Re: Multiple ftp sites, 1 ip, diff ports
From: Bernard (qbernard_at_hotmail.com.discuss)
Date: 03/17/05
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Date: Thu, 17 Mar 2005 13:49:48 +0800
It is X - 1
so if you got 21, then it uses 20
if you running on 23, then it need 22.
however, for inbound you only need 21 and 23.
20, and 22 are for outbound only.
when testing, use ftp.exe to test first.
-- Regards, Bernard Cheah http://www.tryiis.com/ http://support.microsoft.com/ http://www.msmvps.com/bernard/ "Tom Allen" <tsa68@[removethisfirst]verizon.net> wrote in message news:ezqxdWlKFHA.3512@TK2MSFTNGP15.phx.gbl... >I tried 23, didn't work, and I have ports 20 to 24 opened up > on firewall device too. > > Any more help out there? > > How do I know what port data is being transmitted back on? > > Any way to log it? > > > > "Alun Jones [MSFT]" <alunj@online.microsoft.com> wrote in message > news:e12slybKFHA.568@TK2MSFTNGP09.phx.gbl... >> FTP sites use two fixed local ports - the main port that any control >> connections will come in on, and the port from which outgoing data >> connections will be made. Note that outgoing data connections may be >> made >> for outgoing _or_ incoming data transfers. The second port is one less > than >> the first port. >> >> Your second FTP server is trying to bind to ports 22 and 21, but your > first >> FTP server already has ports 21 and 20 bound. Try 23 and 21. >> >> Alun. >> ~~~~ >> -- >> Software Design Engineer, Internet Information Server (FTP) >> This posting is provided "AS IS" with no warranties, and confers no > rights. >> >> "Tom Allen" <tsa68@[removethisfirst]verizon.net> wrote in message >> news:OC7zDcaKFHA.3336@TK2MSFTNGP09.phx.gbl... >> >I have set up two ftp sites on SBS 2003 Std edition, default >> > has unlimited read-only access for my customers to download >> > unsecure company files, the second is restricted access for one >> > user only. >> > >> > ftp 1, port 21 >> > ftp 2, port 22 >> > >> > Cannot get port 22 to work no matter what I do and firewall >> > has been opened up for ports 20-22 on ftp. >> > >> > If I test each ftp site seperately on port 21, it works perfect. >> > >> > HELP! >> > >> > >> >> > >
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