Field notes for packet debugging on macOS, with product updates, capture workflows, filter techniques, and practical network analysis guides from the Proxyman Team.
Featured postCompare TCP Viewer and Wireshark, and see when TCP Viewer is a simpler Wireshark alternative for macOS packet capture and inspection.
May 18, 2026 · 5 min read · Proxyman Team
Learn how to analyze a PCAP or PCAPNG file with TCP Viewer and quickly find failed, slow, or unexpected network traffic.
July 21, 2026 · 5 min read
Learn how to capture a DNS lookup to 8.8.8.8 with TCP Viewer, save it as a PCAP file, and read the DNS question and answer in simple steps.
July 21, 2026 · 9 min read
Learn what pcap and pcapng files are, how to capture them from the macOS command line, and how to open them with TCP Viewer.
June 10, 2026 · 3 min read
