WARNING: This information has not been updated since October, 1997!

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INDEX ENTRY FOR TCPD:
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Name: TCPD - Controls Internet service requests

Version: 7.6

Author(s): Wietse Venema <wietse@wzv.win.tue.nl>

   Wietse Venema (wietse@wzv.win.tue.nl)
   Department of Mathematics and Computing Science
   Eindhoven University of Technology
   P.O. Box 513
   5600 MB Eindhoven
   The Netherlands

Ftp source: ftp.win.tue.nl:/pub/security/tcp_wrapper*

Description:

   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.

   It supports both 4.3BSD-style sockets and System V.4-style TLI. Praise
   yourself lucky if you don't know what that means.

   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 remote host and of the
   requested service; the wrappers do not exchange information with the
   remote client process, and impose no overhead on the actual
   communication between the client and server applications.

   Optional features are: access control to restrict what systems can
   connect to your network daemons; remote user name lookups with the RFC
   931 protocol; additional protection against hosts that pretend to have
   someone elses host name; additional protection against hosts that
   pretend to have someone elses host address.

   -- Quoted from README by Wietse Venema in the tcp_wrapper 6.3 
      distribution.


Advertised architectures:

   Early versions of the programs were tested with Ultrix >= 2.2, with
   SunOS >= 3.4 and ISC 2.2. Later versions have been installed on a wide
   variety of platforms such as SunOS 4.x and 5.x, Ultrix 3.x and 4.x, DEC
   OSF/1 T1.2-2, HP-UX 8.x, AIX 3.1.5 up to 3.2.4, Apollo SR10.3.5, Sony,
   NeXT, SCO UNIX, DG/UX, Cray, Dynix, and an unknown number of other ones.

   -- Quoted from README by Wietse Venema in the tcp_wrapper 6.3 
      distribution.

Prerequisites:

   Requirements are that the network daemons are spawned by a super server
   such as the inetd; a 4.3BSD-style socket programming interface and/or
   System V.4-style TLI programming interface; and the availability of a
   syslog(3) library and of a syslogd(8) daemon.  The wrappers should run
   without modification on any system that satisfies these requirements.
   Workarounds have been implemented for several common bugs in systems
   software.

   -- Quoted from README by Wietse Venema in the tcp_wrapper 6.3 
      distribution.