These two protocols determine how the packets of data that make up your online traffic are sent from your device to the VPN server. There are several technical differences between UDP and TCP, but, broadly speaking, UDP supports faster connections while TCP supports more stable connections and is harder for network administrators to block.

How to set up and use QVPN 2.0 ? | QNAP May 24, 2019 VPN connection works, but can't ping … - Apple Community Aug 13, 2012

May 24, 2019 · Specify the IP address for the VPN server. Username Specify the username to access the VPN server. Password Specify the password to access the VPN server. Preshared Key Specify the key provided by the VPN server administrator. Server Port Specify the port used to access this server. Specify the subnet mask

Feb 21, 2014

What Ports To Open for L2TP VPN |

Microsoft SQL Server is a database application with a long history of security exploits, and is noted for the propagation of the SQLslammer worm. These ports are filtered to prevent exploitation and propagation of such MS-SQL exploits. 1900 / UDP - UPnP: Discovery / SSDP is a service that runs by default on WinXP.