diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2026-02-18 16:46:38 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-02-18 16:46:38 -0800 |
| commit | b1216f1d667be672d1594e59c8c94b7669519711 (patch) | |
| tree | 09e7f57da5b7dff3303ebaa33babb4baff8a2efe /net/ipv6/af_inet6.c | |
| parent | 570e4549f63293ca4973ef367ff02554f3e3dfc2 (diff) | |
| parent | 9395b1bb1f14ae3fa1e4e2f7988f029cb1c009ed (diff) | |
Merge branch 'icmp-better-deal-with-ddos'
Eric Dumazet says:
====================
icmp: better deal with DDOS
When dealing with death of big UDP servers, admins might want to
increase net.ipv4.icmp_msgs_per_sec and net.ipv4.icmp_msgs_burst
to big values (2,000,000 or more).
They also might need to tune the per-host ratelimit to 1ms or 0ms
in favor of the global rate limit.
This series fixes bugs showing up in all these needs.
====================
Link: https://patch.msgid.link/20260216142832.3834174-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6/af_inet6.c')
| -rw-r--r-- | net/ipv6/af_inet6.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 31ba677d0442..69be0a67a140 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -952,7 +952,7 @@ static int __net_init inet6_net_init(struct net *net) int err = 0; net->ipv6.sysctl.bindv6only = 0; - net->ipv6.sysctl.icmpv6_time = 1*HZ; + net->ipv6.sysctl.icmpv6_time = HZ / 10; net->ipv6.sysctl.icmpv6_echo_ignore_all = 0; net->ipv6.sysctl.icmpv6_echo_ignore_multicast = 0; net->ipv6.sysctl.icmpv6_echo_ignore_anycast = 0; |