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2. Proxy server - Wikipedia

   en.wikipedia.org/wiki/Proxy_server

   A proxy server may reside on the user's local computer, or at any point between the user's computer and destination servers on the Internet. A proxy server that passes unmodified requests and responses is usually called a gateway or sometimes a tunneling proxy. A forward proxy is an Internet-facing proxy used to retrieve data from a wide range ...

3. Anonymous proxy - Wikipedia

   en.wikipedia.org/wiki/Anonymous_proxy

   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 ...

4. Tor (network) - Wikipedia

   en.wikipedia.org/wiki/Tor_(network)

   Tor [6] is a free overlay network for enabling anonymous communication. Built on free and open-source software and more than seven thousand volunteer-operated relays worldwide, users can have their Internet traffic routed via a random path through the network. [7] [8]

5. Open proxy - Wikipedia

   en.wikipedia.org/wiki/Open_proxy

   An open proxy is a type of proxy server that is accessible by any Internet user. Generally, a proxy server only allows users within a network group (i.e. a closed proxy) to store and forward Internet services such as DNS or web pages to reduce and control the bandwidth used by the group. With an open proxy, however, any user on the Internet is ...

6. Psiphon - Wikipedia

   en.wikipedia.org/wiki/Psiphon

   Psiphon is a free and open-source Internet censorship circumvention tool that uses a combination of secure communication and obfuscation technologies, such as a VPN, SSH, and a Web proxy. Psiphon is a centrally managed and geographically diverse network of thousands of proxy servers, using a performance-oriented, single- and multi-hop routing ...

7. Squid (software) - Wikipedia

   en.wikipedia.org/wiki/Squid_(software)

   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 ...

8. Reverse proxy - Wikipedia

   en.wikipedia.org/wiki/Reverse_proxy

   In computer networks, a reverse proxy or surrogate server is a proxy server that appears to any client to be an ordinary web server, but in reality merely acts as an intermediary that forwards the client's requests to one or more ordinary web servers. [1] [2] Reverse proxies help increase scalability, performance, resilience, and security, but ...

9. HTTP tunnel - Wikipedia

   en.wikipedia.org/wiki/HTTP_tunnel

   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 ...