8 steps to protect your Cisco router

Contributed by Daniel B. Cid and restored from the old Infosecwriters archive.

Network security is a completely changing area; new devices like IDS (Intrusion Detection systems), IPS (Intrusion Prevention systems), and Honeypots are modifying the way people think about security. Companies are spending thousand of dollars on new security devices, but forgetting the basic, the first line of defense: the border router.

Although a lot of people may think that routers don’t need to be protect, they are completely wrong. A lot of secure problems appear all time against this kind of device and most of them are vulnerable. Some information about some common security problems found on Cisco Routers, can be read on the text “Exploiting Cisco Routers”, available at:


Defense Against the DoS/DDoS Attacks on Cisco Routers

Contributed by Hang Chau and restored from the old Infosecwriters archives.

DoS/DDoS attacks are a virulent, relatively new type of Internet attacks, they have caused some biggest web sites on the world -- owned by the most famous E-Commerce companies such as Yahoo, eBay, Amazon -- became inaccessible to customers, partners, and users, the financial losses are very huge. On the other hand, if the international terrorist organizations use the DoS/DDoS to attack successfully the web sites or Internet systems of U.S. government and military, the results and losses will be disastrous and unimaginable.


Allowing Linux to Authenticate to a Windows 2003 AD Domain

Contributed by Thomas J. Munn, and restored from the archives.


Zfone: A New Approach for Securing VoIP Communication

Contributed by Samuel Sotillo and restored from the Infosecwriters archive.


Demystifying - IPSec VPN’s

Contributed by Abhishek Singh from the old Infosecwriters archive.

In this article I will cover the basics of IPSec and will try to provide a window into the mystical world of the IPSec VPNs. The intended audience is anyone who wants to have a quick go through of the IPSec VPNs. This article will suite to readers of range Beginners to Intermediate.

This document is in PDF format. To view it click here.


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