References for More Information

Change Detection Tools

http://www.securityfocus.com is one of the best security-related sites on the Net. In addition to being home to some of the top security-related mailing lists, this site also has a superb free tools library. Many tripwire-like tools can be found in the “auditing, file integrity” portion of this library.
MacPerl:Power and Ease, by Vicki Brown and Chris Nandor (Prime Time Freeware, 1998). This book plus the perlport manual page were the major sources for the stat( ) information table in the first section of this chapter.
RFC1321:The MD5 Message-Digest Algorithm, R. Rivest, 1992.
http://www.tripwire.com/tripwire used to be the canonical free tool for filesystem change detection. It has since been commercialized, but the older free versions are still available.

SNMP

There are approximately 60 active RFCs with SNMP in their titles (and about 100 total which mention SNMP). Here are just the RFCs we reference in this chapter or in Appendix E.

RFC1157:A Simple Network Management Protocol (SNMP), J. Case, M. Fedor, M. Schoffstall, and J. Davin, 1990.
RFC1213:Management Information Base for Network Management of TCP/IP-based internets:MIB-II, K. McCloghrie and M. Rose, 1991.
RFC1493:Definitions of Managed Objects for Bridges, E. Decker, P. Langille, A. Rijsinghani, and K. McCloghrie, 1993.
RFC1573:Evolution of the Interfaces Group of MIB-II, K. McCloghrie and F. Kastenholz, 1994.
RFC1905:Protocol Operations for Version 2 of the ...

Get Perl for System Administration now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.