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authorYasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>2006-01-05 12:28:57 -0800
committerDavid S. Miller <davem@davemloft.net>2006-01-05 12:28:57 -0800
commite8eaedf2f8b368c26aa31a5a5a623b6867ef7f2b (patch)
tree3085c59beafdf6add373be3cc484c8ce510e615a
parent0ae2cfe7f3d88f061aa2656c7e881d3a0697d622 (diff)
downloadop-kernel-dev-e8eaedf2f8b368c26aa31a5a5a623b6867ef7f2b.zip
op-kernel-dev-e8eaedf2f8b368c26aa31a5a5a623b6867ef7f2b.tar.gz
[NETFILTER]: Use HOPLIMIT metric as TTL of TCP reset sent by REJECT
HOPLIMIT metric is appropriate to TCP reset sent by REJECT target than hard-coded max TTL. Thanks to David S. Miller for hint. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/netfilter/ipt_REJECT.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index f057025..6693526 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -203,7 +203,7 @@ static void send_reset(struct sk_buff *oldskb, int hook)
sizeof(struct tcphdr), 0));
/* Adjust IP TTL, DF */
- nskb->nh.iph->ttl = MAXTTL;
+ nskb->nh.iph->ttl = dst_metric(nskb->dst, RTAX_HOPLIMIT);
/* Set DF, id = 0 */
nskb->nh.iph->frag_off = htons(IP_DF);
nskb->nh.iph->id = 0;
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