
Chapter 23 • Practical IPv6 Security Solutions 447
in.telnetd: 192.168.3.8 [3ffe:80f0:1:1::/64]
in.ftpd: [3ffe:80f0:10:1:201:2ff:dead:feed]
Also, since TCP Wrapper is run each time a wrapped service is requested,
there’s no need to start/stop a daemon or kill -HUP a process when you
make a change to the rules files.
23.5 Summary
No prudent network administrator would skimp on security systems,
and the use of packet filtering firewalls, IPsec, and TCP Wrappers as
described here should be considered and adapted for any IPv6 network—
even testbeds. Once the security systems are in place and routing is live,
applications like DNS and email can be rolled out