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RealVNC NAT question

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Name: de049
Date: February 19, 2007 at 06:52:02 Pacific
OS: XP SP 2
CPU/Ram: 1gb
Product: vaio
Comment:

Hi all,

I am having issues with my realVNC. If i use the web java client, via default port 5800, its fine. If i change the port tosay 11111 it no longer works. The java login appears, but it never gets as far as the password prompt. I have changed the ports on the server itself to expect incoming web connection on port 11111, and also on Windows firewall.

Why does it fails when i specify a port other than 5800 for the web based client???? Does it HAVE to be via port 5800?????

Many thanks



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Response Number 1
Name: wanderer
Date: February 19, 2007 at 08:10:23 Pacific
Reply:

http://www.realvnc.com/faq.html#port

Give a person a fish, they eat for a day. Suggest they internet search and they learn a skill for a lifetime.


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Response Number 2
Name: de049
Date: February 20, 2007 at 02:09:19 Pacific
Reply:

I had already read this. Doesn't really cover why i get authentication failure when i change settings on my Cisco router to translate outside 5800 to inside 11111.

Thats when it fails....


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Response Number 3
Name: wanderer
Date: February 20, 2007 at 08:34:59 Pacific
Reply:

What are you doing with port 5900? Are you forwarding/translating it also?

Give a person a fish, they eat for a day. Suggest they internet search and they learn a skill for a lifetime.


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Response Number 4
Name: de049
Date: February 21, 2007 at 00:38:03 Pacific
Reply:

I am forwarding port 5900 (VNC viewer) in exactly the same manner as i am the 5800 (VNC http) but to 2 different ports (obviously). The Viewer connects perfectly fine, but the web viewer manages to connect, pormpts me for the host/server, but when i press ok to this, the Password box never appears. Instead i get a Java socket error:network unreachable error. Very weird.

If i then remove the NAT, and route it straight to its default port (5800), it connect perfrectly.

Any ideas. I'm starting to think you are not allowed to port forward on 5800, maybe due to Java, etc.


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