What Router Is Blocking My TCP Traffic

Description

You need to know what router is blocking your Tcp traffic.

The problem with tracert is that it uses ICMP packets so if the communication is block by a router filtering using a TCP port you don’t know what it’s happening.

Solution.

1. download the following:

http://sourceforge.net/projects/tracetcp/files/

http://www.winpcap.org/install/default.htm

2. Install Winpcap.

3. Extract TraceTcp to c:\utils.

4. Press Windows Key +R, type cmd and press enter.

5. Type:

cd c:\utils

5. For example to know what router is blocking your port 80 to enter www.google.com just type:

tracetcp www.google.com:80