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how to determine which outbound ports are blocked?

 
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mvl_groups_user
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Since: Aug 04, 2005
Posts: 4



PostPosted: Tue Oct 03, 2006 11:09 am    Post subject: how to determine which outbound ports are blocked?
Archived from groups: microsoft>public>windowsxp>work_remotely (more info?)

I am trying to remote (VNC) into my home computer from work.

I used a web site to test for open ports and confirmed that my I
configured my router to correctly allow inbound connections to my VNC
port (restricted to my work IP range).

However I can't access the computer from work. I suspect that my job
is blocking outbound connections other than port 80 (and maybe a few
other ones).

I'd rather not have my web-based VNC app running on port 80, so I'd
like to test what other outbound ports are opened at work. Is there
any free web site that has something like an outbound port-testing java
app to see what other ports might be available to me?

-MVL
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Sooner Al [MVP]
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Since: Feb 03, 2005
Posts: 1508



PostPosted: Tue Oct 03, 2006 2:47 pm    Post subject: Re: how to determine which outbound ports are blocked? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

I think you really need to work with the office network administrators on
this. If you have a legitimate reason to access your home PC from work I am
sure they will provide you with the required access. Otherwise its a bad
decision to circumvent company policies that preclude you from connecting a
trusted network (the office) to an untrusted network (your home PC). Don't
jeopardize your job...

--

Al Jarvi (MS-MVP Windows Networking)

Please post *ALL* questions and replies to the news group for the
mutual benefit of all of us...
The MS-MVP Program - http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no
rights...


wrote in message

>I am trying to remote (VNC) into my home computer from work.
>
> I used a web site to test for open ports and confirmed that my I
> configured my router to correctly allow inbound connections to my VNC
> port (restricted to my work IP range).
>
> However I can't access the computer from work. I suspect that my job
> is blocking outbound connections other than port 80 (and maybe a few
> other ones).
>
> I'd rather not have my web-based VNC app running on port 80, so I'd
> like to test what other outbound ports are opened at work. Is there
> any free web site that has something like an outbound port-testing java
> app to see what other ports might be available to me?
>
> -MVL
>
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firegeek



Joined: Jan 22, 2010
Posts: 1



PostPosted: Fri Jan 22, 2010 10:52 pm    Post subject: testing which outbound ports are open [Login to view extended thread Info.]

Try h**ttp://www.firebind.com

This site was specifically designed as an "outbound path scanner" to test outbound ports. You can use it to test any of the 65535 TCP ports to see if your PC can successfully reach the internet using that port. If the test is successful, then your application should be able to use that port as well.

-firegeek
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