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Subject: misc/23544: ipnat with ftp proxy crashes 4.2-stable
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>Number:         23544
>Category:       misc
>Synopsis:       ipnat with ftp proxy crashes 4.2-stable
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Dec 14 08:50:01 PST 2000
>Closed-Date:
>Last-Modified:
>Originator:     Bernhard Valenti
>Release:        FreeBSD 4.2-STABLE i386
>Organization:
>Environment:
System: FreeBSD 4.2-STABLE #0: Wed Nov 22 20:29:03 CET 2000
Arch: P2-333 with 128MB RAM

>Description:
when using ipnat's ftp proxy, eg:
have a rule like  map xl0 10.0.0.0/16 -> <outsideip>/32 proxy port ftp ftp/tcp
the nat machine crashes after downloading some files on a masqueraded
host via ftp. with crashing i mean: all network goes down, i cant use the
directly connected keyboard, it doesnt respond at all(except ctrl-alt-esc).
when i press the ctrl-alt-esc, it puts me into the debugger. then after some
time in the debugger even that stops responding, and i have to use the reset
button to reboot the box.

this does not happen when i remove that very rule from my ipnat.conf.
and that rule worked fine with 4.1.1-stable before updating to 4.2-stable.

>How-To-Repeat:
use ipnat's ftp proxy, and download some files on a masqueraded host via ftp.
it crashes usually between 5 and 15 files.

map xl0 10.0.0.0/16 -> <outsideip>/32 proxy port ftp ftp/tcp

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


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