• Symantec Norton Personal Firewall 2004
  Although this product does not have a trial version and its graphical user interface is not as friendly as others’ are, Symantec makes sure that it is continuously improving. Coming from a reputable company, Norton Personal Firewall administers network security very efficiently and reliably.
• TINY Personal Firewall
  This product is relatively new to the network security scene. It boasts its low RAM or memory usage. It features an interesting time-based rule, which is relevantly useful because you can schedule what packet filters will operate at a certain time of day. Just for the record, the US Air Force is using this product.

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