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Proxy list

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This is an old revision of this page, as edited by Xap (talk | contribs) at 05:16, 7 February 2007 (expanded). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

A proxy list is a list of websites classified as proxies all on one website. These lists include the IPs of computers hosting open proxy servers, meaning proxy servers that are available to anyone on the internet. Proxy lists are often divided by the various proxy protocols the servers use, most commonly:

  • HTTP
  • HTTPS (HTTP proxies allowing connections to any port)
  • SOCKS4/4a/5

Proxy lists are actively updated, as the availability of many proxy servers is very sporadic. Some lists are freely available to anyone, others require a paid subscription. Proxy lists are most commonly compiled using automated software which scans the internet for known proxy identifiers such as open ports or HTTP headers.

Proxy lists have a reputation of existing in a legal "gray area", because many of the computers listed may not be deliberately offering proxy service to all internet users. Some computers on a proxy list have either been accidentally configured to act as proxies, or had proxy software maliciously installed by computer criminals.

Because of their unsavory reputation, the IPs listed in proxy lists are often added into spam blacklists, which identify computers likely to send spam. Blacklist maintainers reason that computers listed as operating open proxies have likely been mis-configured or compromised to send spam or other malicious traffic.

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