We have no explicit signal when a UDP stream has terminated, peers just
stop sending.
For suspected stream connections a timeout of two minutes is sane to keep
NAT mapping alive a while longer.
It matches tcp conntracks 'timewait' default timeout value.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
default 30
nf_conntrack_udp_timeout_stream - INTEGER (seconds)
- default 180
+ default 120
This extended timeout will be used in case there is an UDP stream
detected.
static const unsigned int udp_timeouts[UDP_CT_MAX] = {
[UDP_CT_UNREPLIED] = 30*HZ,
- [UDP_CT_REPLIED] = 180*HZ,
+ [UDP_CT_REPLIED] = 120*HZ,
};
static unsigned int *udp_get_timeouts(struct net *net)