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Zeus Web Server
Zeus Web Server is a discontinued proprietary high-performance web server for Unix and Unix-like platforms (including Solaris, FreeBSD, HP-UX and Linux). It was developed by Zeus Technology, a software company located in Cambridge, England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ... that was founded in 1995 by University of Cambridge graduates Damian Reeves and Adam Twiss. History Zeus was designed to be a high-performance web server since the beginning of its development in 1995. Until the first decade of the 2000s, it was known as one of the fastest and most scalable web servers available on market. Despite its excellent performance, it never gained more than a few percentage points (less than 3%) in the global usage of most popular web servers. However, it was ...
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Proprietary Software
Proprietary software is computer software, software that grants its creator, publisher, or other rightsholder or rightsholder partner a legal monopoly by modern copyright and intellectual property law to exclude the recipient from freely sharing the software or modifying it, and—in some cases, as is the case with some patent-encumbered and EULA-bound software—from making use of the software on their own, thereby restricting their freedoms. Proprietary software is a subset of non-free software, a term defined in contrast to free and open-source software; non-commercial licenses such as CC BY-NC are not deemed proprietary, but are non-free. Proprietary software may either be closed-source software or source-available software. Types Origin Until the late 1960s, computers—especially large and expensive mainframe computers, machines in specially air-conditioned computer rooms—were usually leased to customers rather than Sales, sold. Service and all software available ...
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Riverbed Technology
Riverbed Technology LLC is an American information technology company. Its products consist of software and hardware focused on Unified Observability, Network Visibility, End User Experience Management, Network monitoring, network performance monitoring, application performance management, and wide area networks (WANs), including SD-WAN and WAN optimization. Riverbed has its headquarters in Redwood City, near San Francisco. Founded in 2002, the company was recapitalized in December 2021 and its majority shareholder was Apollo Global Management at the time. In 2023, it was acquired by private equity firm Vector Capital. History Jerry Kennelly, former CEO, and Steve McCanne, former CTO, founded a technology company in May, 2002, originally named NBT (Next Big Thing) Technology. The company became Riverbed Technology in 2003. Kennelly and McCanne led internal development of the first SteelHead appliances, the 500, 1000, 2000, and 5000 models, and the first SteelHead shipped in April ...
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URL Rewriting
In web applications, a rewrite engine is a software component that performs rewriting on URLs (Uniform Resource Locators), modifying their appearance. This modification is called URL rewriting. It is a way of implementing URL mapping or routing within a web application. The engine is typically a component of a web server or web application framework. Rewritten URLs (sometimes known as short, pretty or fancy URLs, search engine friendly - SEF URLs, or slugs) are used to provide shorter and more relevant-looking links to web pages. The technique adds a layer of abstraction between the files used to generate a web page and the URL that is presented to the outside world. Usage Web sites with dynamic content can use URLs that generate pages from the server using query string parameters. These are often rewritten to resemble URLs for static pages on a site with a subdirectory hierarchy. For example, the URL to a wiki page with title ''Rewrite_engine'' might be: http://example.c ...
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Htaccess
An .htaccess (''hypertext access'') file is a directory-level configuration file supported by several web servers, used for configuration of website-access issues, such as URL redirection, URL shortening, access control (for different web pages and files), and more. The 'dot' ( period or full stop) before the file name makes it a hidden file in Unix-based environments. A site could have more than one .htaccess file, and the files are placed inside the web tree (i.e. inside directories and their sub-directories), and hence their other name ''distributed configuration files''. .htaccess files act as a subset of the server's global configuration file (like
) for the directory that they are in, or all sub-directories. The original purpose of .htaccess—reflected in its name—was to allow per-directory access control by, for example, requiring a password to access



Apache HTTP Server
The Apache HTTP Server ( ) is a free and open-source software, free and open-source cross-platform web server, released under the terms of Apache License, Apache License 2.0. It is developed and maintained by a community of developers under the auspices of the Apache Software Foundation. The vast majority of Apache HTTP Server instances run on a Linux distribution, but current versions also run on Microsoft Windows, OpenVMS, and a wide variety of Unix-like systems. Past versions also ran on NetWare, OS/2 and other operating systems, including ports to mainframes. Originally based on the NCSA HTTPd server, development of Apache began in early 1995 after work on the NCSA code stalled. Apache played a key role in the initial growth of the World Wide Web, quickly overtaking NCSA HTTPd as the dominant HTTP server. In 2009, it became the first web server software to serve more than 100 million websites. , Netcraft estimated that Apache served 17.83% of the million busiest websites, w ...
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Oracle IPlanet Web Server
An oracle is a person or thing considered to provide insight, wise counsel or prophetic predictions, most notably including precognition of the future, inspired by deities. If done through occultic means, it is a form of divination. Description The word ''oracle'' comes from the Latin verb ''ōrāre'', "to speak" and properly refers to the priest or priestess uttering the prediction. In extended use, ''oracle'' may also refer to the ''site of the oracle'', and the oracular utterances themselves, are called ''khrēsmoí'' (χρησμοί) in Greek. Oracles were thought to be portals through which the gods spoke directly to people. In this sense, they were different from seers (''manteis'', μάντεις) who interpreted signs sent by the gods through bird signs, animal entrails, and other various methods.Flower, Michael Attyah. ''The Seer in Ancient Greece.'' Berkeley: University of California Press, 2008. The most important oracles of Greek antiquity were Pythia (priestes ...
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Server Side Includes
Server Side Includes (SSI) is a simple interpreted server-side scripting language used almost exclusively for the World Wide Web. It is most useful for including the contents of one or more files into a web page on a web server (see below), using its #include directive. This could commonly be a common piece of code throughout a site, such as a page header, a page footer and a navigation menu. SSI also contains control directives for conditional features and directives for calling external programs. It is supported by Apache, LiteSpeed, nginx, IIS as well as W3C's Jigsaw. It has its roots in NCSA HTTPd. In order for a web server to recognize an SSI-enabled HTML file and therefore carry out these instructions, either the filename should end with a special extension, by default .shtml, .stm, .shtm, or, if the server is configured to allow this, set the execution bit of the file. Design As a simple programming language, SSI supports only one type: text. Its control flow is rath ...
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Mod Perl
mod_perl is an optional module for the Apache HTTP server. It embeds a Perl Interpreter (computing), interpreter into the Apache server. In addition to allowing Apache modules to be written in the Perl programming language, it allows the Apache web server to be dynamically configured by Perl programs. However, its most common use is so that dynamic content produced by Perl Scripting language, scripts can be served in response to incoming requests, without the significant overhead of re-launching the Perl interpreter for each request. Slash (CMS), Slash, which runs the web site Slashdot, is written using mod_perl. Early versions of PHP were implemented in Perl using mod_perl. mod_perl can emulate a Common Gateway Interface (CGI) environment, so that existing Perl CGI scripts can benefit from the performance boost without having to be re-written. Unlike CGI (and most other web application environments), mod_perl provides complete access to the Apache Application programming inter ...
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Netscape Server Application Programming Interface
The Netscape Server Application Programming Interface (NSAPI) is an application programming interface for extending server software, typically web server software. History NSAPI was initially developed by Rob McCool at Netscape for use in Netscape Enterprise Server. A variant of NSAPI can also be used with Netscape Directory Server. Because there is no formal standard, applications that use NSAPI are not necessarily portable across server software. As of 2007, varying degrees of support for NSAPI are found in Sun Java System Web Server and Zeus Web Server. NSAPI plug-ins Applications that use NSAPI are referred to as NSAPI plug-ins. Each plug-in implements one or more Server Application Functions (SAFs). To use a SAF, an administrator must first configure the server to load the plug-in that implements that SAF. This is typically controlled by a configuration file named magnus.conf. Once the plug-in is loaded, the administrator can configure when the server should invoke ...
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Internet Server Application Programming Interface
The Internet Server Application Programming Interface (ISAPI) is an ''n''-tier API of Internet Information Services (IIS), Microsoft's collection of Windows-based web server services. The most prominent application of IIS and ISAPI is Microsoft's web server. The ISAPI has also been implemented by Apache's module so that server-side web applications written for Microsoft's IIS can be used with Apache. Other third-party web servers like Zeus Web Server offer ISAPI interfaces, too. Microsoft's web server application software is called Internet Information Services, which is made up of a number of "sub-applications" and is very configurable. ASP.NET is one such slice of IIS, allowing a programmer to write web applications in their choice of programming language (VB.NET, C#, F#) that's supported by the Microsoft .NET CLR. ISAPI is a much lower-level programming system, giving much better performance, at the expense of simplicity. ISAPI applications ISAPI consists of two components: ...
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Apache JServ
The Apache JServ Protocol (AJP) is a binary protocol that can proxy inbound requests from a web server through to an application server that sits behind the web server. AJP is a highly trusted protocol and should never be exposed to untrusted clients, which could use it to gain access to sensitive information or execute code on the application server. It also supports some monitoring in that the web server can ping the application server. Web implementors typically use AJP in a load-balanced deployment where one or more front-end web servers feed requests into one or more application servers. Sessions are redirected to the correct application server using a routing mechanism wherein each application server instance gets a name (called a ''route''). In this scenario the web server functions as a reverse proxy for the application server. Lastly, AJP supports request attributes which, when populated with environment-specific settings in the reverse proxy, provides for secure communic ...
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FastCGI
FastCGI is a binary protocol for interfacing interactive programs with a web server. It is a variation on the earlier Common Gateway Interface (CGI). FastCGI's main aim is to reduce the overhead related to interfacing between web server and CGI programs, allowing a server to handle more web page requests per unit of time. History Common Gateway Interface (CGI) is an interface specification allowing external applications to interact with web servers. CGI applications run in separate processes, which are created at the start of each request and torn down at the end. This "one new process per request" model makes CGI programs very simple to implement, but limits efficiency and scalability. At high loads, the operating system overhead for process creation and destruction becomes significant. Also, the CGI process model limits resource reuse methods, such as reusing database connections, in-memory caching, etc. To address the scalability shortcomings of CGI, Open Market developed Fast ...
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