How do the ICMP ratelimit tunables apply to IPv4 and IPv6?
Issue
- How do the ICMP ratelimit tunables apply to IPv4 and IPv6?
- What options are available to ratelimit ICMPv4 and ICMPv6?
- Do the
icmp_msgs_burstandmsgs_per_secsysctl apply to just v4 or also v6? - How do the following sysctls work:
net.ipv4.icmp_msgs_burst = 50
net.ipv4.icmp_msgs_per_sec = 1000
net.ipv4.icmp_ratelimit = 1000
net.ipv6.icmp.ratelimit = 1000
Environment
- Red Hat Enterprise Linux 8
- IPv4 and IPv6 using ICMP (ICMPv4 and ICMPv6)
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