Here's the scenario, I've got an IIS Server running FTP on 2121 behind an ASG120.
Internally, the FTP site works fine, externally, I get this error:
Response: 200 OPTS UTF8 command successful - UTF8 encoding now ON.
Status: Connected
Status: Retrieving directory listing...
Command: PWD
Response: 257 "/" is current directory.
Command: TYPE I
Response: 200 Type set to I.
Command: PORT 10,100,8,62,250,16
Command: PASV
Response: 227 Entering Passive Mode (EXT,IP,OF,WAN,111,244).
Command: LIST
Response: 150 Opening BINARY mode data connection.
Error: Connection timed out
Error: Failed to retrieve directory listing
EXT,IP,OF,WAN is the WAN address of my FW.
Here is how I've got the ASG configured.
MASQUERADING DNAT is INTERNAL to EXTERNAL(WAN)
DNAT: ANY -> 2121 -> (External WAN Address), Dest: MyFTPServer
Firewall:
FTP Server -> Any (ports) -> Any = ALLOW
Any -> 2121 -> FTP Server = ALLOW
I have a suspicion that after 2121, FTP invokes other ports, but I'm not sure what those would be or if I can set them in IISes FTP Server Settings (Server 2008 R2).
Any and all advice would be very much appreciated. I'm new to the ASGs!
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