In the last article, we discussed how we can create a simple tool that can alert us when the system is having a sudden increase in network traffic. In this article, we will see that if a system is getting abnormal network traffic, then how we can analyze the traffic...
Be it a Ping Flood, SYN Flood, or any other DoS attack, the first step towards detecting a DoS attack is to detect an anomaly in network traffic on the system. That is the first-ever sign that can indicate the system may be having a DoS attack. If you can monitor the...
Previously, we discussed what IP address spoofing is. In fact, in almost all cyber attacks, the attacker spoofs the source IP address so that it becomes very difficult to catch the attackers. But how do the attackers do that? How can they change the IP address of...
Cloud computing is one of the most emerging technologies. It can make our lives much easier. But, there are a number of security concerns about cloud computing. And if they are not taken care of properly, they can cause serious concerns. Let's discuss some of the most...
Previously, we discussed: What is a firewall and how does it work? What is an Intrusion Detection System (IDS), and how does it work? How to configure the iptables firewall on Linux? How to make iptables rules permanent across system reboots? We also discussed a few...
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