"The Linux kernel and the distributions that package it
typically provide very conservative defaults to certain network
settings that affect networking parameters. These settings can be
tuned via the /proc filesystem or using the sysctl program. The
latter is often better, as it reads the contents of
/etc/sysctl.conf, which allows you to keep settings across
"The following is a snippet from /etc/sysctl.conf that may
improve network performance..."