Last modified: 2012-08-03 13:53:35 UTC

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Bug 3340 - Allowing subset of a blocked IP Ranges
Allowing subset of a blocked IP Ranges
Status: NEW
Product: MediaWiki
Classification: Unclassified
Special pages (Other open bugs)
1.5.x
All All
: Low enhancement with 2 votes (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2005-09-03 04:28 UTC by Luke Stevenson
Modified: 2012-08-03 13:53 UTC (History)
3 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments

Description Luke Stevenson 2005-09-03 04:28:58 UTC
I realise that IP Addresses can now be blocked using CIDR masks of 
between 16 & 32, which is an improvement on single IP Addresses.

For my application, I am wanting to have a restricted number of 
terminals that can access the Wiki.

My suggestions are two-fold:
- Add Full CIDR Support, allowing blocking of any and all ranges of 
addresses.
- Add An "Allow" Option, permitting overidding of the Blocks, and 
thereby providing a good tool for very restrictive access.

The idea here being that a large range of addresses can be blocked 
(eg 172.136.0.0/16) but by processing the "Allow" list after 
the "Block" list (and only if the accessing IP is within a Blocked 
range), I could specify that 172.136.5.0/24 be allowed to access the 
system.

NOTE: I am a newbie, and I have tried to find resources to allow 
this kind of functionality, but without success. If I need 
to "RTFM", feel free to tell me so.
Comment 1 Antoine "hashar" Musso (WMF) 2005-09-18 11:16:28 UTC
Changing summary. Switching to feature request.

There is no such thing as allowing a block of IP addresses. Special:Blockip
just block stuff and that should usually be enough :)

MediaWiki is hardcoded to disallow blocking of block that are more than
a /16 . You can still hack the code around to allow something bigger ;o)

Comment 2 Luke Stevenson 2005-09-18 11:25:42 UTC
Thanks Ashar,

That's what I was looking for - why is MediaWiki hard-coded to limit the block 
size to /16 ? Why not allow larger blocks that that?
Comment 3 Rob Church 2006-04-04 09:37:15 UTC
(In reply to comment #2)
> Thanks Ashar,
> 
> That's what I was looking for - why is MediaWiki hard-coded to limit the block 
> size to /16 ? Why not allow larger blocks that that?

To stop sysops who don't understand how it works from blocking massive subnets
and causing serious problems.
Comment 4 Michael Daly 2007-06-22 17:19:08 UTC
Could this be changed to allow any range for sysops who _do_ know what they're doing?  Perhaps with a parameter in LocalSettings.php so the wiki admin can limit the damage or not (e.g. wgCIDRlimit = 16;)?

I have a lot of problems with spam via several companies within the Asia Pacific Network and see no reason why I shouldn't be able to block nnn.0.0.0/8 without having to enter 256 separate blocks of nnn.nnn.0.0/16.  If I had one single valid user in these ranges, I'd deal with them separately.
Comment 5 Chad H. 2009-10-30 21:42:22 UTC
Added $wgBlockCIDRLimit in r58377. Other request (exempting specific IPs from a range block) is not done, though.

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