I'm trying to come up with a standard for when we install VNC on different customer's network (Server & clients) that we can access using port forwarding on their router. Is there any benefit in changing the default VNC port from 5900 to something else and then increment upwards for other client pcs on the network?
Is there a safer range of ports that you would recommend? eg 8000, 8001, 8002 etc. Anybody got some advice on this please?
If you have multiple internal LAN computers you want to access, then different ports for different internal computers is an option.
I do this with clients with 3 or 4 internal computers and I want to be able do directly connect to each. Use fixed IP's internally. I find it helpfule to use a port with the same last digits as the internal ip, like port 5947 for 192.168.0.47
To answer one of your questions, it is always best to change the default port ranges on remote access tools. Hackers always try the default port ranges first.
To avoid conflict, always check commonly used/reserved ports:
I have never seen any attempts to hack in to my system via VNC ports, my router monitor does see frequent attemts to hack in via smb, http, and other common service ports, fwiw, but dayve is correct it's probably better to use a non-standard port.
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Posted - 12 January 2005 : 22:15:59
