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A proxy auto-config ( PAC) file defines how web browsers and other user agents can automatically choose the appropriate proxy server (access method) for fetching a given URL . A PAC file contains a JavaScript function FindProxyForURL(url, host). This function returns a string with one or more access method specifications.
In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource. [1] It improves privacy, security, and performance in the process. Instead of connecting directly to a server that can fulfill a request for a resource, such as a file or web ...
Anonymous proxy. An anonymizer or an anonymous proxy is a tool that attempts to make activity on the Internet untraceable. It is a proxy server computer that acts as an intermediary and privacy shield between a client computer and the rest of the Internet. It accesses the Internet on the user's behalf, protecting personal information of the ...
A proxy list is a list of open HTTP / HTTPS / SOCKS proxy servers all on one website. Proxies allow users to make indirect network connections to other computer network services. Proxy lists include the IP addresses of computers hosting open proxy servers, meaning that these proxy servers are available to anyone on the internet.
HTTP tunneling is used to create a network link between two computers in conditions of restricted network connectivity including firewalls, NATs and ACLs, among other restrictions. The tunnel is created by an intermediary called a proxy server which is usually located in a DMZ . Tunneling can also allow communication using a protocol that ...
Proxy firm. A proxy firm (also a proxy advisor, proxy adviser, proxy voting agency, vote service provider or shareholder voting research provider or proxy voting advisory businesses (PVABs)) provides services to shareholders (in most cases an institutional investor of some type) to vote their shares at shareholder meetings of, usually, listed ...
MediaWiki, the wiki software that powers Wikipedia, depends on IP addresses for administrator intervention against abuse, especially by unregistered users. Open proxies allow malicious users to change IP addresses rapidly, causing continuous disruption that cannot easily be stopped by administrators. Several such attacks have occurred on ...
Squid (software) The LAMP stack with Squid as web cache. Squid is a caching and forwarding HTTP web proxy. It has a wide variety of uses, including speeding up a web server by caching repeated requests, caching World Wide Web (WWW), Domain Name System (DNS), and other network lookups for a group of people sharing network resources, and aiding ...