Hardening Guidelines

This appendix contains the following section:

Hardening Guidelines

If you consider hardening the system, you should consider the following hardening guidelines:

  • Refer to the host platform's hardening guides:

–blank.gif RHEL/CentOS 7.x:

https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/pdf/Security_Guide/Red_Hat_Enterprise_Linux-7-Security_Guide-en-US.pdf

–blank.gif RHEL 8.x:

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/pdf/security_hardening/Red_Hat_Enterprise_Linux-8-Security_hardening-en-US.pdf

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Noteblank.gif The above links reference external websites and Cisco is not responsible for keeping them up-to-date. They are provided for reference only. If you find that the content is outdated or if you cannot access the links, please contact the website owner for updated information.

  • Disable or block the ports that are not used by Cisco Prime Access Registrar. The Prime Access Registrar documentation outlines the default port usage.

For a list of ports used by Prime Access Registrar, see the "Ports" section in the “Overview” Chapter of the Cisco Prime Access Registrar 9.3 Reference Guide. Note that some are defaults and may have been changed during install or configuration.