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List:       ipfilter
Subject:    Re: Strange entries in ipnat -l
From:       Darren Reed <darrenr () reed ! wattle ! id ! au>
Date:       2002-01-30 14:46:17
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In some email I received from Tomi Nylund, sie wrote:
> Hello all,
> 
> I'm using NetBSD-1.5.2 with stock ipf (3.4.9). I added a rule for ftp
> proxying into my ruleset like this:
> 
> map ppp0 192.168.0.0/24  -> 0.0.0.0/32  proxy port ftp ftp/tcp
> 
> Then reloaded NAT config with ipnat -C -f ipnat.conf.
> 
> So far, so good.
> 
> However, I recently checked my active session list with ipnat -l
> and found out the following:
> 
> ---
> List of active sessions:
> MAP 192.168.2.11     34169 <- -> 212.xxx.xxx.xxx   34169 [204.152.184.75
> 21]

NAT translation details

>         proxy ftp/6 use 1 flags 0

ftp proxy for protocol 6, 1 use

>                 proto 6 flags 0 bytes 5301 pkts 30 data
> 0xfffffe00000d7200 psiz 376

info about the proxy data stored

>         FTP Proxy:
>                 passok: 4

"ftp protocol state"

>         Client:
>                 rptr 0xfffffe00000d7220 wptr 0xfffffe00000d7220 seq
> 32cddf13 junk 0

pointers and "junk counter" for the following buffer

>                 buf [CWD NetBSD\015\012\012s\015\012\000]

buffer contents of last packet sent by the client

>         Server:
>                 rptr 0xfffffe00000d72d8 wptr 0xfffffe00000d72d8 seq 0
> junk 0

pointers and "junk counter" for the following buffer

>                 buf [ul.\015\012lease read the file
> README.sup\015\012      it was last modified on Tue Jan 15 09:36:27 2002
> - 4 days ago\015\012250 CWD command successffile README.sup\015\012     
> it was\000]

buffer contents from last packet send by the server
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