From alexs@snark.ratmir.ru  Fri Mar 15 13:12:11 2002
Return-Path: <alexs@snark.ratmir.ru>
Received: from snark.ratmir.ru (snark.ratmir.ru [213.24.248.177])
	by hub.freebsd.org (Postfix) with ESMTP id D5C4E37B400
	for <FreeBSD-gnats-submit@freebsd.org>; Fri, 15 Mar 2002 13:12:09 -0800 (PST)
Received: (from alexs@localhost)
	by snark.ratmir.ru (8.11.6/8.11.6) id g2FLC5o02675;
	Sat, 16 Mar 2002 00:12:05 +0300 (MSK)
	(envelope-from alexs)
Message-Id: <200203152112.g2FLC5o02675@snark.ratmir.ru>
Date: Sat, 16 Mar 2002 00:12:05 +0300 (MSK)
From: Alex Semenyaka <alexs@ratmir.ru>
Reply-To: Alex Semenyaka <alexs@ratmir.ru>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: Insufficient description of ``log_in_vain'' sysctl in tcp(4)
X-Send-Pr-Version: 3.113
X-GNATS-Notify:

>Number:         35932
>Category:       docs
>Synopsis:       Insufficient description of ``log_in_vain'' sysctl in tcp(4)
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    yar
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          doc-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Mar 15 13:20:00 PST 2002
>Closed-Date:    Wed Apr 24 03:17:57 PDT 2002
>Last-Modified:  Wed Apr 24 03:17:57 PDT 2002
>Originator:     Alex Semenyaka
>Release:        FreeBSD 4.5-STABLE i386
>Organization:
Ratmir ADS
>Environment:
System: FreeBSD snark.ratmir.ru 4.5-STABLE FreeBSD 4.5-STABLE #6: Fri Mar 15 01:16:18 MSK 2002 root@snark.ratmir.ru:/usr/obj/usr/src/sys/SNARK i386

>Description:

There is several possible values for the MIB net.inet.tcp.log_in_vain, as it
is obvious from the /usr/src/sys/netinet/tcp_input.c. The value of '1' forces
to log only SYN-packets, value of '2' means log all, and all other values
turn logging off. Unfortunatelly there is no description of these values in 
tcp(4) or rc.conf(5) while it might be useful for system administrators.

>How-To-Repeat:

man 4 tcp

>Fix:

--- tcp.4	Sat Mar 16 00:01:35 2002
+++ tcp.4.new	Sat Mar 16 00:05:17 2002
@@ -215,7 +215,9 @@
 Maximum TCP receive window.
 .It tcp.log_in_vain
 Log any connection attempts to ports where there is not a socket
-accepting connections.
+accepting connections. If set to '1' logs TCP-packets with SYN
+flag set, set to '2' forces to log any. All other values is 
+equivalent to '0' (turns logging off).
 .It tcp.slowstart_flightsize
 The number of packets allowed to be in-flight during the
 .Tn TCP

>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->analyzed 
State-Changed-By: yar 
State-Changed-When: Tue Apr 16 06:19:57 PDT 2002 
State-Changed-Why:  
A bit different change introduced to -current, thanks. 


Responsible-Changed-From-To: freebsd-doc->yar 
Responsible-Changed-By: yar 
Responsible-Changed-When: Tue Apr 16 06:19:57 PDT 2002 
Responsible-Changed-Why:  
MFC reminder 

http://www.freebsd.org/cgi/query-pr.cgi?pr=35932 
State-Changed-From-To: analyzed->patched 
State-Changed-By: yar 
State-Changed-When: Thu Apr 18 23:00:15 PDT 2002 
State-Changed-Why:  
I missed that now we use the "patched" state when a fix is awaiting MFC. 
Thank Ruslan Ermilov <ru@FreeBSD.ORG> for pointing out. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=35932 
State-Changed-From-To: patched->closed 
State-Changed-By: yar 
State-Changed-When: Wed Apr 24 03:16:24 PDT 2002 
State-Changed-Why:  
Fixed in both branches, thanks! 

http://www.freebsd.org/cgi/query-pr.cgi?pr=35932 
>Unformatted:
