Posts from ‘Network Security’
It was a dark, cold night in late December, and Bob, (the optimistic firewall technician), had a single ASA to deploy before going home for the holidays. The requirements for the firewall were simple. Bob read them slowly as follows:
- R1 should be able to ping the server “Radio.INE.com” by name.
- PC should be able to ping the server “Radio.INE.com” by name.
Bob also read the background information to see if this was something he could finish before leaving the office. Bob read the following:
One of the many skills that you must demonstrate as a CCENT candidate is your ability to configure basic password security on a Cisco router or switch. This blog post walks you through the configurations you must have mastered in order to succeed in this area of the exam.
Tags: cisco, exam, password, router, Security, switch, written
There are some fundamental processes in network security that you should be aware of as you begin your journey to a Cisco Certified Technician. Some of these processes are obvious, while others are not so obvious. This blog post intends to make each one very simple to understand.
I. Security Fundamentals
a. Why Needed?
i. A closed network allows no connection to a public network; although security is still an issue due to a majority of attacks coming from inside networks today
Tags: access-list, cisco, firewall, ipsec, Security, written
Here is a portion of some notes that I came across for IPS – instead of wasting away on my hard drive, I figured I would post in case some of you might enjoy. I will post more sections if I receive no hate mail 
I. IPS Overview
a. Detection versus Protection
i. Detect can do just that – detect
ii. Prevention systems can detect and prevent – risks include latency, false positives, and the risk of the device being overrun
One of the things you have to really watch out for in life (and the CCENT exam) is ensuring that you are not sending CDP information to devices that you do not trust. The last thing you want to do is advertise to potential hackers of your network exactly what Cisco devices you are running and what Layer 3 addressing they possess.
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