https://sudonull.com/clickhouse-configuration-production-setup-of-config-xml-and-users-xml
ClickHouse production setup: log rotation, merge_tree parameters, user profiles, quotas, TLS/SSL, config.d overrides. Security checklist.
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https://sudonull.com/unknown-error-in-apple-developer-regional-block
Analysis of Unknown Error during enrollment in Apple Developer Program. JSON response 40399, SSL pinning, bypass with Frida. Instructions for middle/senior iOS developers. Diagnose and solve the problem.
https://sudonull.com/argus-toolkit-for-network-reconnaissance
Study Argus: Python tool for DNS, SSL, web scanning and security checks. Installation, modules, examples for pentest. Automate recon — read the guide.
https://sudonull.com/mtproto-on-port-443-with-nginx-sni-routing
Setting up MTProto Telegram proxy on one 443 port. Nginx stream with ssl_preread and routing by SNI. Scalable scheme against blocks. DevOps instructions.
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