FTP Server now supports configurable IP address to use in PASV responses

(for broken firewall/NAT devices) and PASV port ranges (default is 1024-65535).

ctrl/sbbs.ini

@@ -147,9 +147,18 @@ Options=ALLOW_POP3
 	MaxInactivity=300
 	QwkTimeout=600
 	Interface=
+
+    ; Passive transfer settings to work-around broken/stupid firewall/NAT devices
+	PasvIpAddress=0.0.0.0
+	PasvPortLow=1024
+	PasvPortHigh=65535
+
+    ; Sound/wave files to play on specific events
 	AnswerSound=
 	HangupSound=
 	HackAttemptSound=
+
+    ; Dynamically generated index files
 	IndexFileName=00index
 	HtmlIndexFile=00index.html
 	HtmlIndexScript=ftp-html.js