I think you need the -p switch rather than the -a switch.
Alternatively, open your ftp session, login
then just type "passive" before attempting an ls
HTH,
Jon
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Ben Kennish
> Sent: 06 August 2001 11:47
> To: [EMAIL PROTECTED]
> Subject: [OT] - Re: FTP requires ICMP
>
>
> Anyone know how to select passive mode using the 'ftp' binary? I
> tried "ftp -a" but that didn't work. Every time I try an "ls"
> command I get...
>
> 425 Can't build data connection: Connection refused
>
> Without the "-a" option gives me a..
>
> "200 PORT command successful."
> but it just hangs.
>
> Any advice?
>
> Cheers,
>
>
> Ben K
>
> ----- Original Message -----
> From: "J�rgen Waibel" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Monday, August 06, 2001 11:17 AM
> Subject: AW: [OT] - FTP requires ICMP
>
>
> Hi,
>
> FTP does not need icmp to work. Your firewall might block ftp-data
> connections established by the server. Try using active or
> passive ftp-data
> connections which your ftp-client.
>
> kind regards
>
> JWD
> J�rgen Waibel
>
> --
> JWD - Juergen Waibel Telefon: 06224/950349
> Heltenstr. 1 Telefax: 06224/921782
> 69181 Leimen WEB: http://www.jwd.de/
>
> Meine Digitale Visitenkarte: http://www.koepfe.de/me.asp?ID=40051
>
>
> > -----Urspr�ngliche Nachricht-----
> > Von: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]Im Auftrag von Ben Kennish
> > Gesendet: Montag, 6. August 2001 11:23
> > An: [EMAIL PROTECTED]
> > Betreff: [OT] - FTP requires ICMP
> >
> >
> > Does anybody know whether the FTP-DATA port requires ICMP
> > packets? It's just that we've just had our new link put in (34mbps!
> > Hooray!) but can't seem to get any FTP connections working. We
> > know that ICMP is blocked by a firewall
> >
> > We can connect to the ftp servers but starting downloading etc
> > fails (presumably when it tries to access the ftp-data port rather
> > than the ftp port.) Any help would be appreciated.
> >
> > Thanks,
> >
> >
> > Ben Kennish
> > [EMAIL PROTECTED]
> > www.fubra.com
> >
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