SFTP Comparison - Openssh versus Serv-U SFTP

	Openssh or Openssh /w cygwin	Serv-U
Licensing	Opensource Freeware	Commercial    Chargeable if we need to buy additional license for the new server
Private Key Option	Easy	Difficult http://www.enterprisedt.com/forums/viewtopic.php?t=2886&sid=7092bcc538761a38746fcfa468eb66da
Platform	Linux, Windows	Windows
NTFS integration	Yes	No
Management	Linux Cmds – easy if you know linux. The cmds is easily searchable in the internet	Gui – easy but need to get familiar with the interfaces
Features and functionalities	SFTP and SSH - Could lock it up to SFTP only	FTP, FTPS, SFTP
User Management	Integrated with Windows	Isolated User Management
Security	Shell Level Security	Password Stored in ini file http://seclists.org/pen-test/2004/Sep/81
Recommend	Openssh for it is a open standard, free to use, free to upgrade, easy to manage as the command and setting is the same for both Linux and Windows. With Cygwin, it could integrate with Windows user management and ntfs security.