|LiteSpeed Load Balancer|
LiteSpeed Load Balancer (LSLB) is a high-performance, content-aware, session-aware HTTP application load balancer. It can forward requests based on request content as well as session stickiness preference. LiteSpeed Load Balancer can help scale your application beyond one server deployment, as well as improve the reliability of your service in case of hardware failures.
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LiteSpeed load balancer is designed to be a secure load balancer. With chroot jail, IP level bandwidth throttling, connection accounting, strict HTTP request checking, and URL context filtering, DoS effects are minimized and backend cluster is properly fenced away from the HTTP request layer reducing vulnerability.
The following section provides a brief overview of the above security features. Access Control: Server, virtual host and directory (context) level access control which can allow or block traffic from specific IP/sub-networks. IP Level Throttling Limits network bandwidth to and from a single IP address regardless of the number of connections. IP Level Connection Accounting Limits the number of concurrent connections from a single IP address. It is controlled by the Connection Soft Limit, Connection Hard Limit, Grace Period, and Banned Period values. Strict Request Checking Every HTTP request is strictly checked by LiteSpeed load balancer:
Request size is limited by the Max Request URL Length, Max Request Header Length, and Max Request Body Length values. Strict Static File Checking LiteSpeed web server will serve a static file only if the following conditions are satisfied:
LiteSpeed load balancer can pipeline requests and control the concurrency level of external applications to prevent over consumption of system resources. It only forwards completed requests to external applications and caches the response. Thus external applications will be immediately available to process the next request without waiting for the response to be completely received by the client. In this way, the server can utilize fewer instances of external applications to serve more concurrent requests and will achieve higher performance and scalability. LiteSpeed load balancer uses its own virtual memory to cache the request and response body to minimize the usage of system memory without sacrificing performance.
LiteSpeed load balancer can run in a chroot environment also known as a chroot jail with an automatic initial chroot environment setup. In a chrooted environment, the load balancer and its children processes cannot access the file system outside of the chroot jail. This protects the system from attacks caused by malicious code.We offer 15-Day Risk Free Trials.