Line 8: |
Line 8: |
| | | |
| http://www.domain-logic.com/support/secure_tunnel_XP.htm | | http://www.domain-logic.com/support/secure_tunnel_XP.htm |
| + | |
| + | For basic troubleshooting refer to entries made in the log file /var/log/messages at the time the VPN connection was being established |
| | | |
| For advanced troubleshooting techniques see http://pptpclient.sourceforge.net/howto-diagnosis.phtml | | For advanced troubleshooting techniques see http://pptpclient.sourceforge.net/howto-diagnosis.phtml |
Line 21: |
Line 23: |
| | | |
| In any point to point VPN connection, there will be numerous pieces of equipment that the signal passes through eg corporate firewalls, additional routers/firewalls, software firewalls/filters etc. All these steps in the chain must support protocol 47, if any piece of equipment in the chain does not support that protocol then the VPN connection will be unsuccessful. Sometimes these matters are out of the end users control, especially in corporate situations, or home user situations where low end broadband connections are used and ISP's limit functionality. | | In any point to point VPN connection, there will be numerous pieces of equipment that the signal passes through eg corporate firewalls, additional routers/firewalls, software firewalls/filters etc. All these steps in the chain must support protocol 47, if any piece of equipment in the chain does not support that protocol then the VPN connection will be unsuccessful. Sometimes these matters are out of the end users control, especially in corporate situations, or home user situations where low end broadband connections are used and ISP's limit functionality. |
| + | |
| + | If you have a modem and a router between your SME server and the Internet, keep in mind that you need to open TCP port 1723 on both devices, and they must both support the protocol 47 (GRE). |
| + | |
| | | |
| You cannot establish a VPN passthrough connection through an SME server to a local machine due to problems with the sme server supporting the passthrough of protocol 47 (GRE). | | You cannot establish a VPN passthrough connection through an SME server to a local machine due to problems with the sme server supporting the passthrough of protocol 47 (GRE). |
Line 42: |
Line 47: |
| | | |
| ===Workaround for Appletalk issue=== | | ===Workaround for Appletalk issue=== |
− | | + | {{Note box|Support for Appletalk has been dropped from SME Server since version 8.0}} |
| Try this workaround to resolve issues with Kernel Panic errors, Appletalk and VPN disconnection problems | | Try this workaround to resolve issues with Kernel Panic errors, Appletalk and VPN disconnection problems |
| | | |
Line 141: |
Line 146: |
| http://support.microsoft.com/kb/186607 | | http://support.microsoft.com/kb/186607 |
| | | |
− | This technical troubleshooting diagnostic guide, which while not sme specific, will assist to diagnose connection problems related to VPN pptp with SME server. | + | This generic technical troubleshooting diagnostic guide, http://pptpclient.sourceforge.net/howto-diagnosis.phtml while not sme specific, will assist to diagnose connection problems related to VPN pptp with SME server. |
− | http://pptpclient.sourceforge.net/howto-diagnosis.phtml | + | |
| + | Windows 7 - http://windows.microsoft.com/en-us/windows7/Set-up-a-remote-connection-to-your-workplace-using-VPN |
| + | |
| + | Windows 7 - http://windows.microsoft.com/en-US/windows7/Why-am-I-having-problems-with-my-VPN-connection |
| | | |
| | | |