| Commit message (Collapse) | Author | Age | Files | Lines |
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The multiport match needs it, this basically leaves ->xlate() indirection
with almost the same interface as ->print().
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Use a more generic name for this object to prepare the introduction of
other translation specific fields.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add translation for SNAT target to nftables.
Examples:
$ sudo ip6tables-translate -t nat -A postrouting -o eth0 -p tcp -j SNAT --to [fec0::1234]:80
nft add rule ip6 nat postrouting oifname eth0 ip6 nexthdr tcp counter snat fec0::1234 :80
$ sudo ip6tables-translate -t nat -A postrouting -o eth0 -p tcp -j SNAT --to [fec0::1234]:1-20
nft add rule ip6 nat postrouting oifname eth0 ip6 nexthdr tcp counter snat fec0::1234 :1-20
$ sudo ip6tables-translate -t nat -A postrouting -o eth0 -p tcp -j SNAT --to [fec0::1234]:123 --random
nft add rule ip6 nat postrouting oifname eth0 ip6 nexthdr tcp counter snat fec0::1234 :123 random
$ sudo ip6tables-translate -t nat -A postrouting -o eth0 -p tcp -j SNAT --to [fec0::1234]:123 --random-fully --persistent
nft add rule ip6 nat postrouting oifname eth0 ip6 nexthdr tcp counter snat fec0::1234 :123 fully-random,persistent
Signed-off-by: Shivani Bhardwaj <shivanib134@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch provides the userspace part for snat in order to make
randomize-full support available in {ip,nf}tables. It allows for
enabling full port randomization that was motivated in [1] and
introduced to the kernel in [2].
Joint work between Hannes Frederic Sowa and Daniel Borkmann.
[1] https://sites.google.com/site/hayashulman/files/NIC-derandomisation.pdf
[2] http://patchwork.ozlabs.org/patch/304306/
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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correct parsing of IPv6 port NAT without address NAT,
assume one colon as port information.
Allows:
* address only:
-j DNAT --to affe::1
-j DNAT --to [affe::1]
* port only
-j DNAT --to :80
-j DNAT --to :80-110
-j DNAT --to []:80
-j DNAT --to []:80-110
* address and port
-j DNAT --to [affe::1]:80
-j DNAT --to [affe::1]:80-110
Signed-off-by: Ulrich Weber <ulrich.weber@sophos.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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