Security Now with Steve Gibson and Leo Laporte

Jul 13th 2006

Security Now 48

Your Questions, Steve's Answers #9

Does a firewall slow you down? One of a dozen questions Steve answers.
Records live every Tuesday at 4:30pm Eastern / 1:30pm Pacific / 20:30 UTC.
Category: Help & How To

On this episode, as on all episodes divisible by four, Steve answers listener questions, including:

  • Is home banking safe? How about Paypal?
  • Does a firewall slow down my network?
  • What's an intrusion prevention system?
  • Can rootkits bypass firewalls?
  • How can I protect myself against a denial of service attack?
  • Can the HOSTS file get too big?
  • Monitoring traffic on Hamachi
  • Opening port 8080
  • How does that site know my private IP address?
  • A plan to fight phishing dismissed
  • Can ISPs prevent IP address spoofing?
  • Are ad banners or web mail messages included in the Trusted Sites settings when they appear on a trusted site?

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For 16kpbs versions, transcripts, and notes, visit Steve's site:, also the home of the best disk maintenance and recovery utility ever written Spinrite 6.