LinuxSecurity Contributors writes "David Lechnyr submitted a paper he wrote on how to use /proc to tune network security settings.
"In additional to firewall rulesets, the /proc filesystem offers some significant enhancements to
your network security settings. Unfortunately, most of us are unaware of anything beyond the
vague rumors and advice we've heard about this beast. In this article, we'll review some of the
basic essentials of the /proc/sys/net/ipv4 filesystem necessary to add to the overall network
security of your Linux server. "
March 3, 2002