PCAP Parser — Blog https://www.pcapparser.com/en/blog Latest from Blog en Sun, 27 Sep 2026 20:44:25 GMT DNS Analysis in a PCAP: A Defender's Guide https://www.pcapparser.com/en/blog/dns-analysis-in-pcap https://www.pcapparser.com/en/blog/dns-analysis-in-pcap How to read DNS in a packet capture: queries and responses, result codes, rare and random-looking domains, and high-level signs of DNS tunnelling, with limits. Florian Amette Sun, 27 Sep 2026 00:00:00 GMT JA3 Fingerprint vs JA4: TLS Client Fingerprinting Guide https://www.pcapparser.com/en/blog/ja3-ja4-tls-fingerprinting https://www.pcapparser.com/en/blog/ja3-ja4-tls-fingerprinting What a JA3 fingerprint is, how JA4 differs, why Chrome's extension-order randomization broke JA3 stability, and how defenders use TLS fingerprints in triage. Florian Amette Tue, 22 Sep 2026 00:00:00 GMT Wireshark Alternatives for PCAP Analysis, Compared https://www.pcapparser.com/en/blog/pcap-analysis-tools-compared https://www.pcapparser.com/en/blog/pcap-analysis-tools-compared A fair comparison of Wireshark, tshark, NetworkMiner, Zeek, Zui and PCAP Parser for pcap analysis: strengths, limits, and which tool fits which job. Florian Amette Thu, 17 Sep 2026 00:00:00 GMT Is It Safe to Upload a PCAP Online? Analyze It Locally https://www.pcapparser.com/en/blog/privacy-in-browser-pcap-analysis https://www.pcapparser.com/en/blog/privacy-in-browser-pcap-analysis Why packet captures are sensitive under GDPR and client contracts, how in-browser WebAssembly analysis avoids uploads, and how to verify nothing leaves. Florian Amette Sun, 13 Sep 2026 00:00:00 GMT How to Use PCAP Parser: A Tour of Every View https://www.pcapparser.com/en/blog/how-to-use-pcap-parser https://www.pcapparser.com/en/blog/how-to-use-pcap-parser Step-by-step guide to PCAP Parser: load a capture, then read conversations, protocol hierarchy, DNS, HTTP, TLS, extracted files and IOCs, and export results. Florian Amette Wed, 09 Sep 2026 00:00:00 GMT Open a PCAP File Online Without Installing Wireshark https://www.pcapparser.com/en/blog/open-pcap-file-online https://www.pcapparser.com/en/blog/open-pcap-file-online How to open a pcap or pcapng file online without installing anything: upload vs in-browser viewers, formats that fail, and what a browser tool can't do. Florian Amette Sat, 05 Sep 2026 00:00:00 GMT PCAP vs PCAPNG: File Format Differences Explained https://www.pcapparser.com/en/blog/pcap-vs-pcapng https://www.pcapparser.com/en/blog/pcap-vs-pcapng PCAP vs PCAPNG compared block by block: headers, interfaces, timestamp resolution, metadata, which tools write which format and how to convert safely. Florian Amette Tue, 01 Sep 2026 00:00:00 GMT