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From: Peter Wemm <peter@FreeBSD.org>
Date: Sun, 8 Dec 2013 05:55:56 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r259094 - head/etc/rc.d
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Author: peter
Date: Sun Dec  8 05:55:55 2013
New Revision: 259094
URL: http://svnweb.freebsd.org/changeset/base/259094

Log:
  Rev 256256 had an undocumented side effect of breaking existing behavior
  for ipv6 jails.
  
  Among the harmful side effects included putting a route to an entire /64
  onto an interface even if you were in a smaller network - eg: /80.
  This broke the freebsd.org cluster hosted at ISC which has /80 networks.

Modified:
  head/etc/rc.d/jail

Modified: head/etc/rc.d/jail
==============================================================================
--- head/etc/rc.d/jail	Sun Dec  8 03:49:45 2013	(r259093)
+++ head/etc/rc.d/jail	Sun Dec  8 05:55:55 2013	(r259094)
@@ -319,8 +319,8 @@ jail_extract_address()
 		_mask=${_mask:-/32}
 
 	elif [ "${_type}" = "inet6" ]; then
-		# In case _maske is not set for IPv6, use /64.
-		_mask=${_mask:-/64}
+		# In case _maske is not set for IPv6, use /128.
+		_mask=${_mask:-/128}
 	fi
 }