From f1b8fa9fa5865c58c093cde6d782104c22df9088 Mon Sep 17 00:00:00 2001 From: Andreas Roeseler Date: Mon, 29 Mar 2021 18:45:29 -0700 Subject: net: add sysctl for enabling RFC 8335 PROBE messages Section 8 of RFC 8335 specifies potential security concerns of responding to PROBE requests, and states that nodes that support PROBE functionality MUST be able to enable/disable responses and that responses MUST be disabled by default Signed-off-by: Andreas Roeseler Signed-off-by: David S. Miller --- include/net/netns/ipv4.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include') diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index d377266d133f..9c8dd424d79b 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -84,6 +84,7 @@ struct netns_ipv4 { #endif u8 sysctl_icmp_echo_ignore_all; + u8 sysctl_icmp_echo_enable_probe; u8 sysctl_icmp_echo_ignore_broadcasts; u8 sysctl_icmp_ignore_bogus_error_responses; u8 sysctl_icmp_errors_use_inbound_ifaddr; -- cgit v1.2.3