by valino | Jan 11, 2024 | Network
Introduction to the OSI Model Understanding the OSI Model Concept The OSI (Open Systems Interconnection) Model is a conceptual framework used to understand network architecture and the various processes involved in the transfer of data. Developed by the International...
by valino | Jan 9, 2024 | Network
Network Address Translation (NAT) is a crucial component in enhancing the security and efficiency of network communication, especially for devices connected to the internet through a firewall. In this article, we explore why applying NAT to an internet-facing firewall...
by valino | Jan 9, 2024 | Network
To prevent broadcast storms, which can severely disrupt network performance, a combination of network design strategies, hardware configurations, and proactive monitoring practices should be employed. Here’s a detailed approach: Understanding Broadcast Storms A...
by valino | Jan 5, 2024 | Network
The Domain Name System (DNS) is often likened to the phonebook of the internet, translating human-friendly domain names into IP addresses that computers use. However, the traditional DNS has vulnerabilities that can be exploited to redirect users to malicious sites....
by valino | Dec 16, 2023 | Hacking
Multiple security vulnerabilities have been discovered in the open-source Netgate pfSense firewall solution called pfSense that could be chained by an attacker to execute arbitrary commands on susceptible appliances. The issues relate to two reflected cross-site...
