Outgoing FTP connections with pf and ftp-proxy

[Jonathan Horne]

On Sunday 27 January 2008 03:31:21 pm NetOpsCenter wrote:
> Matthias Kellermann wrote:
> > Hi list,
> >
> > I'm trying to get outgoing FTP sessions to work with pf and
> > ftp/ftp-proxy in a NAT environment.
> >
> > My simple config on a test machine looks like this:
> > ------------------------------------------------------------------
> > int_if = "rl0"
> > localnet = "192.168.0.0/24"
> > tcp_services = "{ ssh, domain, www, https, ftp }"
> > udp_services = "{ domain }"
> >
> > nat on $int_if from $localnet to any -> ($int_if)
> >
> > rdr pass proto tcp from any to any port ftp -> 127.0.0.1 port 8021
> >
> > block all
> >
> > pass from $localnet to any keep state
> > pass proto udp to any port $udp_services keep state
> >
> > pass out proto tcp to any port $tcp_services keep state
> >
> > pass in proto tcp from any to any user proxy keep state
> > pass in proto tcp from any to any port ssh keep state
> > ------------------------------------------------------------------
> >
> > FTP login works fine. But if I want to do a "ls" on the FTP server I get
> > the following error on the client (no matter if NAT client or gateway):
> >
> > 425 Failed to establish connection.
> >
> > Any idea whats wrong with my setup?
> >
> > Thanks,
> > Matthias
>
> Aloha Matthias,
>
> I am having the same ftp problem on  servers that are on  an ATM 5 IP
> circuit.  There is no NAT involved with one of these. The outbound FTP
> goes out but I cant get the files to list when I go  inbound  from
> outside on an recognized IP.
> SSH on the same box works fine.
> It would make my day to get this working.
>
>  ~Al Plant - Honolulu, Hawaii -  Phone:  808-284-2740
>   + http://hawaiidakine.com + http://freebsdinfo.org + noc at hdk5.net +
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>
>
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what about adding port 20 to your tcp_services definition (or perhaps pf will 
accept the word 'ftp-data') ?

hth,
-- 
Jonathan Horne
http://dfwlpiki.dfwlp.org
freebsd08 _ at _ dfwlp.com