adilTwo Network Interfaces on the Same Subnet: ARP Flux IssueIt might be necessary to utilize several network interfaces within a single subnet. Separating application traffic from replication traffic…4 min read·6 days ago----
adilHow to Rename enX0 to eth0 on Ubuntu/Debian?The interface name in the latest Ubuntu/Debian versions is determined by the hypervisor.1 min read·Apr 26, 2024----
adilHow to Mirror Traffic to Another Pod in Kubernetes?Mirroring network traffic in production has a lot of benefits, such as debugging, troubleshooting, testing, monitoring, etc.3 min read·Apr 13, 2024----
adilHow can an EC2 instance call itself via Internal NLB?Imagine that you have an application running on multiple EC2 instances.4 min read·Apr 7, 2024----
adilHow to fix conntrack: table full, dropping packets in Kubernetes?The Kubernetes network stack has many levels.5 min read·Mar 30, 2024----
adilHow to Develop a Firewall in C as a Linux Kernel Module?Part 1: Understanding Network Packets: IP Header, UDP Header Part 2: How To Use IPTables to Block a Specific DNS Request?1 min read·Mar 17, 2024----
adilUnderstanding SPF and CNAME Records for EmailsSending email from a subdomain can be difficult. This can be more difficult if there is a CNAME on the subdomain.4 min read·Mar 12, 2024----
adilHow to Write a Simple Linux Kernel Module?Kernel module development can be challenging. Let’s write our first simple Linux Kernel Module.3 min read·Mar 9, 2024----
adilUnderstanding Network Packets: IP Header, UDP HeaderPart 2: How To Use IPTables to Block a Specific DNS Request?4 min read·Mar 6, 2024----
adilHow To Use IPTables to Block a Specific DNS Request?Part 1: Understanding Network Packets: IP Header, UDP Header4 min read·Mar 5, 2024----