port forwarding

10 pts.
Tags:
Microsoft Windows
Port forwarding
how to check open port on remote systems?

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You can use an application like Angry IP Scanner to scan the remote machine or network for open ports.

Here is the link:

<a href=”http://www.angryip.org/w/Home”>Angry IP Scanner</a>

Update:

This app scans for both TCP and UDP ports but there are tons of other out there, just have a quick google search.

Discuss This Question: 3  Replies

 
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  • Absolvent
    Or you can try with SuperScan application. A powerful connect-based TCP port scanner, pinger and hostname resolver.
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  • Labnuke99
    nmap is an excellent tool for scanning ports on even firewalled systems - Use NMap to quickly scan a large subnet for MAC or IP addresses - even firewalled systems! Also, if the port is a TCP port, simply use telnet to see if the port is open: telnet ip port. If the port is open, a blank screen will presented. If not open, then an error message will be returned.
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  • carlosdl
    Keep in mind that some port scanners are detected as malware by some antivirus programs.
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