Highly scalable web delivery platform. FreeLiteSpeed Web Server is a high-performance, secure and easy-to-use web server, which can handle thousands of concurrent connections with a small memory footprint. It is less vulnerable when facing various attacks.
Some Features of LiteSpeed Web Server:HTTP/1.1
Backward compatible with HTTP/1.0
Chunked Transfer Encoding
Basic Authentication (htpasswd and LDAP backend)
Entity Tag
Range/Multi-range Request
Static and dynamic content compression(gzip)
IPv6 support
API Connectivity
CGI/1.1
FastCGI
LSAPI (LiteSpeed SAPI)
AJP 1.3
Transparent Reverse Proxy (interface to back-end web server, application server)
Dynamic Language Support
PHP (CGI,FastCGI,LSAPI), compatible with 3rd party PHP Accelerators.
JSP/Servlet (AJP)
Perl (CGI, FastCGI)
Ruby/Ruby on Rails (CGI, FastCGI, LSAPI)
Python (CGI, FastCGI)
C/C++ (CGI, FastCGI, LSAPI)
URL Rewriting
URL Rewriting is fully compatible with Apache's rewrite configuration
Htaccess Support
Apache compatible distributed per-directory Access Control and Authentication configuration.
Request filtering
Perform deep inspection of request header and body, using Apache mod_security compatible configuration directives.
MS Frontpage server extension 2002
Supports content publishing with MS Frontpage client.
Virtual Hosting
Supports IP based and name based virtual hosting
Security
LiteSpeed web server is desgined to be a secure web server. With chroot jail, IP level bandwidth throttling, connection accounting, strict HTTP request checking, and URL context filtering, DoS effects are minimized and the application backend is properly fenced away from the HTTP request layer reducing vulnerability.
High performance Secure HTTP (HTTPS): supports SSLv2, SSLv3 and TLSv1
Access Control at server, virtual host and directory (context) level
File system protection
HTTP Authentication
IP level throttling (Bandwidth and Request Rate)
Comprehensive IP level connection accounting
Hotlink protection
Strict HTTP request checking
Comprehensive protection for static files
External application firewall for dynamic content
CGI resources consumption limit
CGI suEXEC excution and chroot
Chroot whole server process[Enterprise Edition only]
Reliability
Zero downtime maintanance (include reconfiguration, software upgrade)
Watch dog and Instant recovery maximizes up-time
Graceful shutdown, all requests in process will be completed.
Runs completely in the user space, OS reliability is not affected
CGI, Fast CGI and servlet engine run in standalone processes,the reliability of the web server is not affected by third party software.
WHAT'S NEW
Version 4.1.8:
Fixed a bug that causes 100% CPU utilization once connection limit has been reached.
Added command line upgrade script admin/misc/lsup.sh .
Added license status information in version managment page of web console
REQUIREMENTS
Intel, Mac OS X 10.4 or later
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