Have you disabled Remote Desktop? That causes problems as well. Just checking.
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Behalf Of [EMAIL PROTECTED] > Sent: Friday, April 28, 2006 4:49 PM > To: [email protected] > Subject: One-way connection only; Connection timed out in other > direction. > > > Hi! > First: I'm running VNC (4.11) internally in a private > network. While all nodes are connected to the same > switch/router which connects us to the Internet, we are not > going out to the Internet to make these connections; they are > direct, within the same network segment. I just wanted to > clarify that, as I see a lot of Q/A related to Internet/NAT > problems, which is not my case. > > Okay! Well, here is the setup: > Server: WinXP Home SP2 > Viewer: WinXP Pro SP2 > User-switching disabled on both (i.e. oldstyle logon screen) > Network: 172.16.0.0 > Router/Switch: SMC Barricade. I have also tried using a > simple, ordinary, hub (3Com), to eliminate the possibility > that switching, routing, firewalling, etc., could be at fault > > The server has Trend Internet Security (PC-Cillin), and both > have WinXP Firewall, BUT I have disabled all firewalls for > troubleshooting, including the one on the router. I have > looked at all of the firewall logs on both computers, and > have seen nothing realated. I have also tried disabling the password. > > I am able to initiate a connection from the Server to a > listening Viewer, but cannot reach the Server (running as a > service) from the Viewer. I can ping each computer from the > other, so routing is working. When sniffing (using Ethereal) > on the Viewer, I can see lots of traffic back and forth > between both computers (browse, SMB, ICMP, etc). When I > initiate a request from the Viewer, I see it go out (on port > 5900 - and I have tried other ports as well - ), but no > answer. If I initiate from the Server, I see the handshake go > through, and all connects with no problem. > > Here's an odd thing : I was initially getting "Connection > timed out" messages, and my sniffer was showing one-way > requests (SYN) only, but after initiating the successful > Server-side connection, and then disconnecting, my > Viewer-side connection produced a SYN (Viewer to Server), > then SYN, ACK (Server to Viewer), then ACK (V-S)... THEN... > FIN, ACK (S-V), ACK (V-S), FIN,ACK (V-S), ACK (S-V) and, > finally, a message box shows up saying "Connection Closed" > (or "terminated", or something like that... can't remember... > > Final oddity: VNC used to work before, between these specific > computers, running the same OS'es, configs, etc., and > suddenly stopped working without any apparent cause. It's > been a while since then, as I haven't had time till now to > look at it carefully, but I really can't think of any sorts > of system changes that could have had these results (but my > memory may be playing tricks!). I am pretty much the "System > Admin" in this house (yep, home setup). The Server is our > family computer, but no one is allowed to do any system > changes (no one ever does) or install anything without my > involvement/approval. The Viewer is my personal computer, and > NO ONE uses it; it's locked down tight. > > Well, Sorry for rambling on so long, and I hope I provided > enough info! > > Salutations, > -Paul > _______________________________________________ > VNC-List mailing list > [email protected] > To remove yourself from the list visit: > http://www.realvnc.com/mailman/listinfo/vnc-list _______________________________________________ VNC-List mailing list [email protected] To remove yourself from the list visit: http://www.realvnc.com/mailman/listinfo/vnc-list
