Hey Bruce, (from linksys manual) SPI (Stateful Packet Inspection) is your problem . This feature checks the state of a packet to verify that the destination IP address matches the source IP of the original request. To use the firewall, select Enable; otherwise, select Disable to use the NAT firewall.
Basically if a request from the internet that was not initiated by you will be dropped. Turn it off and it should work for you. Hope this helps, Jesse Waters -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Bruce Douglas Sent: Friday, January 17, 2003 5:50 PM To: [EMAIL PROTECTED] Subject: Linksys Routers..Port Forwarding...Putty.. VNC!! Evening... (or morning...) I can no longer tell!! Once again I'm faced with the issue of tunneling through my router to get to my Vncserver box. (At one point I thought this was working. I rebuilt the Linux box, but this wouldn't/shouldn't have affected the router.) The Setup: +----------------+ | External World | +----------------+ ^ |(12.222.33.11) v +-----------------+ | Firewall/Router | (198.222.33.1) | (Linksys) |<--------------+ +-----------------+ | | (Internal Network) | v +------------------------------------------+ | | | | v v +--------------+ +---------------+ | | | | | Linux Box | (192.222.33.4) | Windows 2K Box| (192.222.33.5) | (VNCServer) | | (VNC Client) | | | | (PuTTY) | +--------------+ | | +---------------+ In keeping things simple, I decided to make sure I could use a Putty client to get to the Linux box. In the above scenario, I'm able to get to the Linux box from the Windows box with no problem. Using PuTTY, and staying within the Firewall, I'm able to hit the Linux box and log in ok. (Putty's default settings are used.) When I attempt to use the PuTTY client from the Windows Box, and hit the Linux box by going through the router, I have an issue. Within the Putty, I use the external address of the Router. I have the port forwarding set so that port 22 is forwarded to port 22 of the Linux Box. I would have expected this to work! However, PuTTY times out. At this point, I'm still using the default settings within Putty. The default settings should be sufficient to allow this to work as I'm not trying to perform anything unusual, especially given the fact that it works if I hit the Linux box while inside the firewall! My question: What might be preventing this from working? The filter settings are: SPI: Enable x Disable Block WAN Request: Enable x Disable Multicast Pass Through: x Enable Disable IPSec Pass Through: x Enable Disable PPTP Pass Through: x Enable Disable Remote Management: Enable x Disable Remote Upgrade: Enable x Disable MTU: x Enable Disable My ultimate goal is to once and for all, get the router/VNC/PuTTY all working to provide SSH access to the VNCServer on the Linux box from outside the Firewall. Thanks... -Bruce (PS. I've spent a great deal of time trying to track down information relating to this issue on the 'net. I also looked through some of the past VNC archives. I thought I had seen information relating to what I'm experiencing, but I can't seem to find it now....) _______________________________________________ VNC-List mailing list [EMAIL PROTECTED] http://www.realvnc.com/mailman/listinfo/vnc-list _______________________________________________ VNC-List mailing list [EMAIL PROTECTED] http://www.realvnc.com/mailman/listinfo/vnc-list
