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Bug #66229 isn't reserved any longer.
Submitted: 2013-12-03 22:20 UTC Modified: 2013-12-03 22:55 UTC
From: georgestephanis at automattic dot com Assigned: aharvey
Status: Closed Package: Filter related
PHP Version: Irrelevant OS:
Private report: No CVE-ID:
 [2013-12-03 22:20 UTC] georgestephanis at automattic dot com
As per RFC3330: - This block, corresponding to the numerically lowest of
   the former Class B addresses, was initially and is still reserved by
   the IANA.  Given the present classless nature of the IP address
   space, the basis for the reservation no longer applies and addresses
   in this block are subject to future allocation to a Regional Internet
   Registry for assignment in the normal manner.


still tests for 128.0.x.x

Test script:
$valid = filter_var( '', FILTER_VALIDATE_IP, FILTER_FLAG_NO_RES_RANGE );

Expected result:
$valid === '';

Actual result:
$valid === false;


dont-reserve-128-0-x-x (last revision 2013-12-03 22:20 UTC) by georgestephanis at automattic dot com)

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 [2013-12-03 22:21 UTC]
-Status: Open +Status: Assigned -Assigned To: +Assigned To: aharvey
 [2013-12-03 22:55 UTC]
-Status: Assigned +Status: Closed
 [2013-12-03 22:55 UTC]
The fix for this bug has been committed.

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Fixed in 5.4, 5.5, 5.6 and master.
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Last updated: Sun Oct 04 19:01:34 2015 UTC