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Internet Protocol Security (IPsec) is a protocol suite for securing Internet Protocol (IP) communications by authenticating and encrypting each IP packet of a communication session. IPsec also includes protocols for establishing mutual authentication between agents at the beginning of the session and negotiation of cryptographic keys to be used during the session.

1 vote
1 answer
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What if in IPsec I have confidentiality BUT NOT integrity? What are the dangers?

ESP in IPsec v2 only provides integrity of the payload, not of the header. So my question is about that. The possible dangers in not having integrity of header, while having ESP active for payload. …
Allexj's user avatar
  • 137
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Why does IPsec use tunnel-mode for an external laptop? Could transport-mode be used? Why can...

In an IPsec Secure gateway setup, why is tunnel-mode used when an external laptop wants to access an internal service protected by a firewall? …
Allexj's user avatar
  • 137