Banners
Cisco routers have two different types of banners: login and EXEC. Both of these banners should be enabled with a stern warning that all access attempts are logged, and unauthorized attempts to penetrate the system will be prosecuted to the fullest extent of the law. Placing a warning about logging all attempts at access is the equivalent of placing a home security system placard on your front lawn. Even if you do not log access, it might discourage some attempts. The name of the company, the IP address, or any other information that unnecessarily reveals information about your system should not be included on the banner. A sample banner is as follows:
This equipment is privately owned. All access to this equipment is logged. Disconnect ...
Get Cisco® Secure Internet Security Solutions now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
