[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:
parent
aa584eda5d
commit
45241a7a07
|
@ -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);
|
||||
|
||||
|
|
Loading…
Reference in a new issue