Lecture_13_IPSEC

Lecture_13_IPSEC - IP Security Overview IP Packets have no...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
COMP 6370 IPSec – Lecture 13 1 IP Security Overview IP Packets have no inherent security Relatively easy to forge contents of IP packets modify contents of IP packets inspect the contents of IP packets in transit Therefore, there is no guarantee that IP datagrams received: are from the claimed sender (source address in the IP header) contain the original data that the sender placed in them were not inspected by a third party while the packet was being sent from source to destination IPSec is a means to limit the spoofing of routers
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
COMP 6370 IPSec – Lecture 13 2 IPSec IPSec is a method of protecting IP datagrams. This protection takes the form of data origin authentication connectionless data integrity authentication data content confidentiality anti-replay protection limited traffic flow confidentiality Protection via Encapsulating Security Payload (ESP) or Authentication Header (AH) Ultimate security dependent upon the cryptographic algorithm applied Symmetric key cryptography used – why?
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

Lecture_13_IPSEC - IP Security Overview IP Packets have no...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online