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LiteSpeed Web Server


LiteSpeed Web Server (LSWS) is a high performance, secure, easy-to-use web server, and can be used as a drop-in replacement for an Apache web server. It can handle thousands of concurrent connections with a small memory footprint, and can thwart incoming attacks with ease.

Minimum system requirements

Operating System

  • Linux: kernel 3.0+
  • CentOS: 7+
  • Ubuntu: 14.04+
  • Debian: 8+
  • FreeBSD: 9+


  • Intel: x86-64


  • 512MB and up


  • Installation: 200MB
  • Runtime: 300MB and up, swapping space depends on usage.

WebAdmin Console

LiteSpeed Web Server ships with WebAdmin Console, a centralized control panel that allows you to manage and configure all web server settings. To learn more, please see our WebAdmin documentation


See the Best Practices for Securing WebAdmin Console video here.

Additional Support

If you've read the documentation and still have questions, more help is available here:


Do you have some thoughts about this documentation site? Join our GoLiteSpeed Slack, drop by the #documentation channel, and let us know what you think!

Last update: December 2, 2022