Chapter 2 Where to Find More Information

  Table of Contents



This chapter contains a list of Web sites and other information sources that are relevant to the administration of Internet Express for Tru64 UNIX. The list includes links to Web sites dealing with Internet Express products and services, and system security, as well as links to commercial and nonprofit organizations on the World Wide Web that might be of interest.


The URLs and contents of sites listed here are subject to change. HP is not responsible for Web sites for third-party software provided with Internet Express for Tru64 UNIX.

Internet Express and AlphaServer Products Web Sites

Information on AlphaServers and Internet Express can be found at the following sites:

Open Source Software Web Sites

Information on Open Source software is available from the following Web sites:


Analog is a tool for analyzing log files, included with the Secure Web Server. This site provides a description of analog, sample reports that can be generated using analog, and access to sites to download the latest version of the software.


Apache Web servers let users create and manage a Web site on the Internet and Intranet. The Apache HTTP Web Server Project homepage contains versions of the Apache Web Server that you can download and documentation for each version.


The Berkeley Internet Name Domain (BIND) implements a domain name server for a number of operating systems, including Tru64 UNIX. Internet Express provides the latest version of BIND, which contains both a name server and a resolver library.

Dante SOCKS Server

Dante is a circuit-level firewall/proxy server that can be used to provide convenient and secure network connectivity to a wide range of hosts while requiring only the server Dante runs on to have external network connectivity. Dante also includes an extension to the SOCKS Version 4 and Version 5 protocols that provides a more generic bind(2) functionality, similar to what non-SOCKS programs expect.


expect is a tool for automating and testing interactive applications, such as telnettelnet, FTP, passwd, fsck, rlogin, tip, and so on. Exploring Expect: A Tcl-Based Toolkit for Automating Interactive Applications (ISBN 1-56592-090-2), written by Don Libes and published by O'Reilly & Associates, is an excellent source of information. The expect homepage provides access to FAQs, examples, contributed scripts, and software.


Firefox is a free open source Web browser based on the Mozilla code base.


FreeRADIUS is a configurable, scaleable user authentication tool. For information on administering FreeRADIUS, see Section : FreeRADIUS Server Administration

ht://Dig Search Tool

The ht://Dig search tool is a complete World Wide Web index and search system for a domain or an Intranet. It covers the search needs for a single company, campus, or subsection of a Web site. For information on administering ht://Dig, see Section : ht://Dig Search Tool Administration.


The Internet Message Access Protocol (IMAP) allows a client to access and manipulate electronic mail messages on a server. The current version of the protocol is 4 and is described in RFC 1730.

The Internet Express kit includes two implementations of IMAP:

  • University of Washington IMAP (UW-IMAP) Server

  • Cyrus IMAP Server by Carnegie Mellon University

The Internet Express kit includes documentation on IMAP in the /usr/internet/docs/imap directory.

IMP Webmail

The Internet Messaging Program (IMP) is written in PHP and provides Webmail access to IMAP (and POP3) clients. For a set of FAQs (Frequently Asked Questions), visit the following URL:

INN Server

InterNetNews (INN) is a complete usenet system that provides tools to manage newsfeed services, including connections to external newsfeed configurations and control of client access to newsgroups.

The Internet Software Consortium homepage for the INN server provides release notes and access to the latest kit. For more information on newsfeeds and the InterNetNews Server, see the Usenet and InterNetNews document by Thomas Podnar and the set of FAQs by Tom Limoncelli in /usr/internet/docs/inn/

For information on how to enable authentication of Usenet group changes using PGPverify, visit the following URL:

IRC Server

Internet Relay Chat (IRC) allows users to communicate with each other in real time across a network of Internet servers. The EFnet #IRChelp help archive provides general information and pointers to many FAQs and clients. Information on configuring IRC is included in usr/internet/irc/example.conf on the Internet Express kit. For more information on IRC, see the irc(1) and ircd(8) reference pages.

Lynx Web Browser

Lynx is a fully featured World Wide Web browser for users connected to a system via cursor-addressable, character-cell terminals or terminal emulators. Lynx is a product of the Distributed Computing Group within Academic Computing Services of The University of Kansas.

The /usr/internet/docs/lynx directory contains documentation on Lynx.

Majordomo Automated Internet Mailing Lists Manager

Majordomo is a set of programs that automate operation and maintenance of Internet mailing lists. The Internet Express kit includes the documentation on Majordomo in the /usr/internet/majordomo directory.


Mailman manages mailing and e-newsletter lists.


The Mozilla Application Suite includes a set of applications, including a Web browser, E-mail client, news reader, chat, and Web page editor.


MySQL is an open source database management system that relies on SQL for processing the data in the database. MySQL is most commonly used for Web applications and for embedded applications and is a popular alternative to proprietary database systems.


The Lightweight Directory Access Protocol (LDAP) is an Internet standard directory service protocol that runs over TCP/IP. It can be used to provide a standalone directory service or to provide lightweight access to the X.500 directory. The OpenLDAP Project is a collaborative effort to provide a robust, commercial-grade, fully featured, and open source suite of LDAP applications and development tools. The project is managed by a worldwide community of volunteers who use the Internet to communicate, plan, and develop the OpenLDAP suite and its related documentation.


The Service Location Protocol (SLP) is provides client/server applications with the means to discover and select system services on the network. Internet Express provides the OpenSLP server and Application Program Interfaces (APIs) based on the SLP Version 2 standard protocol.


The Practical Extraction and Report Language (Perl) is an interpreted language distributed over Usenet. See this Web site for more information on Perl, including FAQs, documentation, newsgroups, and software updates.

PHP Hypertext Preprocessor

The PHP hypertext preprocessor is a server-side, cross-platform, HTML embedded scripting language. It is built into the public instance of the Secure Web Server shipped with Internet Express Version 6.4 and allows you to create dynamic Web content by embedding conditional directives in your HTML file.

Pine Mail Client and Pico Editor 

Pine is an IMAP e-mail client for terminals or terminal emulators. Pine is easy to learn; command choices are presented at the bottom of each screen. Pico is the editor that Pine uses. This Web site at the University of Washington provides complete documentation, FAQs, and access to the software.

The Internet Express kit includes documentation on Pine and Pico in the Internet Services User's Guide.

POP Mail Server

POP (Post Office Protocol) allows single-user hosts to read electronic mail from a server. These sites provide information on the current version of the Qualcomm popper POP Mail Server.

The Internet Express kit includes documentation on POP in the /usr/internet/docs/pop directory.

PostgreSQL Relational Database Management System 

PostgreSQL is an object-relational database management system, supporting many SQL constructs. PostgreSQL is a required component for the Internet Monitor, but it can also be installed as a separate component with Internet Express.

The Internet Express kit includes PostgreSQL documentation in the source tar files on the Internet Express “Installation and Documentation” CD-ROM. Documentation is also available from the PostgreSQL Web site.

Procmail Mail Filtering Language

The Procmail mail filtering language, written by Stephen van den Berg of Germany, lets you filter hundreds or thousands of incoming mail messages per day according to a predefined set of rules. The Procmail language understands details about most UNIX mail transport and delivery agents, giving you the platform to write custom mail filtering scripts. The Procmail filtering engine can be invoked by Sendmail or by a user's .forward file.

See procmail(1), procmailrc(5), and procmailsc(5) for more information on using procmail. Extensive examples are provided in procmailex(5).

The Infinite Ink Web site ( contains pointers to documentation, examples, and FAQ, and provides a link to the FTP site where you can obtain the Procmail kit.

Pure-FTP Server

File Transfer Protocol (FTP) is a client/server protocol that allows a user on one computer to transfer files to and from another computer over a TCP/IP network. An anonymous FTP account on your system allows any remote user to log in to your system using an FTP or anonymous user name. Once logged in, that user can access a special directory hierarchy that contains publicly accessible files and can transfer those files to another system using FTP.

Samba File and Print Server

The Samba File and Print Server for Windows provides file and print services to SMB clients, such as Windows 2000, Windows NT, or LAN Manager. It also provides NETBIOS name serving and browsing support.

At the Samba Web site, you can obtain documentation on the Samba server, report problems, and download the latest software. Visit the comp.protocols.smb newsgroup for information on the Samba server protocol.

Sendmail Mail Transport Agent

Sendmail is the BSD Mail Transport Agent supporting mail transport by means of TCP/IP using Simple Mail Transfer Protocol (SMTP).

Squid Proxy/Caching Server

Squid is a high-performance proxy/caching server that supports FTP, Gopher, and HTTP data objects. Squid tends to be faster than other proxy/caching servers because it maintains linked objects in RAM, caches DNS lookups, and supports nonblocking I/O, negative caching of objects, and DNS lookups. Squid documentation and FAQs are available from the Squid homepage.

The Internet Express kit includes documentation on Squid in the /usr/internet/docs/squid directory.

TCP Wrapper

TCP Wrapper intercepts an incoming network connection and verifies that the connection is allowed before passing the connection to the network daemon. TCP Wrapper is configured through the /etc/hosts.allow file. The FTP archive of the Mathematics and Computing Science Department of Eindhoven University of Technology (the Netherlands) contains TCP Wrapper kits.

Tomcat Java Servlet and JSP Engine

Tomcat is part of the Jakarta Project and the official reference implementation for the Java Servlet 2.2 and JavaServer Pages 1.1 Technologies. The goal of the Jakarta Project is to provide commercial-quality server solutions based on the Java Platform that are developed in an open and cooperative fashion. Tomcat is the Java Servlet and JSP Engine, a product of the Jakarta Project.

TIN News Reader

TIN is a full-screen news reader for terminals or terminal emulators on UNIX systems. The TIN homepage allows you to download the latest version of TIN, access TIN mailing lists, and submit problem reports.

XML Components

The XML components provide commercial-quality, standards-based XML solutions and include: Xerces XML parsers in C++ and Java, Xalan XSLT Stylesheet Processor in C++ and Java, Batik toolkit for Scalable Vector Graphics (SVG) in Java, FOP XSL formatting objects in Java, Cocoon XML-based Web publishing in Java, and Apache Axis.

Apache Axis is an implementation of the SOAP (Simple Object Access Protocol) submission to the W3C. SOAP is a lightweight protocol for exchange of information in a decentralized, distributed environment. Apache Axis, which is a follow-on project to Apache SOAP based on the Simple Object Access Protocol, is a lightweight protocol for exchange of information in a decentralized, distributed environment.

Apache Axis consists of three parts: an envelope that defines a framework for describing what is in a message and how to process it, a set of encoding rules for expressing instances of application-defined datatypes, and a convention for representing remote procedure calls and responses. Information about the Apache Axis Server can be found at:

System Security Web Sites

Information on system security is available from the following sites:


The Computer Emergency Response Team (CERT) is a clearinghouse for security-related events that occur in the Internet community. If you are an administrator, subscribe to the CERT mailing list and frequently check the CERT advisories.

CERT works with the Internet community to facilitate the community's response to security events involving hosts, takes proactive steps to improve the community's awareness of security issues, and conducts research aimed at improving the security of existing systems. CERT services include a 24-hour hotline for responding to security incidents, product vulnerability assistance, and technical documentation and tutorials.


The Computer Incident Advisory Capability (CIAC) site is maintained by the U.S. Department of Energy. The Web site offers computer security information, as well as workshops, consulting, and security incident-handling information.


The Computer Security Resource Clearinghouse (CSRC) is a U.S. Government archive containing security information and contacts maintained by the National Institute on Standards and Technology (NIST).

Other Useful Web Sites

The following sites contain information that might be of interest:


The Consummate WinSock Applications Web site contains access to numerous Internet applications for personal computer users. The site is owned by Forrest H. Stroud, whose purpose is to “help net users stay current on the latest, greatest WinSock applications.”


The Internet Network Information Center (InterNIC) is a collection of Network Information Service managers, selected by the National Science Foundation (NSF), who provide and coordinate services for the NSF network community.


The Microsoft homepage contains information on Internet-based products and lets you download software.

Netscape Communications

The Netscape Communications homepage contains information on the Internet, browsers, and creating Web pages. It also lets you download Netscape software products.

World Wide Web Consortium

The World Wide Web Consortium homepage is funded by the Internet industry and managed by MIT's Laboratory for Computer Science, INRIA (the European Laboratory for Particle Physics), and CERN (Institut Nationale de Recherche en Informatique et Automatique). The Consortium produces specifications and software (available at no cost) that help realize the full potential of the Web. This site is an excellent source of information on Web authoring and Web site administration.


Encompass, formerly DECUS (US Chapter), is an association of information technology professionals who share a common interest in the products, services, and technologies of Hewlett-Packard Company. From their homepage, you can find connections to member services, local user groups, training, events, and publications.