LS
LiteSpeed articles
Drop-in Apache replacement with HTTP/3, QUIC, and the LSCache stack. Faster TTFB on the same hardware.
18 articlesLiteSpeed licensing & pricing →
Tutorials & how-tos
All tutorials & how-tos →8 min
LiteSpeed PHP on cPanel: detached mode, ProcessGroup, and restarts
Why php.ini changes don't apply on LiteSpeed until you restart lsphp, how detached and ProcessGroup modes work on cPanel, and which LSAPI settings to tune.
2026-09-28
7 min
Install LiteSpeed Web Server on Plesk (replace Apache)
Swap Apache for LiteSpeed Web Server on a Plesk box in about 30 minutes — run both side by side on a port offset first, then cut over standard traffic with one click.
2026-07-11
7 min
LiteSpeed anti-DDoS throttling setup on cPanel servers
Configure LiteSpeed's per-client throttling to absorb HTTP floods on cPanel — connection limits, request rates, banned periods, and the Cloudflare real-IP trap.
2026-06-12
8 min
LiteSpeed Web ADC: load balance a LiteSpeed fleet
Put a LiteSpeed Web ADC in front of two or more LSWS backends — install it, define a cluster, add nodes, terminate SSL, and size the worker-process license correctly.
2026-06-11
7 min
LiteSpeed ESI hole-punching for WooCommerce carts
Cache the full page for everyone while keeping the WooCommerce cart, "Hi, name" greeting, and nonce fields live — set up ESI blocks in LiteSpeed Cache the right way.
2026-06-01
11 min
Set up LSMCD as a WordPress object cache on cPanel
LSMCD is LiteSpeed's drop-in memcached and Redis replacement, tuned to feed LSCache ESI blocks and act as a WordPress object cache. Install, secure with SASL, and wire WP-LSCache to it on cPanel.
2026-05-22
8 min
Configure the LiteSpeed crawler to pre-warm LSCache
Pre-warm LSCache with the LSCWP crawler so the first visitor hits a cached page — covers the server-side allow flag, per-site sitemap config, LVE limits, and the four failures that quietly stop the crawler.
2026-05-20
9 min
Connect QUIC.cloud CDN to LSCache on a cPanel server
Wire QUIC.cloud's edge CDN into a cPanel server running LSCache — domain linking, CNAME setup, image optimization quotas, and verifying edge hits in under 20 minutes.
2026-05-17
8 min
Enable HTTP/3 and QUIC on LiteSpeed Enterprise for cPanel
Turn on HTTP/3 and QUIC for LiteSpeed Enterprise on a cPanel server — UDP 443, firewall rules, Cloudflare passthrough, and a 30-second check that it actually serves.
2026-05-16
6 min
Install LiteSpeed Web Server on a cPanel box (replace Apache)
Swap Apache for LiteSpeed Web Server on a running cPanel server in about 20 minutes — keep every .htaccess rule, every mod_security policy, and every PHP handler intact.
2026-05-15
7 min
Enable LSCache for WordPress on a cPanel server
Turn on LSCache for every WordPress account on a cPanel server in one WHM action, then verify cache hits and fix the three configurations that catch most operators out.
2026-05-15
Migration guides
All migration guides →Comparisons
All comparisons →Troubleshooting
All troubleshooting →4 min
Fix LiteSpeed license errors after migration or IP change
Resolve the common LiteSpeed licensing failures — signature mismatch after migration, IP-locked reseller keys, and expired-key downtime recovery.
2026-05-16
4 min
Fix LSCache showing disabled in LiteSpeed Cache for WordPress
Why LSCWP shows 'disabled' — advanced-cache.php conflicts, server-level LSCache off, OLS vs LSWS config — and the exact toggles that re-enable caching.
2026-05-16
Pricing & licensing
All pricing & licensing →News & changelogs
All news & changelogs →5 min
LiteSpeed Enterprise 6.3.7 build 2: update again for lscgid hardening
LiteSpeed has issued a second follow-up build for its critical privilege-escalation fix. Every LSWS Enterprise server below 6.3.7 build 2 needs another update.
2026-09-17
4 min
CVE-2026-84761: the LiteSpeed Cache for WordPress SSRF fix
An unauthenticated SSRF in LiteSpeed Cache for WordPress below v7.9.1 hits sites behind QUIC.cloud with client-IP restoration off. Patch and exposure check.
2026-09-11