From Arjan.deVet@adv.iae.nl  Thu Jul 20 16:17:49 2000
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Date: Fri, 21 Jul 2000 01:17:38 +0200 (CEST)
From: Arjan de Vet <Arjan.deVet@adv.iae.nl>
Reply-To: Arjan.deVet@adv.iae.nl
To: FreeBSD-gnats-submit@freebsd.org
Subject: option IPFILTER_DEFAULT_BLOCK not in LINT (ipfilter)
X-Send-Pr-Version: 3.2

>Number:         20075
>Category:       conf
>Synopsis:       option IPFILTER_DEFAULT_BLOCK not in LINT (ipfilter)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    darrenr
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Thu Jul 20 16:20:02 PDT 2000
>Closed-Date:    Tue Jul 25 08:40:28 PDT 2000
>Last-Modified:  Tue Jul 25 08:41:24 PDT 2000
>Originator:     Arjan de Vet
>Release:        FreeBSD 4.1-RC i386
>Organization:
-
>Environment:

FreeBSD adv.iae.nl 4.1-RC FreeBSD 4.1-RC #31: Thu Jul 20 18:50:34 CEST
2000     root@adv.iae.nl:/usr/src/sys/compile/ADV  i386

>Description:

Option IPFILTER_DEFAULT_BLOCK is not listed in LINT. It makes ipfilter
block all packets by default which I consider a very useful option from
a security point of view: failing to load filter rules will deny any
network traffic instead of allowing all traffic.

>How-To-Repeat:

-
>Fix:

Index: LINT
===================================================================
RCS file: /home/freebsd/CVS/src/sys/i386/conf/Attic/LINT,v
retrieving revision 1.749.2.17
diff -u -r1.749.2.17 LINT
--- LINT	2000/07/20 19:07:02	1.749.2.17
+++ LINT	2000/07/20 23:11:23
@@ -536,6 +536,7 @@
 options 	IPDIVERT		#divert sockets
 options 	IPFILTER		#ipfilter support
 options 	IPFILTER_LOG		#ipfilter logging
+options 	IPFILTER_DEFAULT_BLOCK	#block all packets by default
 options 	IPSTEALTH		#support for stealth forwarding
 options 	TCPDEBUG
 


>Release-Note:
>Audit-Trail:
Responsible-Changed-From-To: freebsd-bugs->darrenr 
Responsible-Changed-By: sheldonh 
Responsible-Changed-When: Fri Jul 21 02:39:23 PDT 2000 
Responsible-Changed-Why:  
Over to the ipfilter maintainer. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=20075 
State-Changed-From-To: open->closed 
State-Changed-By: asmodai 
State-Changed-When: Tue Jul 25 08:40:28 PDT 2000 
State-Changed-Why:  
patch committed. 
Thanks! 

http://www.freebsd.org/cgi/query-pr.cgi?pr=20075 
>Unformatted:
