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Quitch -> Interpreting ISA 2004 reports (10.Aug.2009 8:22:43 AM)
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So I'm trying to pull useful information from ISA 2004, but thus far either the documentation is lacking or my search skills are as I can't find some information on what certain terms or graphs actually represent. To take my top issues:
- Why are so many object types unknown (it's always the top type)? I've seen a number of logs where the remote server is ignoring the formats which ISA can handle, but I don't know if this is related.
- How extensive is ISAs browser knowledge? Should I take unknowns to be the limited number of Firefox 3-3.5 installs, or is it more likely automated downloads via tools like WSUS?
- How does ISA determine the client operating system?
- What is the difference between web and application traffic?
- Why can top destinations have traffic amounts far in excess of top websites? I have one destination registering at 8GB (by IP, but I know the URL it will be), yet it's not represented on the top website list at all.
Hopefully you can help so I can make better use of these reports. At the moment I'm not sure how to interpret some of the figures.
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