUT -m cgroup --cgroup 0 -j ACCEPT
nft add rule ip filter INPUT meta cgroup 0 counter accept
$ sudo iptables-translate -t filter -A INPUT -m cgroup ! --cgroup 0 -j ACCEPT
nft add rule ip filter INPUT meta cgroup != 0 counter accept
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch fixes a typo in the cgroup2 cgroup_help_v1() method in extensions\ibxt_cgroup.c.
Signed-off-by: Rami Rosen <rami.rosen@intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch updates xt_cgroup so that it supports revision 1 interface
which includes cgroup2 path based matching.
v3: Folded into xt_cgroup as a new revision interface as suggested by
Pablo.
v2: cgroup2_match->userspacesize and ->save and man page updated as
per Jan.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Daniel Borkmann <dborkman@redhat.com>
Cc: Jan Engelhardt <jengelh@inai.de>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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libxt_cgroup will grow cgroup2 path based match. Postfix existing
symbols with _v0 and prepare for multi revision registration. While
at it, rename O_CGROUP to O_CLASSID and fwid to classid.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Daniel Borkmann <dborkman@redhat.com>
Cc: Jan Engelhardt <jengelh@inai.de>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch adds the user space extension/frontend for process matching
based on cgroups from the kernel patch entitled "netfilter: xtables:
lightweight process control group matching".
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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