Talk:XFF project/Archives/2008
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Opera Mini
There's been some discussion about the Opera Mini mobile browser on the English Wikipedia. It seems that any edits made with that browser, including those using its online demo applet, go through a proxy network and come out of multiple IPs in the 195.189.142.0/23 range. However, the requests do seem to carry X-Forwarded-For headers, which, for the demo applet at least, point to a single host, demo.opera-mini.net (195.189.142.176). I suspect that, for actual mobile users, the headers will point to the address at which the request entered the proxy network, which may be more stable than the address at which they emerge.
Thus, adding the Opera Mini proxy network to the trusted XFF list should at least allow us to distinguish genuine mobile Opera Mini users from those (ab)using the demo applet. Does this seem like a good idea? Of course, it'd be even better if we could persuade the folks at Opera to provide a full chain of XFF headers pointing back to the user's actual IP address, for the demo interface at least. --Ilmari Karonen 16:15, 30 September 2007 (UTC)
- Update: It seems that, for mobile users, the proxies do pass existing XFF headers; it's only the demo interface which cuts the list at the entry point. So I'd definitely support adding these proxies (which all seem to have hostnames of the form pNN-NN.opera-mini.net) to the trusted XFF list. Now if we could only get them to fix the demo interface...--Ilmari Karonen 21:46, 30 September 2007 (UTC)
- I've compiled what may or may not be a complete list of the proxies at en:User:Ilmari Karonen/sandbox/Opera Mini. The range of the second number pair seems to be 01–16; the first number pair (currently?) goes from 01 to 11, with gaps at 02 and 06. Incidentally, the list shows that four of the proxies seem to be in a different IP range (80.232.117.0/24) than the others. --Ilmari Karonen 01:14, 1 October 2007 (UTC)
- Bump - please can the list Ilmari has built above be added? The conversation at w:Wikipedia:Administrators'_noticeboard#Opera-Mini might be of interest. Proto 08:49, 2 July 2008 (UTC)
- See the request on Bugzilla:14700 from yesterday. Raymond 09:00, 2 July 2008 (UTC)