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Too Many Open Internet Connections Problem !!


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Captain Furious's Avatar
Captain Furious Captain Furious is offline
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26-May-2009, 02:25 PM #1
Too Many Open Internet Connections Problem !!
Hi there,

Reently my internet was running very very slow. Its back up and running now and no problems but when it was being tested by my internet provider they advised I had 13 open internet connections. They advised I need less than 10 for the net to run efficiently. When I'm online using Mozilla I can only see my Anti Virus software Avast and google toolbar running as well so I'm confused and worried how there are 13 open. I am using Vista. The way they checked was Start>Command Prompt and entering netstat.....when I last tested it I had 13.....i am posting the latest...there are loads!!!

So is this anything to be worried about.....how can I tell what is connecting from my computer!!!

Thanks for any help

Richard
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yashiro81 yashiro81 is offline
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26-May-2009, 03:13 PM #2
Are you on a Wireless LAN?
Courtneyc's Avatar
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26-May-2009, 03:29 PM #3
First of all, you test by doing a "netstat -a". That will show you open ports. The port number is the number after the colon. Open ports are ESTABLISHED (talking to another service), LISTENING (waiting for a connection, but not actually open), and an asterisk (a UDP connection, such as talking to a router or a DNS server).

If an ESTABLISHED port has a loopback address (127.0.0.1, or 2 colons) on the left side, and your computer name on the right, that is a program talking to another service on your computer. It is not going through the Internet.

If you install a firewall, all those ports that are set as LISTENING will be hidden from the outside world and will become ESTABLISHED only if you initiate the connection. (That's what a firewall is for.)

13 connections is not an outrageous amount. Most folks have way more than that on a normal day. Heck, IE can open 10 simultaneous ports for each server you connect to.

By doing a "netstat -a", anything that says ESTABLISHED is coming from your computer. That doesn't mean that your computer initiated the connection. That why we use firewalls. Even the firewall that comes with Vista will prevent programs that you don't set up from making connections.

If you are really worried about programs connecting to the Internet unsupervised, get rid if that Google Toolbar.

In short, based on what you posted, there is nothing unusual going on but I am curious of what program is using port 12080 to death. You can find out by running "netstat -o", noting the PID, then going to your Task Manager, Services and seeing what service is using it.

Courtney
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Captain Furious Captain Furious is offline
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26-May-2009, 04:44 PM #4
Hi Courtney,

Thanks very much for your advice. I have run netstat -o but what is the PID ? is it the 4 digit number? also, on Vista how do I open my Task Manager and Services.....I have had a try but am struggeling there!!

Thanks
Captain Furious's Avatar
Captain Furious Captain Furious is offline
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27-May-2009, 02:00 AM #5
that was a stupid question! I do know how to run task manager! late night obviously. I have brought up task manager and shows PID but I cant see what is the PID on netstat -o.......if its the 4 digit code at the end its not showing on task manager.
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