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Assign firewall ports instead of random in telepresence m100

JeanJean
Frequent Visitor

Assign firewall ports instead of random in telepresence m100

The release notes for m100 indicate a few random ports are used for certain protocols.  (See page 21)  Our network firewall appliance requires a set port allotment, and our security protocols do not allow for an open machine.  We also would like to use this telepresence m100 on multipe machines, so a DMZ isn't an option either.  Is there a way to assign a port to H.225.* and H245, and probably binary flow control.  Maybe the Dialing Scheme too, but I'm happy to try one at a time.

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Kendo
Polycom Employee

Re: Assign firewall ports instead of random in telepresence m100

The simple answer is that it’s random.

 

Have you tried upgrading to the latest m100 software 1.0.5?  There is a fix for receiving calls when behing a NAT.

Ken
Polycom
Sr. Product Support Technician
Message 2 of 3
JeanJean
Frequent Visitor

Re: Assign firewall ports instead of random in telepresence m100

I know its random. Is there anyway to change/make a config file to assign ports? Maybe change a java.class port var to a set number instead of random? NAT traversal doesn't help, as these machines have public IPs. We do have a firewall further up the pipe. This firewall has static rules to protect all the machines on the inside. We have the media ports open as we still use PVX, which used assigned ports very well. Opening random ports may work for small private LANs and SOHO routers, but is too risky for our scenario. We need a port or two open to listen for incoming calls too, not just opened on the way out.
Message 3 of 3