
90 Part Two • IPv6 Protocols
“Security Architecture for the Internet Protocol,” and the different pieces
of that architecture.
IPv4 as originally designed offered no real security features; it was
intended simply as an internetworking protocol. While not necessarily
a problem for a networking protocol used largely in research and academic
settings, the increase in importance of IP networking to the general busi-
ness and consumer networking environments makes the potential harm
resulting from attacks more devastating than ever. This section examines
the following.
• Issues of security for IP
• Security goals defined for IP
• Cryptographic elements of IPsec ...