Views: 2,830All router administrators need to take whatever security precautions they can to prevent attacks to their systems and networks. While these attacks are a continually moving target, a common attack to IP networks is called IP Spoofing. This is accomplished by sending IP packets into the network with source addresses that appear to be
IP Spoofing Security Tip in Cisco IOS Read More »
Views: 2,019To save you time searching through thousands of documents and sometimes disjointed practices, here are some of our recommendations for securing Cisco routers. These practices can also be applied to other routers in general, though we provide no specifics for others. Security is always a concern to those who manage and configure routers. Every
Security Setting Recommendations for Cisco IOS Routers Read More »
Views: 2,685What happens if there is a system or user on a VLAN that is infected by malware or is deliberately running a scanning program? This can cause a massive amount of entries in the CAM Table of the switch. Think of the CAM table as the MAC address table. There is a certain limit
CAM Table Overflow Attack Mitigation on Cisco Switches Read More »
Views: 1,819This procedure has moved from our Online School and is now described in an article at this site. We actually have several articles! Here is the original article: click here. Here is an article on securing Wi-Fi in your home or small business: Click here to browse the article! I hope you find this
Where can I find the information on securing a home network? Read More »
Views: 2,696Great question received just before the holidays. The security of software is paramount, especially in any communications systems (routers, switches, servers). We are all fimiliar with “patch Tuesdays” as efforts to thwart security holes in software are a constant. Surprisingly, few Computer Science majors include skills on secure coding. Furthermore, policies and procedures to
Where can I find information on writing secure code? Read More »
Views: 2,432Aside from the challenges of blocking offensive content (see the separate article on that subject), you may desire to simply block access to certain sites. A common question I am asked is how can I block my kids from using Facebook and other similar social networking sites when they are supposed to be doing
Blocking Certain Sites Using Your Home Router Read More »
Views: 1,977In this article we will show you how to secure your home network in a great way using IP Addressing. By making some simple changes to the way you address the home or small business network, you can easily provide visitors with Internet access, without exposing your own computers, appliances and servers to them.
Securing a Home or Small Business Network Read More »
Views: 1,628 Check out these additional IPv6 Resources: Our IPv6 overview course at Udemy Our IPv6 Custom Profiles for Wireshark Our IPv6 classes at the Online School It should be no surprise to anyone reading this article that the next generation IPv6 protocol is being exploited by hackers and attackers just like its predecessor IPv4.
The Security Weaknesses of IPv6 Read More »
Views: 1,818The article below was originally written and published September 1st, 1998! Late one recent night, I’m busy working on some presentation slides. A client wants to prepare their network for the video-to-the-desktop revolution. The solution is complex with many nuances and facets racing around in circles in my mind. I’m staring, with my focus going
Your Privacy at Risk Read More »
Views: 1,565CellStream, Inc. Corporate Security Statement and Policy Purpose CellStream, Inc. is committed to protecting the security and confidentiality of information entrusted to us by our customers, students, employees, business partners, and service providers. As a telecommunications consulting and training organization, we recognize that our work may provide us with access to customer information, network
Do you have a Corporate Security Policy? Read More »
