I have a DNS-321 storage drive that successfully transfers on port 21. When I switch to port 1025 I get the following message:
elcome to Core FTP, release ver 2.2, build 1798 (x86.U) -- © 2003-2014
WinSock 2.0
Mem -- 2,086,980 KB, Virt -- 2,097,024 KB
Started on Saturday July 26, 2014 at 15:44:PM
Resolving abc.domain.net...
Connect socket #656 to 162.197.197.180, port 1025...
220---------- Welcome to Pure-FTPd [TLS] ----------
220-You are user number 1 of 10 allowed.
220-Local time is now 15:44. Server port: 1025.
220-This server supports FXP transfers
220---------- Welcome to Pure-FTPd [TLS] ----------
USER dgibble
331 User dgibble OK. Password required
PASS **********
230 OK. Current restricted directory is /
SYST
215 UNIX Type: L8
Keep alive off...
PWD
257 "/" is your current location
PORT 192,168,1,193,75,34
200-FXP transfer: from 50.11.145.225 to 192.168.1.193
200 PORT command successful
LIST
425 Could not open data connection to port 19234: No route to host
QUIT
elcome to Core FTP, release ver 2.2, build 1798 (x86.U) -- © 2003-2014
WinSock 2.0
Mem -- 2,086,980 KB, Virt -- 2,097,024 KB
Started on Saturday July 26, 2014 at 15:44:PM
Resolving abc.domain.net...
Connect socket #656 to 162.197.197.180, port 1025...
220---------- Welcome to Pure-FTPd [TLS] ----------
220-You are user number 1 of 10 allowed.
220-Local time is now 15:44. Server port: 1025.
220-This server supports FXP transfers
220---------- Welcome to Pure-FTPd [TLS] ----------
USER dgibble
331 User dgibble OK. Password required
PASS **********
230 OK. Current restricted directory is /
SYST
215 UNIX Type: L8
Keep alive off...
PWD
257 "/" is your current location
PORT 192,168,1,193,75,34
200-FXP transfer: from 50.11.145.225 to 192.168.1.193
200 PORT command successful
LIST
425 Could not open data connection to port 19234: No route to host
QUIT