On October 2nd, the Google security blog announced several vulnerabilities in a piece of software called DNSMasq, which offers DNS forwarding and DHCP services for small computer networks. Days before, IT Briefcase published an article I wrote about indicators of compromise in DNS logs. The article explains that an exploited DNS server may offer the […]

Read More – DNSMasq Vulnerabilities Affect Network Devices, Microservices, and More

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Network Traffic Geolocation

In a past article, I explained how to auto-block hosts with a WatchGuard Firebox. Yesterday alone my logs showed over 100 IP addresses auto-blocked in one day on a Firebox used for testing purposes. The list included over 1000 blocked IP addresses. I also noticed the Firebox shows a limited number of blocked hosts so […]

Read More – Where in The World Is That Network Traffic Coming From?

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