Directory Catalog
| Directory Catalog is apowerful utility for system administrators and other advanced users wantingto keep track of, and analyze, file and system changes. These changes canoccur for a variety ofreasons including normal software use and upgrades, or more menacingrealities of modern computinglike virus' and Trojan horses. Directory Catalog keeps a "snapshot"database, or Catalog, of allfiles in a directory, or multiple directories. Within each database,information is contained foreach file that existed at the time the database was generated. Thisinformation includes standardfile date, time, and size data, but much more importantly it can contain a"Digital Signature" ofthe file and, for binary files, Version Information encoded by the vendor.Any change to any aspectof a file will be detected by Directory Catalog and displayed for youranalysis. It simply is notpossible for something to change and not be detected. Of course, DirectoryCatalog also picks upon missing and new files, in addition to changes. Digital Signatures aregenerated using theRSA Data Security, Inc. MD5 Message-Digest Algorithm code developed by RSAData Security, Inc. MD5,or Message Digest 5, is a powerful, fast, and extremely hard to crack codebase for generatingdigital signatures for files, or any arbitrary length of data. This code isused in DirectoryCatalog, but it copyright and owned by RSA Data Security, Inc. MD5 isdiscussed in detail inInternet Request For Comments (RFC) 1321 available athttp://www.internic.net/. |
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