please inform what is this nc thing ? do i issue this command from the command prompt of my window client ? i am a total novice and request to be excused for asking such silly questions.
At 03:29 PM 4/12/2002 +0530, Binand Raj S. wrote: >On Friday 12 April 2002 15:21 pm, sha kan wrote: > > Hello Binand Raj S, > > > > Thanks for your prompt reply. One more pbl. > >I hate sourceforge. Please click on Reply All and *remove* the >non-list addresses from the To: list, before sending. > > > when i'm try to access remote ftp server using ws_ftp > > or any telnet ftp, it gets authenticated, But while > > giving dir, ls commands only error results like "500 > > Illegal port command". > > I've tried 'passive on' too, but same results. > > I don't knowwhere the problem. > > plz help asap. > >You need to understand the FTP protocol some more. It requires two >connections - one control connection (the one you create by telnetting) >and another data connection - the one you didn't create. > >Try this: > >binand@binand[~]:(12) nc ftp 21 >220 marabar.cysphere.com FTP server (Version wu-2.6.1-16) ready. >USER anonymous >331 Guest login ok, send your complete e-mail address as password. >PASS [EMAIL PROTECTED] >230 Guest login ok, access restrictions apply. >PASV >227 Entering Passive Mode (10,0,2,43,185,127) > >See that? The server is telling you how to get the data you requested >for. You need to connect to that IP/port combination to get data - the >first four numbers are the IP, the last two the port. The port to connect >is 185 * 256 + 127 = 47487. So I do another nc in another window, and then: > >LIST >150 Opening ASCII mode data connection for directory listing. >226 Transfer complete. > >In the other nc window, I get: > >binand@binand[~]:(19) nc ftp 47487 >total 32 >d--x--x--x 2 root root 4096 Feb 21 09:01 bin >d--x--x--x 2 root root 4096 Feb 21 09:01 etc >dr-xr-xr-x 2 root root 4096 Feb 21 09:50 lib >dr-xr-xr-x 10 root root 4096 Apr 2 11:53 pub > >Simple, isn't it? > >For active FTP, try this (taking the same port number as above, to simplify): > >binand@binand[~]:(20) nc -l -p 47487 > >and in the FTP window, >PORT 10,0,0,14,185,127 >200 PORT command successful. >LIST >150 Opening ASCII mode data connection for directory listing. >226 Transfer complete. > >And get a similar directory listing in the nc -l window. > >Binand > >_______________________________________________ >linux-india-help mailing list >[EMAIL PROTECTED] >https://lists.sourceforge.net/lists/listinfo/linux-india-help Goutam Baul Corporate Information Systems Phone : 236 5470 225 6040 (Extn. 691) Fax : 225 1581 Website : www.cescltd.com _______________________________________________ linux-india-help mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/linux-india-help
