port 443
Best of 2025: NOT-So-Great Firewall: China Blocks the Web for 74 Min.
Richi Jennings | | censorship, china, Denial of Service, Denial of Service (DoS) attacks, denial of service attacks, denial of service vulnerability, Denial-of-Service (DoS), Government Censorship, Great Firewall of China, HTTPS, HTTPS connection, internet censorship, online censorship, Pakistan, Peoples Republic of China, port 443, SB Blogwatch, State Censorship, TCP, TCP/IP, The Great Firewall, Transmission Control Protocol (TCP) vulnerabilities
HTTPS connections on port 443 received forged  replies. Chinese web users couldn’t access websites outside the People’s Republic yesterday. The outage lasted an hour and a quarter—with no explanation. Nobody’s sure whether it ...
Security Boulevard
NOT-So-Great Firewall: China Blocks the Web for 74 Min.
Richi Jennings | | censorship, china, Denial of Service, Denial of Service (DoS) attacks, denial of service attacks, denial of service vulnerability, Denial-of-Service (DoS), Government Censorship, Great Firewall of China, HTTPS, HTTPS connection, internet censorship, online censorship, Pakistan, Peoples Republic of China, port 443, SB Blogwatch, State Censorship, TCP, TCP/IP, The Great Firewall, Transmission Control Protocol (TCP) vulnerabilities
Xi Whiz: HTTPS connections on port 443 received forged replies ...
Security Boulevard
Mixed VLAN tags and BPF syntax
Richard Bejtlich | | Berkeley Packet Filter, BPF syntax, dns, Linux, Network Security, network security monitoring, network visibility, port 443, Raspberry Pi, SPAN port, TCP, tcpdump, Ubiquiti, VLAN, Wireshark, Zeek
By Richard Bejtlich, Principal Security Strategist, Corelight This post contains a warning and a solution for anyone using BPF syntax when filtering traffic for network security monitoring. Introduction I have been writing ...

