what is alg.exe or applicaation layer gateway service?

  • Thread starter Thread starter Josh Daniels
  • Start date Start date
J

Josh Daniels

Hi. My firewall alerts me everytime at startup that
alg.exe or "Application Layer Gateway Service" is trying
to access the Internet. I only got this after installing
Windows XP SP1. What is it and what does it do? It says
it is made by Microsoft Corporation and is in my SYSTEM32
folder.
 
It's a helper service used by Internet Connection Sharing
and associated services. Where and what port does the
firewall say it is accessing?
 
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