netstat -na | grep 554 to see what address your binding to. netstat -na |
find /I "554" for windoz.

then use nc or telnet to test the port "nc -v 554" from the source host.

also could try nmap -v -p80 destination address


On Wed, Apr 23, 2014 at 2:00 PM, David Schwartz
<newsletters@thetoolwiz.com>wrote:

> I’m working on a little app that connects to an RTSP server to stream
> video files.
>
> The work is being done inside of a Parallels 8 VM on Mac OS X (latest
> version). (A MacBook Pro.)
>
> I have a Windows XP (SP3) VM and just created a Win 7 VM.
>
> I loaded VLC into both OS X and inside of the VMs. VLC does open and
> stream video channels in all cases.
>
> However, when I try running or debugging my app inside of either VM, I get
> a socket error when it tries to open the connection. (The port is usually
> 554.)
>
> I also loaded up the dev environment on a Win 7 laptop, and everything
> works just fine there, too.
>
> So my tentative conclusion is there may be a port blocked between the VM
> and the Host. But the fact that VLC runs inside of the VM suggests
> otherwise.
>
>
> On a related note, I installed Darwin on my Mac laptop (OS X) and while it
> seems to have launched ok, I cannot seem to stream from it. I can connect
> to it, but nothing is streamed out.
>
> The console URL is at: http://127.0.0.1:1220, so I assume I connect to it
> at the same IP address but port 554. Is this correct?  (maybe rtsp://
> 127.0.0.1:554/<file_to_stream>)
>
> Thanks!
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