lots of system:8 connections in win2k using tcpview
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lots of system:8 connections in win2k using tcpview

 
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Posted: Fri Jan 14, 2005 3:32 am    Post subject: lots of system:8 connections in win2k using tcpview Reply with quote

Hi,
yesterday I was monitoring my windows 2000 connections using
sysinternals's TCPview and noticed something I didn't saw before.
There's a lot of system:8 connections while I'm using some programs
other then MS IE. It seems that every connections made by a program
also opens a system:8 connection (to the same IP)(except IE) with these
states : SYN_SENT or TIME_WAIT. When the connection is closed by the
program the system:8 connection is also closed. I know that netbios and
microsof-ds system:8 are normal (anyway my firewall blocks them) but
what about all the other connections? I don't recall seeing all those
connections (I can see more than 30 connections while using eMule, each
one is duplicated one for eMule and one for system:8), but maybe I was
just testing it while running IE. Can it be explained by the fact that
every application have to pass through the system to connect to the
internet ? I have an external linux firewall and I don't see anything
unusual when monitoring the connection with tcpdump.


Thanks in advance
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Guest






Posted: Fri Jan 14, 2005 7:12 am    Post subject: Re: lots of system:8 connections in win2k using tcpview Reply with quote

By the way, in addition to my external linux firewall, I have Sygate
Personal firewall and Avg Antivirus installed on my win2k machine. Can
one of these apps cause the system:8 connections?
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