Hi, all:
First sorry for my so bad English, i am french and i dont speak english very well.
I dont understand what happen, and i am sure you can help me.
On one side, I have ULTRAVNC server on one PC (XP SP2) behind a USR8000A (8000-03) Broadband Router and a modem (ALCATEL SPEED TOUCH HOME).
On the other side, my father who lives near me (6 km) has a PC (XP SP2) with ULTRAVNC server and directly behind a modem (Fast 800 i think).
Since yesterday, i cant connect with ULTRAVNC viewer to his PC. message is "Failed to connect to server". When i try to ping to his PC, i dont see it ( and IP adress is good !!)
But HE can connect to my PC with the viewer ....
Do you have any ideas ?
Thanks for your responses.
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Setting up ULTRAVNC to access through a router / modem ADSL
most likely cause -
He just upgraded to XPSP2 or bought a firewall. Which when he tries to connect to you the port is initiated on his computer - hence with the security from xpsp2 or firewall it is opened up.
When you try to connect to him - the port is not initiated on his side meaning he doesnt know why person X.X.X.X on the internet is trying to connect to him via port XXXXXXX.
He will have to specify the port on his XPSP2 Firewall or his software firewall.
He just upgraded to XPSP2 or bought a firewall. Which when he tries to connect to you the port is initiated on his computer - hence with the security from xpsp2 or firewall it is opened up.
When you try to connect to him - the port is not initiated on his side meaning he doesnt know why person X.X.X.X on the internet is trying to connect to him via port XXXXXXX.
He will have to specify the port on his XPSP2 Firewall or his software firewall.