EDITOR NOTES
The 'Download Now' link yields the Intel 'Enterprise' version, see 'Related Links' below on this page for the PPC 'Enterprise' version. Free standard versions also available.
DESCRIPTION
LiteSpeed 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/Roby 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 4.0.11:
- A Bug fixed in php-build script in the admin console, which failed to parse config options in certain cases.
- Fixed a bug which causes random 500 error when running some CGI scripts.
- Adding lsadm to the group that the web server running as. This gives the admin console access to most directories served by the web server.
- Encrypt username/password for the admin console login, so there is no clear text transferred, sniffer proof.
- Some Changes for version management in the admin console: only notify when there is new release available, do not automatically download the binary.
- Some validation and security enhancements implemented.
REQUIREMENTS
Mac OS X 10.4 or later.
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