Wikipedia:Open proxy detection/Explanation: Difference between revisions

Revision as of 00:22, 6 May 2008

Revision as of 01:08, 19 May 2008

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When an IP-address has done an edit, a database with open proxy addresses is automatically searched. This database is periodically maintained and consists of more than half a million IP-addresses and IP-ranges. If a match is found, it is reported on this page.

This automatic reporting only takes place if the server of [[w:nl:Overleg_Gebruiker:RonaldB|RonaldB]] is on-line. This is close to 7/24, but there might be drop-outs.

The system receives input from the <span class="plainlinks">[irc://irc.wikimedia.org/{{CONTENTLANGUAGE}}.{{SITENAME}} irc-stream of recent changes]</span>. If the system is operational, it is logged-in with the name: op-nnnnn, in which nnnnn is a 5-digit number.

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:This provides further info on the type of open proxy. If this is preceded by ''probably'', it means that the IP-address has ever been published as open proxy, but the scanning module has not been able to confirm this to be the case.

:Following types are discerned:

:* '''open proxy''' - a "normal" [[w:en:Open proxy|open proxy]]. The system does not provide the sub type (e.g. transparent, anonymous, etc.).

:* '''TOR exit node''' - an IP-address of the [[w:en:Tor (anonymity network)|TOR]] network, by which servers on the internet can be accessed (which is not the same as a TOR onion node).

:* '''exit server''' - some open proxies use another IP-address (possibly a zombie) to access servers on the internet.

:* '''anonymizer''' - an [[w:en:Anonymizer|anonymizing service]], generally using a web interface (also called CGI or PHP proxy). The IP-address, by which that service is accessing the internet to request pages, is reported. This is not necessarily the same as the IP-address hosting the service.

:* '''web server''' - The IP-address, or the range it belongs to, is solely used for web hosting. It may be hacked or is hosting a CGI/PHP proxy.

:* '''JAP''' - also called [[w:en:Java Anon Proxy|JonDo]], a rarely used and relatively small anonymizing network.

:* '''SSH''' - the IP-address supports the [[w:en:Secure Shell|Secure Shell]] protocol. If an attacker knows the log-in data, he may use the IP-address as a proxy, which propably occurs in 15-20% of the reported cases.

:If the type designation is followed by an asterisk, this means that the IP-address is known in the database with multiple types. The type is shown with the most recent confirmed date.

;in db since