Michael:
Heya. Have a look here:
ftp://ftp.echogent.com/docs/FTP_and_Firewalls.pdf
It describes how to get passive FTP working behind
a firewall, both on the client side and on the server side.
Essentially, you need to configure *both* your firewall
and the FTP server to work together, and not all FTP servers
are flexible enough to handle it. I know that wu-ftpd is,
I do not know about War-FTPD.
Also, FWIW, active and passive mode have nothing to
do with what username you're logging in as.
Good luck!
-Scott
> Has anybody used War-FTPD on the inside of an Eigerstein LRP? I've
> put it up, and it works from some networks and not from others -- I can
> dial into different ISP's and depending upon which one I use, I can't
> get to my War-FTPD server behind my LRP.
>
> When I use DOS ftp, I get the username/passwd prompt and can do pwd, cd,
> mkdir, rmdir, etc. However, as soon as I try to do an ls -l or get, it
> just hangs. In the case of an ls -l, I get a message:
>
> 200 Port command okay.
> 150 Opening ASCII NO-PRINT mode data connection for ls -l.
>
> But nothing ever comes back.
>
> I'm assuming that the whole passive connection thing doesn't apply to me
> since I'm using named username and passwords as opposed to anonymous --
> or does that make a difference? I've tried to read about the difference
> between active and passive modes, and know that active is easier to
> setup and use. Is the issue NAT'ing? If there is NAT going on boths
> sides of the ftp, it seems to happen (the hanging), but if it is only on
> the server side, it doesn't (no hanging). The thing I don't understand
> is if the client (on the inside of a firewall) has ftp (20,21) wide open
> from the inside (albeit NAT'd), why doesn't the connection work?
>
> When I use my Qwest DSL connection (with a Cisco 675 DSL router which
> NAT's me to 10.0.0.x) to DOS ftp to my Cable Modem (where the LRP is -
> from a wholly different provider with an entirely different network), I
> can do a DOS ftp just fine without any problems....If I go to work and
> try to DOS ftp to my home, I get the hanging problem. That would lead
> me to believe that it is a problem with my corporate firewall. However,
> from work, I can do a DOS FTP to ftp.rpmfind.net and everything works
> fine -- no hanging.
>
> Can anybody help me out? I'm at wits end....
>
> thanks.
>
> mike.
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