Yep, but there are interesting ways to do things still, like STUN and SOCKS 
bindings if you have a proxy of your own out there you can generally setup 
the tunnel inside most PaaS. Generally though the PaaS is stuck to 
preallocating port/host pairs and charging for them since most don't give 
you a full fledged IP.

On Wednesday, November 7, 2012 12:27:29 PM UTC-6, Matt Sergeant wrote:
>
> The problem these PaaS providers face is that http (and even https with 
> SNI) allow you to route incoming requests by hostname on a single IP 
> address.
>
> Other TCP services (generally) do not allow this, forcing the provider to 
> give you a unique IP address. This is relatively straightforward for 
> someone like Amazon who have several /15s available to them (131k IP 
> addresses each), but much more complicated for other PaaS providers.
>
> On Wed, Nov 7, 2012 at 11:58 AM, Evan <[email protected] <javascript:>>wrote:
>
>> I've been looking for a PaaS provider with the same requirements as well, 
>> and haven't had much luck.  I've tried appFog, Heroku, no.de (when 
>> it existed), and Nodejitsu and they all limit you to 1 (randomly assigned) 
>> http/s port.
>>
>
>

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