Re: [Iaxclient-devel] firewalls and TCP connections ... ?

[Steve K. <st...@st...>]

Chris G. Nicholas wrote:

>If this is already done, packaged, and reasonably priced, and can still work with the other free iax clients and servers, sounds like a way to go...
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>Can you provide more info on this setup?
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Unfortunately, our solution is not for sale, but you can probably find 
other similar solutions with your friend google:

I think zebedee does this; it can even encrypt/compress things 
[compression probably not too helpful].
http://www.winton.org.uk/zebedee/


Also This might work:
http://tunnel.mrq3.com/


>thanks!
>Chris  
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>-----Original Message-----
>From:	Steve Kann [mailto:st...@st...]
>Sent:	Thu 5/20/2004 9:23 AM
>To:	Chris G. Nicholas
>Cc:	iax...@li...
>Subject:	Re: [Iaxclient-devel] firewalls and TCP connections ... ?
>Chris G. Nicholas wrote:
>
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>>just learning about Asterix; cool!
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>>Apologies in advance if this has been answered before.  
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>>Even though I fully realize TCP/IP connections suck compared to UDP for streaming media, unfortunately the only port one can generally count on, particularly at industry conferences, is outbound port 80 using TCP connections from behind a NAT.  (hence the famous John Walker 'speakfree' end-of-life lament...)
>>
>>Just wondering if anyone has thought about the feasibility of a TCP connection option in iaxclient, initially just connecting to an external/simple/stupid tunnel proxy that turns around and connects to an Asterix PBX, or even just building in port 80/TCP support into Asterix itself...
>> 
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>
>Actually, we do IAX over either straight TCP, or actual rfc-compliant 
>HTTP. 
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>Unfortunately, we do this with a proprietary program [external to 
>iaxclient], and can't release it, but I think there are similar 
>solutions available.  They don't need to be built into iaxclient to use 
>them.  The same reasons that make IAX work well with NATs make it work 
>fine with tunnels as well.
>
>
>So basically, what you need to do is this:
>
>          Client machine                     
>Network                            Server
>[Iaxclient <-UDP-> tunnel ]  [<- HTTP or TCP -> ] [ tunnel<-UDP-> asterisk ]
>
>The tunnel programs at either side are what you need, and it needs to 
>support UDP tunneling.
>
>-SteveK
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