Re: VNC to N3 network?

And can be blocked by protocol (for example vnc protocol) too, beside 
the port you use.



Greets.


El 25/11/2010 21:09, Philip Herlihy escribió:
> Yes it can be blocked.  Any decent firewall can block an outgoing port as
> well as an incoming one, and a properly secured system will have blocked
> anything not positively known to be needed.
>
> Good luck!
>
> Philip Herlihy	
>
> -----Original Message-----
> From: Paul Dunn [mailto:[email protected]]
> Sent: 25 November 2010 19:55
> To: VNC list
> Cc: Philip Herlihy
> Subject: Re: VNC to N3 network?
>
> On 25/11/2010 14:40, Philip Herlihy wrote:
>> Your best bet is using a listening client and initiating a session from
> the
>> controlled machine.
> This is my fallback plan, but it's so inconvenient that it probably
> wouldn't be worth it. I don't think this could be blocked - could it?
> The surgery computer can always see outside N3 on a browser, so
> presumably tunnelling on 80/443 should be fireproof.
>
> The issue for incoming connections, as you point out, is authorisation.
> It's possible to get authorisation, but it's next to impossible to find
> out *how* to get authorisation. This is what I've been googling for.
> There are half-a-dozen commercial solutions that do exactly this, but I
> can't find anyone at N3, or any technical docs, to tell me what's
> involved or who to apply to. You can apply to use an existing
> third-party commercial solution, but that's it. The third-party
> solutions have various problems, apart from price - some only encrypt
> between the surgery computer and the N3 gateway, some use offshore/US
> servers, and so on. End-to-end vnc/ssh is my preferred solution.
>
> So, what I was hoping was that someone here has already been through the
> pain, and found out how to apply to get through the gateway, or how to
> get through without finding someone to apply to...
>
> -Paul
>
>
>
>
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