So I setup a VPN Server for a friend. But what’s a VPN Server if you are unable to access it form the outside world. This is where opening ports on ones router / firewall is required. Rather than focus on a specific firewall vendor or appliance, I will just focus on the ports and […]
Tag: GRE
Issue: I am unable to connect to a VPN server hosted as a guest on VMware ESXi 5.5. After much troubleshooting it seems that the issue with my PPTP connections is that GRE isn’t making it to my server. In my logs I found the following: vyatta pptpd[2777]: CTRL: PTY read or GRE write failed […]