|openvpn vs ipsec vs ikev2||0.34||0.3||619||91|
IPSec, or Internet Protocol Security, is a set of protocols used to secure internet protocol (IP) data transmissions and communications, or more simply, internet traffic. To establish a secure connection, IPSec works by authenticating and encrypting each packet of data during the time you are connected. Internet Key Exchange Version 2 (IKEv2) is the second-generation standard for a secure key exchange between connected devices.What is IPsec and why use IPSec VPN widely used?
IPsec VPN is one of two common VPN protocols, or set of standards used to establish a VPN connection . IPsec is set at the IP layer, and it is often used to allow secure, remote access to an entire network (rather than just a single device). This inability to restrict users to network segments is a common concern with this protocol.Which firewall ports to open for IPsec?
A: To make IPSec work through your firewalls, you should open UDP port 500 and permit IP protocol numbers 50 and 51 on both inbound and outbound firewall filters. UDP Port 500 should be opened to allow Internet Security Association and Key Management Protocol (ISAKMP) traffic to be forwarded through your firewalls.