[sldev] Uh... what was with the sudden voice release?

Lawson English lenglish5 at cox.net
Sat Aug 4 10:27:25 PDT 2007


SL - Farallon Greyskin wrote:
>> What worries me is that it really is essentially a randomly selected 
>> port in a range of thousands of possibles - which is really going to 
>> limit any use on corporate and quite a few academic networks. Asking 
>> the firewall team to open half a dozen outgoing ports on a firewall 
>> is one thing, but asking them to open thousands is quite another.
>
> Matthew
>
>> That's just an aside from the current issue though, which is that the 
>> Vivox servers appear to be in charge of port assignment and other 
>> then through guess and check reverse engineering there isn't a solid 
>> way to figure out what the networking requirements for this service 
>> are. In all fairness though it isn't any worse than Skype's port 
>> hopping protocol.
>>
>> John Hurliman
>
> This sort of thing used to be a major PITA to be sure :(
>
> These days firewalls a generally more sophisticated though and though 
> stateful inspection on perimeter firewalls and application approval on 
> local firewalls its not as big a problem as it used to be thankfully. 
> Skype is a good example...
>
> Not as good as if it were more predictable, but pretty much the same 
> as the other VOIP options they are already having to deal with.
>
> Also, /so far/ it looks like most if not all the problems  with voice 
> connecting and disconnecting and not reaching the servers has actually 
> been LL's servers that have been the problem. Many people have turned 
> off their firewalls completely (stupid but...) and it in most if not 
> all cases it did not help at that moment in time. :(

I turned off my firewall as a test, after simply opening specific ports 
didn't work. I turned it right back on, thanks.



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