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krizhanovsky

179 karma · joined January 10, 2014

Hi, I'm Alexander, the CEO of Tempesta Technologies and the architect of Tempesta FW, a high performance open source Linux application delivery controller.
submissionscomments

Open-source XDP/TC DDoS filtering for 100G+ Linux networks

github.com·3 pts·krizhanovsky·
1

Show HN: Open-Source eBPF Volumetric DDoS Protection

github.com·3 pts·krizhanovsky·
3

Using ClickHouse for L7 DDoS and Bot Traffic Analytics with Tempesta FW

tempesta-tech.com·1 pts·krizhanovsky·
1

Performance optimizations for storing web server access logs in ClickHouse

clickhouse.com·2 pts·krizhanovsky·
1

Stealth BGP Hijacks with URPF Filtering [pdf]

usenix.org·4 pts·krizhanovsky·
1

Show HN: An open source access logs analytics script to block bot attacks

github.com·37 pts·krizhanovsky·
7

The new HTTP/2 vulnerability: 'Made You Reset' CVE-2025-8671

tempesta-tech.com·2 pts·krizhanovsky·
0

Understanding and Improving Web Security Performance

forbes.com·1 pts·krizhanovsky·
0

Building your own WordPress staging with Tempesta FW

tempesta-tech.com·2 pts·krizhanovsky·
0

Full browser stack L7 DDoS against Russian resources

4 pts·krizhanovsky·
0

C/C++ vs. Rust Performance

tempesta-tech.com·102 pts·krizhanovsky·
150

Fast programming languages: C, C++, Rust, and Assembly

tempesta-tech.com·3 pts·krizhanovsky·
0

Tempesta TLS: up to 40-80% faster than Nginx/OpneSSL and up to x4 lower latency [pdf]

netdevconf.info·2 pts·krizhanovsky·
0

User-space vs. Linux kernel TCP for HTTPS proxying

tempesta-tech.com·3 pts·krizhanovsky·
0

Quickly the Linux TCP/IP stack can process short-living TCP connections

github.com·5 pts·krizhanovsky·
0

Gotchas in high performance networking with KVM

github.com·1 pts·krizhanovsky·
0

Web application firewall (WAF) acceleration

tempesta-tech.com·3 pts·krizhanovsky·
0

CPDoS: Cache Poisoned Denial of Service

tempesta-tech.com·1 pts·krizhanovsky·
0

A Review of the recent Google paper about a user-space networking project Snap

tempesta-tech.com·6 pts·krizhanovsky·
0

Intelpocalypse: Goodbye Fast System Calls

natsys-lab.blogspot.com·4 pts·krizhanovsky·
0

IPI: modern hardware virtualization isn't so fast actually

github.com·3 pts·krizhanovsky·
0

Linux Kernel HTTP/TCP/IP Stack for HTTP DDoS Mitigation

netdevconf.org·3 pts·krizhanovsky·
0

HTTP Requests Proxying in Tempesta FW, Nginx, HAProxy: Performance and Internals

natsys-lab.blogspot.com·1 pts·krizhanovsky·
0

Tempesta FW: WAF (Web Application Firewall) Acceleration

github.com·1 pts·krizhanovsky·
0

Tempesta FW reaches 1.8M HTTP RPS on 4 cores CPU

github.com·1 pts·krizhanovsky·
0

HTTP Strings Processing Using C, SSE4.2 and AVX2

natsys-lab.blogspot.com·4 pts·krizhanovsky·
0

How to Analyze the Performance of Your Program

natsys-lab.blogspot.com·27 pts·krizhanovsky·
0

Wasting of TLB entries and redundant page table walks on x86-64

natsys-lab.blogspot.com·3 pts·krizhanovsky·
0

Fast Memory Pool Allocators: Boost, Nginx and Tempesta FW

natsys-lab.blogspot.com·37 pts·krizhanovsky·
3

Fast Memory Pool Allocators: Boost, Nginx and Tempesta FW

natsys-lab.blogspot.com·3 pts·krizhanovsky·
0
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