I've been using BitDefender since 3 years ago and never had this problem. Recently I purchased BD Total Security 2010 and now my RealVNC connection to my office does not work.
My configuration of the programs involved is as follows:
Windows 7 Professional
Cisco VPN Client 5.0.05.0290
BitDefender Total Security 2010
RealVNC Enterprise 4.5.1
- I connect from my home (192.168.1.101) to my office using Cisco VPN Client 5.0.05.0290 and that works fine. When the Cisco VPN Client connects, I get assigned a fixed IP: 192.168.25.118. There is a rule in the office firewall that only permits my connection using ports 5900 and 5800 (the ones used by RealVNC) to my desktop (10.12.0.103).
- The new network (192.168.25.0) is detected by Bitdefender and I set both networks (my internet home connection and the new office network) as FULL TRUST.
- Whenever I click the existing VNC connection the program says:
"Attempting to connect to host..."
After 20-30 seconds or so, it says:
"failed to connect: Connection timeout (10060)"
- I tried adding rules, resetting rules and adding them again, with no luck.
- So far the only way I can make everything work fine is completely disabling the bitdefender firewall.
CONCLUSION:
There is something wrong with the bitdefender firewall, that even having all programs involved as ALLOW on any port, the VNC connection still gets blocked.
ADDITIONAL INFORMATION:
- I completely disable the bitdefender firewall and connected to my office.
- Run RealVNC and connect to my desktop fine and start working without any problem.
- Reenabled the bitdefender firewall while still connected to the office and my desktop.
- After 2-3 seconds the connected session freezes completely.
And remember that I didn't have any problem at all with BitDefender Total Security 2008 or 2009.
If you need any additional information, please let me know.
Waiting for an answer,