Chapter 8. TCP Wrappers and

xinetd

127

8.4. Additional Resources

Additional information concerning TCP wrappers and

xinetd

is available on system documentation

and on the Web.

8.4.1. Installed Documentation

The bundled documentation on your system is a good place to start looking for additional TCP Wrap 

pers,

xinetd

, and access control configuration options.

  /usr/share/doc/tcp_wrappers  version

  Contains a

README

file that discusses how

F

G

TCP wrappers work and the various hostname and host address spoofing risks that exist.

  /usr/share/doc/xinetd  version

  Includes a

README

file that discusses aspects of ac 

F

G

cess control and a

sample.conf

file with various ideas for modifying

/etc/xinetd.d

service

configurations.

For detailed information concerning the creation of TCP wrapper access control rules, read the

hosts_access(5)and hosts_options(5) man pages.

The xinetd(8) and xinetd.conf(5) man pages contain additional information for creating

xinetd

configuration files and a description of how

xinetd

works.

8.4.2. Useful Websites

http://www.xinetd.org   The home of

xinetd

, containing sample configuration files, a full listing

of features, and an informative FAQ.

http://www.macsecurity.org/resources/xinetd/tutorial.shtml   A thorough tutorial that discusses

many different ways to tweak default

xinetd

configuration files to meet specific security goals.