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| author |   Eric Leblond <eric@inl.fr> | 2007-02-07 15:10:09 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@sunset.davemloft.net> | 2007-02-08 12:39:17 -0800 |
| commit | 41f4689a7c8cd76b77864461b3c58fde8f322b2c (patch) | |
| tree | 29be7597bc02158ca41261f365ebcbd8047dd56f /net/ipv4/netfilter/nf_nat_rule.c | |
| parent | [NETFILTER]: add IPv6-capable TCPMSS target (diff) | |
| download | linux-dev-41f4689a7c8cd76b77864461b3c58fde8f322b2c.tar.xz linux-dev-41f4689a7c8cd76b77864461b3c58fde8f322b2c.zip | |
[NETFILTER]: NAT: optional source port randomization support
This patch adds support to NAT to randomize source ports.
Signed-off-by: Eric Leblond <eric@inl.fr>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/netfilter/nf_nat_rule.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c index b868ee0195d4..3745efe70302 100644 --- a/net/ipv4/netfilter/nf_nat_rule.c +++ b/net/ipv4/netfilter/nf_nat_rule.c @@ -226,6 +226,10 @@ static int ipt_dnat_checkentry(const char *tablename, printk("DNAT: multiple ranges no longer supported\n"); return 0; } + if (mr->range[0].flags & IP_NAT_RANGE_PROTO_RANDOM) { + printk("DNAT: port randomization not supported\n"); + return 0; + } return 1; } |