[AG-TECH] Invisible Rat (AG2.3, RedHat 9 Linux)

Todd Zimmerman toddz at sfu.ca
Thu Dec 2 23:58:23 CST 2004

Hi Andrew,

This sounds like a firewall issue.  I believe Rat uses port 47000 to 
communicate to the user interface.

I need to accept all packets from my IP to udp port 47000 for the gui to 

See http://www-mice.cs.ucl.ac.uk/multimedia/software/rat/faq.html#mroute 
for more info.


Andrew Daviel wrote:
> I put AG 2.3 (from the UQ FC1 rpms) on a desktop running RedHat 9. When
> Rat runs, the UI never appears, though the ui and media tasks seem to be
> running OK. I tried both the AG2.3 and AG2.2 Rat (on other machines I've
> had problems with the Alsa patched Rat; one one alsaconfig says "no
> cards" but OSS runs fine...), and along the way I found that if iptables
> stops Rat talking to 224.something it hangs until it can. But this is a
> different problem - the Rat from VRVS works OK. In fact, I've packaged
> that one into AudioService.zip and it works, but I'd like to solve the
> problem as the interface is slightly different - handling of spaces in
> venue names, codec support etc.
> Launching it by hand (cd .AccessGrid/local_services/AusioService ;
> ./rat ) doesn't work either; but the equivalent
> cd .VRVS/mbone ; ./rat ... is OK
> Any ideas ?

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