IPsec Protocol

Detection Information

The following page provides information on the IPsec Protocol.

Protocol Description

The IPsec (Internet Protocol Security) is a secure protocol suite that authenticates and encrypts network traffic for VPN services. It is a very widely used VPN protocol.

Full Name

Internet Protocol Security

Abbreviation

IPsec

Best Practices

VPNs can not only be used to connect remote locations, but also be used to bypass your firewall/DNS policies. Investigate any unauthorized use on your network.

Port Statistics

IP Protocol Flow Percent
UDP 4500 93%
UDP 500 6%
TCP 500 < 1%
IPSEC-ESP < 1%

Port Reference - RFC

  • TCP 500 - Isakmp
  • UDP 500 - Isakmp
  • UDP 4500 - IPsec NAT-Traversal

Category

VPN

External Resources


Protocol Detection

Do you know how much IPsec traffic flows through your network? Netify's protocol detection engine and reporting provides insights to help manage your network.

What gets measured, gets managed.

Learn More

Related Protocols

A list of related protocols is below. List of all protocols.
Category Name Tag

VPN

OpenVPN openvpn Details

VPN

Cisco VPN ciscovpn Details

VPN

GPRS Tunneling gprs Details

VPN

PPTP pptp Details

VPN

WireGuard wireguard Details

VPN

IP in IP ip-in-ip Details

VPN

GRE gre Details

Integration and Custom Solutions

Do you have any questions about integration, APIs or custom development?

Contact Us