@(#) BLURB 1.27 97/02/12 02:13:17 With this package you can monitor and filter incoming requests for the SYSTAT, FINGER, FTP, TELNET, RLOGIN, RSH, EXEC, TFTP, TALK, and other network services. The package provides tiny daemon wrapper programs that can be installed without any changes to existing software or to existing configuration files. The wrappers report the name of the client host and of the requested service; the wrappers do not exchange information with the client or server applications, and impose no overhead on the actual conversation between the client and server applications. This patch upgrades the tcp wrappers version 7.4 source code to version 7.5. Highlights of this release: - Support for more UNIX system types. - Improved protection against IP spoofing attacks with source-routed TCP connections, by refusing them. This protection is not enabled by default. This release does not introduce new features. Do not bother applying this patch when you built your current tcp wrapper without enabling the KILL_OPTIONS compiler switch. The patch is not useful for obsolete UNIX versions that pre-date 4.4BSD, such as SunOS 4. Such systems are unable to receive source-routed connections and are therefore not vulnerable to IP spoofing attacks with source-routed TCP connections. A complete change log is given in the CHANGES document. As always, problem reports and suggestions for improvement are welcome. Wietse Venema (wietse@wzv.win.tue.nl), Department of Mathematics and Computing Science, Eindhoven University of Technology, The Netherlands. Currently visiting IBM T.J. Watson Research, Hawthorne NY, USA.