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user: krizhanovsky created: 2014-01-10 karma: 179 Hi, I'm Alexander, the CEO of Tempesta Technologies and the architect of Tempesta FW, a high performance open source Linux application delivery controller. submissions: 0 points | 0 comments Using ClickHouse for L7 DDoS and Bot Traffic Analytics with Tempesta FW 1 points | 1 comments 0 points | 0 comments Performance optimizations for storing web server access logs in ClickHouse 2 points | 1 comments 0 points | 0 comments Stealth BGP Hijacks with URPF Filtering [pdf] 4 points | 1 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments Show HN: An open source access logs analytics script to block bot attacks 37 points | 7 comments The new HTTP/2 vulnerability: 'Made You Reset' CVE-2025-8671 2 points | 0 comments Understanding and Improving Web Security Performance 1 points | 0 comments Building your own WordPress staging with Tempesta FW 2 points | 0 comments Full browser stack L7 DDoS against Russian resources 4 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments