Could I think that 4.1.8 supported the active FTP ?
If I use the 5.0.3. i have to rewrite too many source code.
Because i develop some industrial control protocol parsers in 4.1.2. 
Could I think that 4.1.8 supported the active FTP ?
If I use the 5.0.3. i have to rewrite too many source code.
Because i develop some industrial control protocol parsers in 4.1.2.