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LiteSpeed Web ADC Load Balancer http://www.dgdg24.com/images/logos/litespeed/litespeed-logo.png 2022-05-20 20:22:13 Cutting-edge technologies and advanced security come together in a best-of-breed solution, designed to work within your existing infrastructure. A 100% software solution, offering better performance at a significantly lower cost and runs anywhere - private dedicated hardware, hosted environments, clouds, etc.

LiteSpeed Web ADC

100% software solution fits easily into your existing infrastructure. Better performance, lower cost.

Flexible subscription model allows on-demand scaling. Handle everyday traffic and seasonal spikes, alike!

Main Features

Cutting-edge technologies and advanced security come together in a best-of-breed solution.

  • New Technologies HTTP/2, QUIC, HTTP/3

    HTTP/2, QUIC, HTTP/3

    Reliable support for new technologies before anyone else
  • SSL Handshake and Offloading

    SSL Handshake Offloading

    Offloading to avoid clogging server main event loop
  • Easy Cluster management

    ZeroConf Cluster

    ZeroConfig API and cPanel integration reduces complexity
  • LiteSpeed Kubernetes Controller

    Ingress Controller Support

    Complete Ingress solution with
    Web ADC and Kubernetes
  • Scalability For High Traffic

    Scalability for High Traffic

    SO_REUSEPORT support improves multi-worker scalability
  • HTTPS and TLS v1.3 Certificate Compression

    HTTPS / TLSv1.3 Certificate

    Certificate compression, reduced handshake exchange data size
  • HTTP/3 and QUIC Security

    HTTP/3 and QUIC Security

    Intelligent anti-DDoS protection for attacks targeting QUIC UDP port
  • Server Level reCAPTCHA

    Server-level reCAPTCHA

    Defends against Layer-7 DDoS attacks of any size
  • Intelligent BotNet Block

    Smart Botnet Detection

    Intelligent Botnet detection and blocking through firewall
  • Dynamic Brotli Compression

    Brotli Compression

    Support for lossless dynamic Brotli compression
  • WordPress Brute Force Protection

    WordPress Protection

    Built-in protection from WordPress brute force attacks
  • Flexible Load Balance Algorithms

    Flexible Load Balancing

    Highly configurable, multiple algorithms. Round Robin, etc.
  • LSCache Engine with ESI

    Advanced server-level cache with hole-punching through ESI
  • High Availability IP Failover

    Reliable access to all data, even if a server goes down
  • Cross Data Center Replication

    Provides real-time, asynchronous replication across data centers
  • Web App Acceleration

    Best customizable acceleration for WordPress, Magento, and more
  • Layer 7 Anti-DDoS Filtering

    Vigilantly detects and thwarts attacks in progress
  • Cutting Edge Technologies

    At the heart of our technology is Edge Side Caching: public and private flexible caching that allows full page assembly without backend access. Additional features include HTTP/3, HTTP/2 and QUIC, SLS/TLS offloading, flexible load balancing algorithm for optimal performance, and more. And customization, configuration, and maintenance are easy with the ZeroConf API.

  • Advanced Security

    For enhanced security environments, LiteSpeed Web ADC is able to securely communicate with HTTPS backends, as well as to drop to faster HTTP connectivity when Edge encryption is sufficient. LiteSpeed Web ADC provides Web Application Firewall Protection (compatible with mod_security), with Layer-7 Anti-DDoS Filtering as well as IP level bandwidth and request rate throttling.

  • Best-of-Breed Solutions

    High Scalability, High Availability IP failover, Cross Datacenter Replication, Cache Data Synchronization and out-of-the box acceleration for Magento and Wordpress round out the feature set to make LiteSpeed Web ADC the best-of-breed solution on the market.

HTTP/3 Support

LiteSpeed is the first to provide a production-ready implementation of this new Internet protocol, previously known as HTTP-over-QUIC.

Learn more about HTTP/3 and LiteSpeed's pioneering efforts here!

Frequently Asked Questions

 What is LiteSpeed Web ADC?

LiteSpeed Web ADC is a high-performing HTTP load balancer and application delivery controller. Small businesses looking to scale their applications beyond one server will find Web ADC to be feature-rich, secure, and highly competitive when compared to other load balancing software solutions.

Please visit our LiteSpeed Web ADC pricing page to choose the best license for your needs.

 What are the benefits of LiteSpeed Web ADC?

LiteSpeed Web ADC is a 100% software solution, meaning it can operate anywhere: private dedicated hardware, hosted environment, the cloud, etc. Web ADC's nearly-instant on-demand scaling adapts to your business needs, even during unexpected traffic spikes, with a flexible subscription model. A highly efficient, security-conscious, cost-effective product, LiteSpeed Web ADC allows you to confidently support higher loads without incurring the cost of additional hardware.

 How should caching be handled with an ADC?

For best results, caching should be done at the ADC level.

Backend-server-level caching doesn't work for this reason: when requests come in to the ADC, we cannot guarantee which backend server will handle each one. The cache can easily become out of sync, when a purge request hits one server but not the others.

 Is a LiteSpeed Web Server required on the backend?

Its preferred to have LiteSpeed Web Server set up on the backend, however LiteSpeed Web ADC works with all web servers.

 Does LiteSpeed Web ADC support QUIC?

Yes, LiteSpeed Web ADC and LiteSpeed Web Server both support QUIC.

 How often does LiteSpeed Web ADC come out with new versions?

We do not have a standard release schedule. Our goal is to continue providing the most cutting-edge technology possibile, so new versions are released often. Check out our release log.

LiteSpeed Web ADC Icon

LiteSpeed Web ADC

LiteSpeed Web ADC is actively maintained and updated with new features and bug fixes. Check in with us frequently to keep yourself current.

Privacy Policy

Privacy Policy

LiteSpeed Technologies, Inc. (aka “LiteSpeed”) is committed to protecting your privacy. This policy ("Privacy Policy" or "Policy") explains our practices for our site, www.dgdg24.com ("Site"). You can visit most pages of the Site without giving us any information about yourself, but sometimes we do need information to provide services that you request. By using this Site or any products or services provided through the Site, you expressly consent to the use and disclosure of information as described in this Privacy Policy.

LiteSpeed reserves the right to revise, modify, add, or remove provisions to this Privacy Policy at any time. If we make changes to this Privacy Policy, we will update the Effective Date to note the date of such changes. LiteSpeed encourages you to review this Privacy Policy periodically for any changes. IF YOU DO NOT AGREE WITH ANY OF THE TERMS BELOW, YOU SHOULD NOT USE THIS SITE OR THE PRODUCTS OR SERVICES OFFERED BY LITESPEED TECHNOLOGIES AT THIS SITE.

Collection of Information

Personal Information.

LiteSpeed will ask you for certain “Personal Information” when you complete registration or product information request forms on the Site, including but not limited to your name, address, telephone number, email address, and credit card information. You can always choose not to provide us with the requested information, however, you may not be able to complete the transaction or use our products or services if you do not provide the information requested.

Non-Personal Information.

LiteSpeed may collect non-personally identifiable information from you such as the type of browser you use, your operating system, the screen resolution of your browser, your ISP, your IP address, which pages you view on the Site and the time and duration of your visits to the Site (collectively, “Non-Personal Information”). LiteSpeed may associate Non-Personal Information with Personal Information if you register with the Site.

User Communications.

If you communicate with us, we may collect information relating to that communication whether it takes the form of email, fax, letter, forum posting, blog comments, testimonials or any other form of communication between you and LiteSpeed or Submitted by you to the Site (collectively, “User Communications”).

Server Information.

If you use one of our software products such as LiteSpeed Web Server or LiteSpeed Web ADC, we may collect certain information concerning such software and concerning the server upon which the software operates. This information includes: (a) the licensed or unlicensed status of the software; (b) the source from which the license for the software was obtained (i.e., LiteSpeed or a LiteSpeed affiliate); or (c) information about the server upon which the software is installed including (i) the public IP address, (ii) the operating system and (iii) the use of any virtualization technologies on such server ((a) through (c) collectively, “Server Information”). Additionally, “Server Information” may also include information collected from you by LiteSpeed in the event that you request technical support services including without limitation, IP addresses, usernames, and passwords necessary to login to SSH, the root directory of the server upon which you installed the LiteSpeed software and any affected accounts including email accounts, control panel accounts, MySQL accounts, CMS accounts and other accounts.

Use and Storage of Collected Information

LiteSpeed may use Personal Information to create and authenticate your account, to respond to your requests, to provide you with customer and technical support, or to provide you with information regarding our products, services, partners, and company. You may update your Personal Information with us at any time, but we may maintain records of any Personal Information you disclose to us indefinitely, unless otherwise requested as outlined below.

We may use User Communications in the same ways we use Personal Information. If you communicate with us for a particular purpose, we may use your User Communications for that purpose. For example, if you contact us for technical support, we may use your communications to provide technical support to you. We may maintain records of User Communications you transmit to us indefinitely, unless otherwise requested as outlined below.

LiteSpeed may use Non-Personal Information to maintain, evaluate, improve and provide our Site, the Services and any other LiteSpeed products and services. We may retain Non-Personal Information indefinitely.

We may use Server Information to provide you with technical support services and to maintain, evaluate, improve and provide LiteSpeed products and services. We may also use such information to investigate unlicensed (and therefore unauthorized) uses of our software. LiteSpeed may maintain Server Information indefinitely, with the exception of usernames, passwords, and other login information given in connection with support service requests. Such login information will be purged when the ticket is closed.

Disclosure of Collected Information

LiteSpeed will only disclose Personal Information to third parties if acting under a good faith belief that such action is necessary, including but not limited to: (a) to resolve disputes, investigate problems, or comply with laws or regulations; (b) to enforce our Terms of Service; (c) to protect and defend the rights, property, or safety of our company or our users; or (d) in the event of a merger, acquisition or sale of all or substantially all LiteSpeed assets. Other than this limited activity, we do not share, sell, or rent any personal information to third parties.

You will receive notice in the form of modifications to this Policy when information about you might go to third parties other than as described in this Policy, and you always have the opportunity to contact us as set forth below if you do not wish your information to go to third parties.

LiteSpeed cannot be responsible for protecting your information if you share such information in publicly available sections of the Site such as the user forums, blog comments, or testimonials section. You should use your own judgment in disclosing this information on the Site.

Use of Cookies

“Cookies” are small pieces of information that your browser stores on your computer on behalf of a website that you have visited. Cookies may be used in order to complete transactions on our site. You can always choose not to accept cookies with the settings of your web browser, however, you may not be able to complete these transactions if you do not accept cookies.

Security of Personal Information

We use reasonable security methods to protect your personal information from unauthorized access, use or disclosure. No data transmission over the Internet or any wireless network can be guaranteed to be perfectly secure. While we try to protect your personal information, we cannot guarantee the security of any information you transmit to us, and you do so at your own risk.

LiteSpeed uses industry-standard SSL-encryption to protect sensitive data.

In the event that LiteSpeed becomes aware of a security breach, unauthorized disclosure or inadvertent disclosure concerning your information, you agree that LiteSpeed may notify you of such an event using the Personal Information previously provided.

You are responsible for maintaining your account’s security.

GDPR Statement

LiteSpeed Technologies values your users’ privacy. Although our software does not directly collect any personally identifiable information from visitors to your site, LiteSpeed may still be considered a data processor, as user information may be temporarily cached and/or logged, as outlined in this document.


LiteSpeed Web Server, OpenLiteSpeed, LiteSpeed Web ADC, and related software may record IP addresses as a part of normal logging. An access log and an error log may record visitor IP addresses and URL visited. The logs are stored locally on the system where LiteSpeed server software is installed and are not transferred to or accessed by LiteSpeed employees in any way, except as necessary in providing routine technical support if you request it. This logging may be turned off through configuration. It is up to individual server administrators to come up with their own schedule for removing such logs from the file system.

Cache Solutions

Our cache plugins potentially store a duplicate copy of every web page on display on your site. The pages are stored locally on the system where LiteSpeed server software is installed and are not transferred to or accessed by LiteSpeed employees in any way, except as necessary in providing routine technical support if you request it. All cache files are temporary, and may easily be purged before their natural expiration, if necessary, via a Purge All command. It is up to individual site administrators to come up with their own cache expiration rules.

LSCache for WordPress

In addition to caching, our WordPress plugin has an Image Optimization feature. When optimization is requested, images are transmitted to a remote LiteSpeed server, processed, and then transmitted back for use on your site. LiteSpeed keeps copies of optimized images for 7 days (in case of network stability issues) and then permanently deletes them.

Similarly, the WordPress plugin has a Reporting feature whereby a site owner can transmit an environment report to our server so that we may better provide technical support.

Neither of these features collects any visitor data. Only server and site data is involved.

Support Services

Sometimes, when you request technical support, LiteSpeed may ask for login credentials to various areas of your site. You may refuse to share such credentials, however refusal may impact LiteSpeed’s ability to provide the requested support services.

Upon completion of a support ticket, LiteSpeed immediately deletes all login credentials you may have shared.

Any user data encountered by LiteSpeed is kept strictly confidential. We never provide your support ticket information to any third party without your explicit consent.

Contact Us

If you would like to update information that you have voluntarily provided to us, stop receiving information from us, or exercise any of the rights granted to you under Privacy Laws, including the EU’s General Data Protection Regulation, please e-mail info@litespeedtech.com.