RE: [FW1] Opinion: Blocking hotmail, etc?

[Bernie Goldbach <stripes@FW1-NOSPAMiol.ie>]

Hi,

The best practise for controlling staff use of email services is to 
implement behavioural policies. You've spelled out the policy on using 
company resources and company time for company business. A few well-timed 
visits by management to desks of people who FW-1 reports as having more 
Hotmail sessions than others will change behaviour better than any other 
tactic. It requires less effort.

People using Hotmail establish a browsing pattern. Either the client is 
open all the time or it's open at predictable time slots. Your logs will 
tell you when to visit the employee for a chat.

You'll notice Hotmail sends a block of scans to various ports on your 
gateway so the banner ad hydrants can blast your router with pre-cached 
graphics on the next visit to Hotmail. In my experience, I get many more 
Hotmail-domain port scans than actual Hotmail sessions.

regards from Ireland,
Bernie Goldbach
www.topgold.com



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