This patch corrects the following: - A potential security vulnerability has been discovered, where under certain circumstances, system integrity may be compromised. This may be in the form of improper file or privilege management. Digital has corrected this potential vulnerability. - This patch fixes a problem with the ftp command. If you ftp to an IBM MVS system using the IP address, the IBM system will refuse the connection. This problem can be encountered on any system that validates TOS (Type Of Service) requests if the file /etc/iptos is not used on the client. It is recommended that this patch be installed on all OSF systems.