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[NETFILTER]: nf_nat_sip: don't drop short packets 

Don't drop packets shorter than "SIP/2.0", just ignore them. Keep-alives
can validly be shorter for example.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-08-14 13:14:58 -07:00 committed by David S. Miller
parent aa584eda5d
commit 45241a7a07
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/netfilter/nf_nat_sip.c
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@ -104,7 +104,7 @@ static unsigned int ip_nat_sip(struct sk_buff **pskb,
dataoff = ip_hdrlen(*pskb) + sizeof(struct udphdr);
datalen = (*pskb)->len - dataoff;
if (datalen < sizeof("SIP/2.0") - 1)
return NF_DROP;
return NF_ACCEPT;
addr_map_init(ct, &map);