Enjoy this excerpt from the Network Security Operation and Troubleshooting text from IPexpert.
Local Privilege Authentication and Authorization
When you first begin your education about Cisco devices and how they operate, you quickly learn about the local database approach to authorization. Let us review the key points here.
There are four main methods for administrative access to the Cisco router or switch that you can control using all local techniques. These administrative access options are as follows:
- The console port (con 0)
- The virtual terminal lines or vty ports (vty 0 4)
- The auxiliary port (aux 0)
- HTTP (ip http server)
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