Posts tagged with "firewall"
Troubleshooting Firewall Issues Using Wireshark
In a previous post, the basics of Wireshark were covered, which focused on how to analyze network traffic. Another use case of Wireshark that I have found useful is to troubleshoot firewall issues affecting a client and server in a local or remote environment. For example, when attempting to access...
An Introduction to Firewalls and Their Use in Cyber Defence
A firewall is a security control that uses rules to control inbound and outbound network traffic. A firewall can either be host-based or network-based. A host-based firewall is available as software on a system such as Windows Firewall and iptables on Linux. On the other hand, a network firewall is...