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When translate to nft rules, ipcompspi range is not supported, so:
# iptables-translate -A OUTPUT -m ipcomp --ipcompspi 1:2
nft add rule ip filter OUTPUT comp cpi 1 counter
# iptables-translate -A OUTPUT -m ipcomp ! --ipcompspi 3:30
nft add rule ip filter OUTPUT comp cpi != 3 counter
Apply this patch:
# iptables-translate -A OUTPUT -m ipcomp --ipcompspi 1:2
nft add rule ip filter OUTPUT comp cpi 1-2 counter
# iptables-translate -A OUTPUT -m ipcomp ! --ipcompspi 3:30
nft add rule ip filter OUTPUT comp cpi != 3-30 counter
Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This structure is an extensible containers of parameters, so we don't
need to propagate interface updates in every extension file in case
we need to add new parameters in the future.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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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 of ipcomp to nftables.
First value of the parameter 'ipcompspi' will be translated to 'cpi'
parameter in nftables. Parameter 'compres' is not supported in nftables.
Examples:
$ sudo iptables-translate -t filter -A INPUT -m ipcomp --ipcompspi 0x12 -j ACCEPT
nft add rule ip filter INPUT comp cpi 18 counter accept
$ sudo iptables-translate -t filter -A INPUT -m ipcomp ! --ipcompspi 0x12 -j ACCEPT
nft add rule ip filter INPUT comp cpi != 18 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 enables user to set iptables ACTIONs for IPcomp
flow specified by its SPI value.
For example:
iptables -A OUTPUT -p 108 -m ipcomp --ipcompspi 0x12 -j DROP
ip6tables -A OUTPUT -p 108 -m ipcomp --ipcompspi 0x12 -j DROP
IPcomp packet with spi as 0x12 will be dropped.
Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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