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Index.php
When an HTTP client (generally a web browser) requests a URL that points to a directory structure instead of an actual web page within the directory structure, the web server will generally serve a default page, which is often referred to as a main or "index" page. A common filename for such a page is index.html, but most modern HTTP servers offer a configurable list of filenames that the server can use as an index. If a server is configured to support server-side scripting, the list will usually include entries allowing dynamic content to be used as the index page (e.g. index. cgi, index. pl, index. php, index. shtml, index. jsp, default. asp) even though it may be more appropriate to still specify the HTML output (index.html.php or index.html.aspx), as this should not be taken for granted. An example is the popular open source web server Apache, where the list of filenames is controlled by the DirectoryIndex directive in the main server configuration file or in the configurati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Hypertext Transfer Protocol
HTTP (Hypertext Transfer Protocol) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, where hypertext documents include hyperlinks to other resources that the user can easily access, for example by a mouse click or by tapping the screen in a web browser. Development of HTTP was initiated by Tim Berners-Lee at CERN in 1989 and summarized in a simple document describing the behavior of a client and a server using the first HTTP version, named 0.9. That version was subsequently developed, eventually becoming the public 1.0. Development of early HTTP Requests for Comments (RFCs) started a few years later in a coordinated effort by the Internet Engineering Task Force (IETF) and the World Wide Web Consortium (W3C), with work later moving to the IETF. HTTP/1 was finalized and fully documented (as version 1.0) in 1996. It evolved ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Content Negotiation
In computing, content negotiation refers to mechanisms defined as a part of HTTP that make it possible to serve different versions of a document (or more generally, representations of a resource) at the same URI, so that user agents can specify which version fits their capabilities the best. One classical use of this mechanism is to serve an image in GIF or PNG format, so that a browser that cannot display PNG images (e.g. MS Internet Explorer 4) will be served the GIF version. A resource may be available in several different representations; for example, it might be available in different languages or different media types. One way of selecting the most appropriate choice is to give the user an index page and let them select the most appropriate choice; however it is often possible to automate the choice based on some selection criteria. Mechanisms HTTP provides for several different content negotiation mechanisms including: server-driven (or proactive), agent-driven (or react ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Directory Traversal Attack
A directory traversal (or path traversal) attack exploits insufficient security validation or sanitization of user-supplied file names, such that characters representing "traverse to parent directory" are passed through to the operating system's file system API. An affected application can be exploited to gain unauthorized access to the file system. Examples In PHP A typical example of a vulnerable application in PHP code is: TEMPLATE") include "/home/users/phpguru/templates/" . $template; An attack against this system could be to send the following HTTP request: [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Configuration File
A configuration file, a.k.a. config file, is a computer file, file that stores computer data, data used to configure a software system such as an application software, application, a server (computing), server or an operating system. Some applications provide a tool to create, modify, and verify the syntax of their configuration files sometimes via graphical user interface (GUI). For context, system administrators may be expected to create and modify plain text, text config files via a text editor. For server processes and operating-system settings, there is often no standard tool, but operating systems may provide graphical interfaces such as YaST or debconf. Some computer programs only read their configuration files at Booting, startup. Others periodically check the configuration files for changes. Users can instruct some programs to re-read the configuration files and apply the changes to the current process, or indeed to read arbitrary files as a configuration file. There ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Geotargeting
In geomarketing and internet marketing, geotargeting is the method of delivering different content to visitors based on their geolocation. This includes country, region/state, city, metro code/ zip code, organization, IP address, ISP, or other criteria. A common usage of geotargeting is found in online advertising, as well as internet television with sites such as iPlayer and Hulu. In these circumstances, content is often restricted to users geolocated in specific countries; this approach serves as a means of implementing digital rights management. Use of proxy servers and virtual private networks may give a false location. Geographical information provided by the visitor In geotargeting with geolocation software, the geolocation is based on geographical and other personal information that is provided by the visitor or others. Content by choice Some websites, for example FedEx and UPS, utilize geotargeting by giving users the choice to select their country location. The user ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Internationalization And Localization
In computing, internationalization and localization (American English, American) or internationalisation and localisation (British English, British), often abbreviated i18n and l10n respectively, are means of adapting to different languages, regional peculiarities and technical requirements of a target locale (computer software), locale. Internationalization is the process of designing a software application so that it can be adapted to various languages and regions without engineering changes. Localization is the process of adapting internationalized software for a specific region or language by translating text and adding locale-specific components. Localization (which is potentially performed multiple times, for different locales) uses the infrastructure or flexibility provided by internationalization (which is ideally performed only once before localization, or as an integral part of ongoing development). Naming The terms are frequently abbreviated to the numeronyms ''i18n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Home Page
A home page (or homepage) is the main web page of a website. Usually, the home page is located at the Root directory, root of the website's Domain name, domain or subdomain. For example, if the domain is example.com, the home page is likely located at the URL www.example.com/. The term may also refer to the start page shown in a web browser when the application software, application first opens. Function A home page is the main web page that a visitor will view when they navigate to a website via a search engine, and it may also function as a landing page to attract visitors. In some cases, the home page is a Webserver directory index, site directory, particularly when a website has multiple home pages. Good home Web design, page design is usually a high priority for a website; for example, a news website may curate headlines and first paragraphs of top stories, with hyperlink, links to full articles. According to ''Homepage Usability'', the home page is the "most importan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Web Server Directory List
Web most often refers to: * Spider web, a silken structure created by the animal * World Wide Web or the Web, an Internet-based hypertext system Web, WEB, or the Web may also refer to: Computing * WEB, a literate programming system created by Donald Knuth * GNOME Web, a Web browser * Web.com, a web-design company * Webs (web hosting), a Web hosting and website building service * Web hosting service Engineering * Web (manufacturing), continuous sheets of material passed over rollers ** Web, a roll of paper in offset printing * Web, the vertical element of an I-beam or a rail profile * Web, the interior beams of a truss Films * ''Web'' (2013 film), a documentary * ''Webs'' (film), a 2003 science-fiction movie * ''The Web'' (film), a 1947 film noir * Charlotte's Web (2006 film) Literature * ''Web'' (comics), an MLJ comicbook character (created 1942) * ''Web'' (novel), by John Wyndham (1979) * The Web (series), a science fiction series (1997–1999) * World English Bib ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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CERN HTTPd
CERN httpd (later also known as W3C httpd) is an early, now discontinued, web server (HTTP) daemon originally developed at CERN from 1990 onwards by Tim Berners-Lee, Ari Luotonen and Henrik Frystyk Nielsen. Implemented in C, it was the first web server software. History CERN httpd was originally developed on a NeXT Computer running NeXTSTEP, and was later ported to other Unix-like operating systems, OpenVMS and systems with unix emulation layers, e.g. OS/2 with emx+gcc. It could also be configured as a web proxy server. Version 0.1 was released in June 1991. In August 1991, Berners-Lee announced in the Usenet newsgroup ''alt.hypertext'' the availability of the source code of the server daemon (named ''WWWDaemon'') and other World Wide Web software from the CERN FTP site. The server was presented on the Hypertext 91 conference in San Antonio and was part of the CERN Program Library (CERNLIB). Later versions of the server are based on the libwww library. The developm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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NCSA HTTPd
NCSA HTTPd is a discontinued web server originally developed at the NCSA at the University of Illinois at Urbana–Champaign by Robert McCool and others. First released in 1993, it was among the earliest web servers developed, following Tim Berners-Lee's CERN httpd, Tony Sanders' Plexus server, and some others. It was for some time the server counterpart to NCSA Mosaic. It also introduced the Common Gateway Interface, allowing for the creation of dynamic websites. After Robert McCool left NCSA in mid-1994, the development of NCSA HTTPd slowed greatly. An independent effort, the Apache project, took the codebase and continued; meanwhile, NCSA released one more version (1.5), then ceased development. In August 1995, NCSA HTTPd powered most of all web servers on the Internet; nearly all of them quickly switched over to Apache. By April 1996, Apache passed NCSA HTTPd as the No. 1 server on the Internet, and retained that position until mid-to-late 2016. See also * Comparison of w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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Index Page
A home page (or homepage) is the main web page of a website. Usually, the home page is located at the root of the website's domain or subdomain. For example, if the domain is example.com, the home page is likely located at the URL www.example.com/. The term may also refer to the start page shown in a web browser when the application first opens. Function A home page is the main web page that a visitor will view when they navigate to a website via a search engine, and it may also function as a landing page to attract visitors. In some cases, the home page is a site directory, particularly when a website has multiple home pages. Good home page design is usually a high priority for a website; for example, a news website may curate headlines and first paragraphs of top stories, with links to full articles. According to ''Homepage Usability'', the home page is the "most important page on any website" and receives the most views of any page. A poorly designed home page can ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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HTTP 404
In computer network communications, the HTTP 404, 404 not found, 404, 404 error, page not found, or file not found error message is a hypertext transfer protocol (HTTP) standard response code, to indicate that the browser was able to communicate with a given server, but the server could not find what was requested. The error may also be used when a server does not wish to disclose whether it has the requested information. The website hosting server will typically generate a "404 Not Found" web page when a user attempts to follow a broken or dead link; hence the 404 error is one of the most recognizable errors encountered on the World Wide Web. Overview When communicating via HTTP, a server is required to respond to a request, such as a web browser request for a web page, with a numeric response code and an optional, mandatory, or disallowed (based upon the status code) message. In code 404, the first digit indicates a client error, such as a mistyped Uniform Resource ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |