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CHAPTER
11-1
User Guide for Device Fault Manager
OL-11390-01
11
Administering DFM (Advanced)
These topics are intended for system administrators who will perform Device Fault Manager (DFM)
administrative functions. The topics include:
• Security Considerations, page 11-1
• Device Support, page 11-3
• System Administration, page 11-3
Security Considerations
These topics address some important DFM security issues:
• File Ownership and Protection, page 11-1
• Secure Socket Layer (SSL), page 11-2
• SNMPv3, page 11-2
• Working with Firewalls, page 11-2
File Ownership and Protection
Security for DFM files is based on the same standards used for CiscoWorks.
Caution Do not change the protection of any file or directory to be less restrictive. You may, if you wish, make
the protections more restrictive.
All DFM files are installed with owner CASUSER. Only CASUSER can create, delete, or modify the
files installed in NMSROOT. NMSROOT is the directory where CiscoWorks is installed on your system.
If you selected the default directory during installation, on Windows it is C:\Program Files\CSCOpx. On
Solaris, it is /opt/CSCOpx.
When typing the Windows default installation directory, enter C:\Progra~1\CSCOpx.
Note File protections are not enforced on FAT partitions.