I receive several messages daily from my firewall such as "a computer at einstein.phys.uwm.edu has attempted an unsolicited connection to TCP port 3808 on your computer". Can anyone shed light on why and whether this is legitimate? My projects seem to operate fine even though these attempts are intercepted and blocked by my firewall.

This would be better asked at E@H.

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Kathryn :o)

Something that might have to do with traffic quality control finding best routes. WCG does this at least. Rarely hear someone complaining and is addressed in their help pages.

Why did my firewall just log an attempt to access my computer right after I visited the World Community Grid website?
Some users have noticed, via their software firewall, that trace-route scans apparently coming from IBM domains occur after communicating with the World Community Grid server. These are in fact normal and not someone trying to break into your machine. These are used to measure which of several paths through the Internet give the best communication performance to your machine. The servers are located in a massive hosting center, which regularly optimizes traffic between users and the servers by shifting communications among several Internet providers, depending on the destination and trace-route measurements.

I asked the same question a while ago. I still get "New Not Syn" packets regularly from BOINC related sites that I interact with.

I still get "New Not Syn" packets regularly from BOINC related sites that I interact with.

I find NFS@Home is the worst project for being blocked by my firewall.

Al.