Security Management Guide (G06.24+, H06.03+)

Contents
Security Management Guide522283-008
iv
4. OSS System Security (continued)
4. OSS System Security (continued)
Process Security Attributes 4-7
Adopting the Owner ID of a Program File 4-9
5. Concerns for the User
Concerns for All Users 5-1
Protecting Your Password 5-1
Logging On 5-1
Changing Your Password 5-2
Choosing a Good Password 5-2
Protecting Your Terminal 5-3
Discovering When Others Use Your Terminal 5-3
Protecting Printouts 5-3
Logging Off 5-3
Concerns for the TACL User 5-4
TACL Features 5-4
How the System Identifies Users 5-4
Privileged User Classes 5-5
Group Membership 5-7
Privileges of Group Members 5-9
Guardian Security 5-9
Erasing Purged Files With CLEARONPURGE 5-13
TACL Process Security 5-14
Safeguard Access Control Lists (ACLs) 5-14
Encryption 5-16
Electronic Mail 5-16
Trojan Horses 5-17
Securing Your TACLCSTM and TACL Macro Files 5-18
Search List Hazards 5-19
Suggestions for Dial-Up Users 5-20
Concerns for the OSS Environment 5-20
File Security 5-20
Altering File and Directory Permissions 5-21
Group Permissions 5-21
Default File Security 5-22
.profile File Security 5-22
6. Concerns for the Application Programmer
Authentication 6-1