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Home / Glossary / IPSec
Glossary · Protocol

IPSec

Internet Protocol Security

In plain language

A method of scrambling and protecting traffic between two networks, often used for office-to-office VPNs.

The metaphor

Like an armoured pipe between two offices that nobody can see inside.

Going deeper

How it works

  • It protects every packet between two points.
  • Common for connecting branch offices.
  • Both sides must agree on keys and settings.
  • Misconfigured links fail in confusing ways.

How WILDCARD handles it

Network covers the firewall that sets up and monitors these tunnels.

In practice
  • A firm links two offices over the internet.
  • A shop reaches its head-office server from a branch.
  • A provider rebuilds a tunnel after a firewall change.

A question owners ask

Is it the same as a VPN?

It is one way of building a VPN.

Where WILDCARD handles this
Network
  • Firewall managed and monitored
  • Switches kept current
  • On-prem Active Directory auth
Start with Network
Related terms
ACLAccess Control ListAHAuthentication HeaderAPAccess PointARPAddress Resolution ProtocolBPDUBridge Protocol Data UnitCCMPCounter Mode/CBC-MAC ProtocolCCTVClosed-circuit TelevisionCHAPChallenge Handshake Authentication Protocol

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