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06-29-2009, 09:43 AM #1Junior Guru
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How to Check if this Port is Blocked or Open
Hello,
I want to check if certain port is open and not blocked by my ISP how can I do that ?? let's say I want to check if PPTP VPN port is open what software show me these info
can you suggest something ??
thanks
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06-29-2009, 11:29 AM #2Web Hosting Master
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Do you mean on your server or your own computer?
You can do a telnet test or get a program that checks the ports that are open.PlatinumServerManagement (also known as PSM)
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06-29-2009, 12:52 PM #3Junior Guru
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06-29-2009, 01:13 PM #4Web Hosting Master
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Easiest way is to try and telnet to a pptp vpn and see if the connection is allowed to make it as far as the vpn server.
If you are doing vpn in particular make sure your router is also not blocking it and has a vpn pass through mode. Generally it is enabled by default but not always.John W, CISSP, C|EH
MS Information Security and Assurance
ITEagleEye.com - Server Administration and Security
Yawig.com - Managed VPS and Dedicated Servers with VIP Service
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06-29-2009, 01:27 PM #5Junior Guru
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thank you guys
I found this site for checking live ports looks very good tool
http://www.yougetsignal.com/tools/open-ports/
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06-29-2009, 01:36 PM #6Web Hosting Master
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That is for inbound port checking, not outbound. That will just see if your ISP blocks it going into your computer, not out.
John W, CISSP, C|EH
MS Information Security and Assurance
ITEagleEye.com - Server Administration and Security
Yawig.com - Managed VPS and Dedicated Servers with VIP Service
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06-29-2009, 01:37 PM #7Junior Guru
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