Linux firewall-related /proc entries

Tuesday, 15 July 2003, 7:41 AM EST

Most people, when creating a Linux firewall, concentrate soley on manipulating kernel network filters: the rulesets you create using userspace tools such as iptables (2.4 kernels,) ipchains (2.2 kernels,) or even ipfwadm (2.0 kernels).

However there are kernel variables -- independent of any kernel filtering rules -- that affect how the kernel handles network packets. This article will discuss these variables and the effect they have on the network security of your Linux host or firewall.

[ Read more ]

Related items




Spotlight

More than a third of employees would sell company data

35 percent of employees would sell information on company patents, financial records and customer credit card details if the price was right. This illustrates the growing importance for organizations to deploy data loss prevention strategies.


Weekly newsletter

Reading our newsletter every Monday will keep you up-to-date with security news.
  



Daily digest

Receive a daily digest of the latest security news.
  
DON'T
MISS

Fri, Jul 31st
    COPYRIGHT 1998-2015 BY HELP NET SECURITY.   // READ OUR PRIVACY POLICY // ABOUT US // ADVERTISE //