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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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