Re: 2.6.11-rc2 TCP ignores PMTU ICMP (Re: Linux 2.6.11-rc2)

[Patrick McHardy <kaber@xxxxxxxxx>]

David S. Miller wrote:

> I've forwarded this to netfilter-devel for inspection.
> Thanks for collecting all the data points so well.
Here is the fix for everyone. Please report back if it doesn't
solve the problem. Thanks.


===== net/ipv4/netfilter/ip_nat_proto_tcp.c 1.10 vs edited =====
--- 1.10/net/ipv4/netfilter/ip_nat_proto_tcp.c  2005-01-17 23:00:55 +01:00
+++ edited/net/ipv4/netfilter/ip_nat_proto_tcp.c        2005-01-28 02:13:06 
+01:00
@@ -105,7 +105,7 @@
                return 0;
 
        iph = (struct iphdr *)((*pskb)->data + iphdroff);
-       hdr = (struct tcphdr *)((*pskb)->data + iph->ihl*4);
+       hdr = (struct tcphdr *)((*pskb)->data + hdroff);
 
        if (maniptype == IP_NAT_MANIP_SRC) {
                /* Get rid of src ip and src pt */