Infoperformance
Keepalive Timeout Too Low
Impact of very low keepalive_timeout settings on Nginx connection performance.
What This Rule Checks
This rule triggers when `keepalive_timeout` is set below 10 seconds.
Why It Matters
A very low keepalive timeout forces clients to establish new TCP connections frequently. Each new connection requires a TCP handshake (and TLS handshake for HTTPS), adding latency to every request.
✗ Bad — Triggers this rule
keepalive_timeout 2;✓ Good — Passes this rule
keepalive_timeout 65;How to Fix
Set `keepalive_timeout` to 60-75 seconds for most applications. Adjust in Configen's Performance section.