What is the difference between PPTP, L2TP and SSTP?
PPTP, L2TP and SSTP are VPN protocols that our NicVPN servers use to communicate with the VPN clients (our customer`s devices like laptops, smart-phones etc).
You can connect with either of these protocols to our service and get Full Internet Access from your current location via an secured encrypted tunnel from your device to our servers.
There are some technical differences between PPTP, L2TP and SSTP in regard to data encryption and authentication (the process we use to verify your NicVPN username and password). Please take a look below to find out more about these VPN protocols.
Point-to-Point Tunneling Protocol (PPTP) is a widely used VPN protocol supported by most devices available today. PPTP has a relatively low overhead, making it faster than some other VPN methods and it also is easier to setup.
PPTP has been criticized in the past for various security flaws, however many of these problems have been addressed in current versions of the protocol. Unless you have a secret government agency watching your every move, you`ll probably be OK with PPTP.
Layer 2 Tunneling Protocol (L2TP) is a more secure option, as it works in conjunction with the IPSec protocol that uses more secure encryption algorithms than PPTP. The strongest L2TP encryption uses 168 bit keys and the 3DES encryption algorithm.
L2TP has several advantages over PPTP, providing data integrity and authentication of origin verifications that will keep a hacker from being able to capture and/or replay the L2TP data that is sent. On the other hand, the overhead involved in providing this extra security can result in slightly slower performance than PPTP.
Secure Socket Tunneling Protocol (SSTP) is SSL VPN protocol. It uses 2048 bit certificates for authentications and a more secure encryption, making it the most secure VPN protocol available.
SSTP uses TCP port 443, allowing it to work in network environments where other VPN protocols are blocked. This is very useful in corporate or university networks that block VPN connections and in some countries like Belize that do not allow VPN.
SSTP VPN is faster and more reliable than similar SSL VPN products such as OpenVPN.
Please note that you will need Windows 7 to connect with SSTP.
PPTP, L2TP and SSTP comparison chart
Take a look at the chart below to get a better idea on the technical differences between these protocols.
|VPN Protocol||Encryption||Ports||Compatible with||Notes|
|PPTP||MPPE with RC4
128 bit key
|1723 TCP||Windows XP, Vista, 7
Mac OS X
|PPTP is the most widely used VPN protocol today.
It is easy to setup and can be used to bypass all Internet restrictions.
PPTP is considered less secure.
|L2TP||IPsec with 3DES
168 bit key
| 500 UDP
|Windows XP, Vista, 7
Mac OS X
|L2TP is considered more secure than PPTP.
If online security is a main concern you should consider using L2TP.
|SSTP||SSL with AES
2048 bit key certificate
256 bit key for encryption
|443 TCP||Windows 7||SSTP uses a generic port that is never blocked by firewalls.
You can use SSTP to bypass corporate or school firewalls.
SSTP is considered a very secure protocol.
All our servers use the latest VPN technology. We support PPTP, L2TP and SSTP on all our servers and you can connect with either one of these protocols. Setting up your connection with NicVPN is easy, quick and painless
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