net: add sysctl for enabling RFC 8335 PROBE messages
authorAndreas Roeseler <andreas.a.roeseler@gmail.com>
Tue, 30 Mar 2021 01:45:29 +0000 (18:45 -0700)
committerDavid S. Miller <davem@davemloft.net>
Tue, 30 Mar 2021 20:29:39 +0000 (13:29 -0700)
commitf1b8fa9fa5865c58c093cde6d782104c22df9088
treeef07fd170fd9cbc12478bf4dc4a28882054aaa45
parent750f4fc2a12f6632b5aa04526bf57fa06bfe8467
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 <andreas.a.roeseler@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Documentation/networking/ip-sysctl.rst
include/net/netns/ipv4.h
net/ipv4/sysctl_net_ipv4.c