kern/158726: ICMPv6 Router Announcement flooding limit route number patch

[Clement LECIGNE]

>Number:         158726
>Category:       kern
>Synopsis:       ICMPv6 Router Announcement flooding limit route number patch
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Jul 08 09:30:02 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Clement LECIGNE
>Release:        FreeBSD-*
>Organization:
NETASQ
>Environment:
>Description:
Description is located here:

http://seclists.org/fulldisclosure/2011/Apr/86

NetBSD has issued a patch to limit the number of routes (tunnable via sysctl). I have just ported it to FreeBSD.
>How-To-Repeat:
Use tools from THC.
>Fix:
Patch against HEAD based on the NetBSD one (http://www.netbsd.org/~spz/rtadv-limit.diff).

http://clem1.be/gimme/rtadv-limit.diff

>Release-Note:
>Audit-Trail:
>Unformatted: