both guys(Jeroen Wenting,Jeffrey Spaulding) thanks for reply.... But my question is not like ur thought. I will give valid hostname(ipaddress,Username,password) i will get that ipaddress,username,password what r the files are aviable. First files is connect the system using FTP(FTP login) Second url is display the files and directoried(avilable ownership rights permission files and directories) etc it is not meaning of hacking,if ...