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Program to find out if ports are open.

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by sdschafer

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I am a network administrator for a medium sized company. We have remote offices and some users that work from home. We host a Citrix ICA connection on our intranet and some users that have DSL and cable modems are having trouble logging into the Citrix connect. We suspect that it is because the IP has blocked the ports that we use for the Citrix connection. Does anyone know of a small program/tool that if placed on the home computer will allow the user to tell if the 2 ports we use for the Citrix connect are blocked. Thank you.

8 replies

by sdschafer

I needed something that would go out to the IP's router since the user would not know the IPs router address to see what ports are open

by joseph moore

There are dozens and dozens of port scanners out there.
NMAP is my personal favorite, but running it on a normal user computer might prove to be to daunting to the user. NMAP is command-line based (unless you get NMAPWIN, a GUI for the Windows version of NMAP) and requires its own IP packet driver.
www.foundstone.com has a very nice GUI portscanner called SuperScan. You could have your users download and instal it. It is very easy to use, with buttons and such.

hope this helps

by sdschafer

I needed something that would go out to the IP's router since the user would not know the IPs router address to see what ports are open

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