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Application proxy firewall features and functionalities

Learn how using application proxy firewalls can enhance network security in this Network Security Ask the Expert Q&A.

Are there any reasonable services that will allow me to filter, dig for worms, perform packet filtering and implement policies on a proxy?
It sounds like you're looking for a modern application proxy firewall. There are a number of these available, including Secure Computing's Sidewinder G2. Application proxies meet all of the requirements you outlined. They implement basic firewall functionality, including packet filtering, allow you to perform content filtering (sometimes as an optional component) and facilitate scanning for malicious code, such as worms.

More information on application firewalls:

  • Weigh the pros and cons of application firewalls
  • Reviews types of application firewalls and how to tune them for your organization's environment.
  • This was last published in August 2006

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