Solved

TCPView questions

Posted on 2011-03-07
1
331 Views
Last Modified: 2012-05-11
Hi

I have an application server, Server1, running on Windows 2008 Server. I have clients from many subnets connecting to it, some are on the same LAN, some are connecting across the WAN.

We often have connectivity issues so I was looking for a program/function that told me whether the server had actually recvd the connection from the client and what state it was in. I figured on Netstat but then came across TCPView.

I had some questions I was hoping someone could assist me with:

1. If I had a connection from a client at 192.168.1.246, is there a way to actually filter for this, or do I need to sort by IP address (Remote Address).

2. If I had a suspect connection from 192.168.2.123 and wanted to close this, what's the best way to do this?

3. I see there are connection states of:

Listening
Established
Close_Wait
Last_ACK

etc.

Does anyone have a handy link to explain what these mean?
0
Comment
Question by:chuckp2010
1 Comment
 
LVL 57

Accepted Solution

by:
giltjr earned 500 total points
ID: 35060775
1) TCPView has no filtering capabilities.



2) That I am aware of Windows does not have a way to terminate a specific active TCP connection.  I'm not sure, but I don't think *nix does either.

3) Although for the NETSTAT command it the same states: http://support.microsoft.com/kb/137984

You may want to look into Wireshark (http://www.wireshark.org).  This allows you to capture traffic and see what they are doing.  This allows you to filter on specific IP address (and TCP or UDP ports along with a lot of other filtering capabilities).
0

Featured Post

Netscaler Common Configuration How To guides

If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

ADCs have gained traction within the last decade, largely due to increased demand for legacy load balancing appliances to handle more advanced application delivery requirements and improve application performance.
When you try to share a printer , you may receive one of the following error messages. Error message when you use the Add Printer Wizard to share a printer: Windows could not share your printer. Operation could not be completed (Error 0x000006…
Viewers will learn how to connect to a wireless network using the network security key. They will also learn how to access the IP address and DNS server for connections that must be done manually. After setting up a router, find the network security…
After creating this article (http://www.experts-exchange.com/articles/23699/Setup-Mikrotik-routers-with-OSPF.html), I decided to make a video (no audio) to show you how to configure the routers and run some trace routes and pings between the 7 sites…

809 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question