ZWS Online Support Article Index

News

• ZWS: selected platforms - end-of-life announcement
• ZWS 4.3r4 released
• ZWS 4.3r3 released
• Zeus are recruiting!
• ZWS 4.3r2 released
• ZWS 4.3r1 released

Security & Advisories

• Location HTTP header injection vulnerability
• Content Negotiation security advisory
• Disabling low-grade encryption in ZWS 4.3 and above
• Zeus Web Server Admin Interface Cross Site Scripting Vulnerability
• Zeus Web Server Admin Interface Cross Site Scripting Vulnerability

Frequently Asked Questions

• Can you chroot the Microsoft FrontPage extensions?
• How do I chroot CGI scripts?
• Why does ZWS appear to run as 'root' under HP-UX?
• In your integration documentation, you make reference to several PHP variables - can you tell me more about them?
• Why am I seeing high CPU usage when ZWS is running?
• What are the different license key options?
• How do I change the IP address my license key is bound to?
• I've upgraded my ZWS installation, but now my CGIs wont run?
• What are all the different configuration settings and tunables? - Part 2
• What are all the different configuration settings and tunables? - Part 1
• What is truss or strace?
• How can I tune the web server for maximum performance?
• How do I renew SSL certificates
• Why do I see '500 Internal Server Error' when running a CGI?
• Does Zeus support multi-lingual (Unicode) domain names?
• How do I create chained certificates
• How do I migrate my X509 certificates from Apache Stronghold to Zeus?
• Can I migrate my Netscape SSL certificates to Zeus?
• Can I have multiple SSL virtual servers on the same IP address and port number?
• Does Zeus have any date-related issues?
• How many virtual servers can I run with Zeus?
• What sort of architecture does Zeus use?
• Why is the throttle module allowing more connections through than it has been configured to accept?
• How can I enable or disable the Zeus SNMP support?
• How do I use the AuthUserDBMFile .htaccess directive?
• What are the recommended Unix filesystem permissions for customers' docroots?
• How do I manage large .htaccess password files in Zeus?
• How can I authenticate clients using referrer information?
• Can I authenticate users through a Database Authentication Module?
• How does the product version numbering scheme used by Zeus work?
• Installation works fine, but virtual servers will not start. Why?
• What is $ZEUSHOME?
• How do I implement access control for many users, each with their own password?
• Can an application perform its own access control?
• Zeus cannot bind to port 80. How do I find out what is already bound to it?
• How can I prevent the Zeus Web Server from binding to all available interfaces?
• Where is my system log file?
• How do I update the license key of my web server?
• How do I upgrade my copy of Zeus?
• What do I do if I get problems resolving DNS names?
• I have turned off DNS lookups for one of my virtual servers, but the web server continues to log hostnames in the access log. Why is this?
• What errors may be logged and where?
• I've forgotten or lost my admin server password, what should I do?
• Why can't I access my server with its IP address or its hostname?
• What do I need to know about Log Rotation?
• Why is one zeus.web process doing all the work on my multi-CPU machine?
• What factors should I consider before deploying Zeus Web Servers into a live environment
• How do I make Zeus start automatically when my machine boots up?
• How do I change the 'admin' user name to something else?
• How do I delegate admin tasks to the webmaster?
• Which platforms/software versions are supported
• How do I perform an unattended installation?
• What NFS related issues should I be aware of?
• Why do hostnames continue to be logged after DNS lookups are disabled?
• What do I need to know about File Descriptors for best system stability?
• How can I accelerate Zeus' performance with Sun's Network Cache Accelerator?
• How can I attach a debugger to an NSAPI application?
• How can I debug shared library problems with NSAPI?
• I have a question regarding integrating a Third Party Product with Zeus Web Server
• How do I prevent zeus.statd/zeus.isapi/zeus.nsapi from being started?
• Why do I get libdb.so.2 cannot open shared object file messages with Redhat 8.0?
• What sources of information are available
• How do I compile ISAPI filters and extensions?
• Why does my ISAPI module fail to load?
• I want to use ISAPI with my web server - how do I get started?
• Does Zeus Web Server support Load Balancers?
• How can I debug/trace NSAPI applications?

Examples & How-To's

• Joomla Search Engine Optimization (SEO)
• Vanity Domain Names
• Session Tags
• Enhanced Referrer Checking
• Redirecting clients to Alternate Pages
• The #set Command
• The #include Command
• The #fsize and #flastmod Commands
• #if, #elif, #else and #endif commands
• The #exec Command
• The #echo Command
• The #config Command
• Sockd Server
• Authentication Server
• Vanity Domain Names
• Session Tags
• Enhancing Gateway functionality
• Converting Apache rules to ZWS
• Redirecting based on Client User Agent
• Using Perl Extensions with SSI
• Advanced Rewriting
• Logging to a Database
• Authentication-Driven Content
• Sample NSAPI configuration files
• Transparently mapping requests from one URL to another (ISAPI filter)
• Generating a web site front page from a Java Servlet (ISAPI filter)
• Multi-language web site support (ISAPI filter)
• A simple thread-safe page counter (ISAPI extension)
• A simple page counter (ISAPI extension)
• Unique client logging using cookies (ISAPI filter)
• Basic authentication (ISAPI filter)
• Adding a tilde to directory names (ISAPI filter)
• FastCGI/MySQL authorization example using Perl
• Simple authorization with FastCGI
• 'Hello World' in Perl and C
• Simple CGI forms
• CGI Environment variables
• CGI 'Hello World' program
• Request Rewriting Introduction
• Server Side Includes (SSI) Introduction
• Zeus Web Server Perl Licence
• Getting started with Perl Extensions
• Perl Extensions Introduction
• ZDAC Introduction
• NSAPI (Netscape Server API) Introduction
• Getting Started with ISAPI
• Introduction to ISAPI
• Introduction to FastCGI
• Introduction to the Common Gateway Interface (CGI)
• Introduction to the ZWS APIs

Third-Party Product Integration

• Joomla Search Engine Optimization (SEO)
• WebDAV
• Zope
• PHP accelerators
• SquirrelMail
• Caucho Resin
• Miva Merchant
• Miva Empresa
• JRun 4.0
• JBoss 3.x
• Cocoon
• Bluestone Total-e-Server version 7.3
• Apache::NNTPGateway
• JServ 1.1.2
• HTML::Mason
• Apache::MP3
• Apache::Motd
• IBM WebSphere Application Server 5.0.2
• BEA WebLogic 6.1
• BEA WebLogic 8.1
• Tomcat
• Microsoft FrontPage Extensions
• Macromedia Coldfusion MX
• Sun Java System Active Server Pages
• PHP: Hypertext Preprocessor

Documentation

• Bandwidth throttling by username or client IP address
• How to obtain cache instrumentation from ZWS
• Zeus Web Server 4.3 documentation
• Zeus Web Server 4.2 documentation
• ISAPI programming documentation
• htaccess quick reference
• Secure Web Serving Filter Generator (SNORT)