Linux Firewall - the Traffic Shaper
As most readers know, the firewall is a fundamental component of all computer security strategies. The firewall is positioned between the 'always-on' Internet connection provided by the local Internet Service Provider (ISP) and the Internet connection. It examines incoming and outgoing packets, marks them according to some criteria and allows or denies access based on the firewall's policy. However, the simple firewall is not only restricted to safeguarding the user's valuable information - it can also optimize the user's bandwidth.
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