tcp_mtu_probing

file: /proc/sys/net/ipv4/tcp_mtu_probing
variable: net.ipv4.tcp_mtu_probing
Official reference

Controls TCP Packetization-Layer Path MTU Discovery. Takes three values: 0 - Disabled 1 - Disabled by default, enabled when an ICMP black hole detected 2 - Always enabled, use initial MSS of tcp_base_mss.

source

Last update: 2018-12-09 18:93:01 UTC

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