TCPdump Tutorial: Capture Only HTTP & DNS Traffic Using AND/OR Filters – Learn how to filter network traffic in Linux using tcpdump to capture only the HTTP (TCP port 80) and DNS (UDP port 53) packets. This tutorial shows step-by-step examples of tcpdump commands for network troubleshooting, packet capture, and packet analysis, making it perfect for beginners and intermediate users who want to understand AND/OR filtering in real-time packet capture. Master tcpdump filters for Linux, troubleshoot network traffic efficiently, and improve your cyber security monitoring skills.
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