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Message-Id: <201109210706.p8L76s1q093707@red.freebsd.org>
Date: Wed, 21 Sep 2011 07:06:54 GMT
From: chenyiyi <chenyy@sifinc.cn>
To: freebsd-gnats-submit@FreeBSD.org
Subject: port 21 
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>Number:         160865
>Category:       misc
>Synopsis:       port 21
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    gavin
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Wed Sep 21 07:10:08 UTC 2011
>Closed-Date:    Sat Oct 08 11:39:22 UTC 2011
>Last-Modified:  Sat Oct 08 11:39:22 UTC 2011
>Originator:     chenyiyi
>Release:        8.2
>Organization:
sifinc.cn
>Environment:
FreeBSD  8.2-RELEASE FreeBSD 8.2-RELEASE #0: Tue Sep 13 09:21:08 CST 2011    
>Description:
Not open port 21, but it can TElnet login
::
ipfw:add
add 10219 deny tcp from any to me 21 in via bge0 setup keep-state
add 10220 deny udp from ayy to me 21 in via bge0 setup keep-state
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: gavin 
State-Changed-When: Sat Oct 8 08:07:20 UTC 2011 
State-Changed-Why:  
Hi, 

Telnet uses port 23, not port 21.  I suspect this is the cause of your problems. 
In general, these days, you probably don't want to be running a telnet server 
anyway, even if it is firewalled - expecially when your firewall rules simply 
denies all connections to it from anywhere, there is no point in running the 
server. 

You also have a spelling mistake in your rules: "ayy" should be "any". 



Responsible-Changed-From-To: freebsd-i386->gavin 
Responsible-Changed-By: gavin 
Responsible-Changed-When: Sat Oct 8 08:07:20 UTC 2011 
Responsible-Changed-Why:  
Track 

http://www.freebsd.org/cgi/query-pr.cgi?pr=160865 
State-Changed-From-To: feedback->closed 
State-Changed-By: gavin 
State-Changed-When: Sat Oct 8 11:39:02 UTC 2011 
State-Changed-Why:  
Mail to submitter bounces. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=160865 
>Unformatted:
