This post is about Cisco Firewalls. It aggregates available information from datasheets published by Cisco. The ASA in Cisco ASA stands for Adaptive Security Appliance. We suggest that you read the following two posts before continuing to read this post: All Things about Firewall Hardware Firewalls In fact, Cisco ASA is a security device that combines [...]
A virtual private network (VPN) extends a private network across a public network and enables users to send and receive data across shared or public networks as if their computing devices were directly connected to the private network. In other words, A Virtual Private Network is a connection method used to add security and privacy [...]
In this post, we'll take a look at SSL protocol and TLS protocol to help you understand the different aspects of these protocols. One of the most important topics in Cyber-security course is web secure. What’s SSL? SSL (Secure Sockets Layer) is a protocol for establishing authenticated and encrypted links between networked computers. [...]
Pharming is a type of cyber crime. It is very similar to phishing attacks. The Pharming attacks to name resolution process. However, There is a DNS server in each network. In fact, each computer has its local DNS service. A pharming attack uses two way for attack to this process: First Way More about hosts [...]