Difference between revisions of "Tuning the Server"

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(more limits)
(Add max orphans)
Line 18: Line 18:


  net.core.netdev_max_backlog=10000
  net.core.netdev_max_backlog=10000
net.ipv4.tcp_max_orphan=40000


==== Security limits ====
==== Security limits ====

Revision as of 20:15, 11 December 2021

Increase ulimit

ulimit -n 65535

Sysctl

Increase the ports available

sysctl -w net.ipv4.ip_local_port_range="9000 65500"

And add this line to /etc/sysctl.conf

net.ipv4.ip_local_port_range=9000 65500

Increase max connections

sysctl -w net.core.somaxconn=324000

And add this line to /etc/sysctl.conf

net.core.somaxconn=324000
More limits
net.ipv4.tcp_max_syn_backlog=3240000
net.core.netdev_max_backlog=10000
net.ipv4.tcp_max_orphan=40000

Security limits

Add these lines to /etc/security/limits.conf

*               soft    nofile          65535
*               hard    nofile          65535