Introduction

LiteSpeed Web ADC (LSLB) is an affordable, high-performance layer 7 HTTP smart load-balancer application. LiteSpeed Web ADC is feature-rich, secure, and efficient, offering more flexibility than similarly-priced load balancing software. This makes it an excellent choice for small enterprises looking to scale their applications beyond one server — both to improve service speed as well as reliability in case of hardware failure.

• Supports QUIC, HTTP/2, TLSv1.3, and TCP_FASTOPEN
• HTTP/1.1, HTTP/1.0 backward compatible
• Supports HTTP, LiteSpeed SAPI, FastCGI and AJPv13 back ends
• Load balance algorithms: round-robin, least load, least session
• High Availability IP failover
• Cross-data-center replication
• Directing request based on domain names, request URL, Cookie, SSL Session, etc.
• Content aware: route request based on request content
• Dynamic response compression/decompression (gzip)
• Gzip compression with backend HTTP Server
• Automatic HTTP protocol upgrade/downgrade to maintain persistent connection with backend servers
• Massive shared hosting: load balance to millions of websites
• Web app acceleration via LSCache with ESI
• URL rewrite
• SSL acceleration
• Geotargeting support
• IPv6 support
• Layer 7 anti-DDoS filtering
• Web Application Firewall (HTTP firewall), filter attacking requests based on request content
• Chroot for enhanced security
• Backend server health monitoring
• Web administration console
• Online upgrade to keep your server up-to-date
• Simplified deployment via ZeroConf