>Number:         154469
>Category:       bin
>Synopsis:       ftp-proxy bug, merge from openbsd ?
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Feb 02 16:00:22 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Kurt Jaeger
>Release:        FreeBSD 8.1-RELEASE amd64
>Organization:
-
>Environment:
System: FreeBSD home.opsec.eu 8.1-RELEASE FreeBSD 8.1-RELEASE #0: Mon Jul 19 
02:36:49 UTC 2010 r...@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64


>Description:
        FreeBSD version of
        /usr/src/contrib/pf/ftp-proxy/ftp-proxy.c
        is version 1.13.

        OpenBSD has a fix for an annoying problem:

        
http://www.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/ftp-proxy/ftp-proxy.c.diff?r1=1.17;r2=1.18;f=h

>How-To-Repeat:
        transfer files via FTP from a client behind a pf ruleset with NAT
        and ftp-proxy running.

        Sometimes, the ftp server will send a "221 Bye" packet and
        the client will never see the 'bye', but will only see a
        tcp disconnect. This causes some automated transfers systems
        that use FTP to retransmit.

>Fix:

        Apply the fix from OpenBSD.

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