diff options
| author | Bart De Schuymer <bdschuym@pandora.be> | 2006-01-10 13:13:45 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-01-30 22:42:30 -0800 |
| commit | 03e75b58859a910bd75ab7d9e6b729391d2d83c3 (patch) | |
| tree | da8317886113fa2621e10b7e704c49368f19fb70 | |
| parent | b31dce1543d61c980f2264f91c73ece0dccd09b6 (diff) | |
[PATCH] Don't match tcp/udp source/destination port for IP fragments
Signed-off-by: Bart De Schuymer <bdschuym@pandora.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | net/bridge/netfilter/ebt_ip.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/bridge/netfilter/ebt_ip.c b/net/bridge/netfilter/ebt_ip.c index 7323805b9726..f158fe67dd60 100644 --- a/net/bridge/netfilter/ebt_ip.c +++ b/net/bridge/netfilter/ebt_ip.c @@ -15,6 +15,7 @@ #include <linux/netfilter_bridge/ebtables.h> #include <linux/netfilter_bridge/ebt_ip.h> #include <linux/ip.h> +#include <net/ip.h> #include <linux/in.h> #include <linux/module.h> @@ -51,6 +52,8 @@ static int ebt_filter_ip(const struct sk_buff *skb, const struct net_device *in, if (!(info->bitmask & EBT_IP_DPORT) && !(info->bitmask & EBT_IP_SPORT)) return EBT_MATCH; + if (ntohs(ih->frag_off) & IP_OFFSET) + return EBT_NOMATCH; pptr = skb_header_pointer(skb, ih->ihl*4, sizeof(_ports), &_ports); if (pptr == NULL) |