LiteSpeed Technologies
LiteSpeed Web ADC Release Log https://litespeedtech.com/images/logos/litespeed/litespeed-logo.png 2022-05-20 19:52:07 LiteSpeed Web ADC is frequently updated with new features and bug fixes. This is a detailed list of changes, arranged by date and version number.

LiteSpeed Web ADC
Release Log

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LiteSpeed Web ADC is constantly updated with new features and bug fixes.

LiteSpeed Ingress Controller 0.1.23(05-19-2022) New Feature & Bugfixes

  • NEW FEATURE Red/Blue and Canary deployments using annotations.
  • BUGFIX context_list is properly passed in ZeroConf between Go program and load balancer resulting in contexts now working correctly.
  • BUGFIX A missing exact context entry is now correctly added into contexts.
  • BUGFIX Use and document vhostPerDomain correctly.

Web ADC 3.1.6(05-11-2022) Security, Improvement & Bugfixes

  • SECURITY Address a crash and memory leak in HTTP/3 implementation. current PCI scan.
  • IMPROVEMENT Better cache storage cleanup up for purged pages.
  • BUGFIX Avoid sending multiple cookie headers in proxy requests to backend.
  • BUGFIX Block request header "transfer-encoding: chunked" for HTTP/2 and HTTP/3.
  • BUGFIX Better cache vary support for static content.
  • BUGFIX Address a few random crashes.

LiteSpeed Ingress Controller 0.1.22(05-06-2022) New Features & Bugfix

  • NEW FEATURE WebAdmin interface is now available including Real-Time Stats and template WebADC configuration. Template support provides availability to the Web Application Firewall.
  • NEW FEATURE Optional support for configuration port in helm definition (service.ports.config).
  • BUGFIX Reduce restarts within health checks.

LiteSpeed Ingress Controller 0.1.21(04-15-2022) New Feature & Bugfix

  • NEW FEATURE Support both Nginx and generic Rewrite annotations.
  • BUGFIX Correctly support multiple domains for a SSL certificate.

Web ADC 3.1.5(02-24-2022) New Features & Imporvements

  • NEW FEATURE Add "Failover" load balancing strategy.
  • IMPROVEMENT Add new configuration option to control cache vary for static content.
  • IMPROVEMENT Better stale cache purge handling.
  • IMPROVEMENT Auto whitelist QUIC.cloud and Jetpack IPs.
  • IMPROVEMENT Better backend ping control.
  • IMPROVEMENT Detect bot attacks by bad status code.

WHM WebADC ZeroConf 0.7.4(01-18-2022) Refactor

  • REFACTOR Remove dependency on Scalar::Util::Numeric.

WHM WebADC ZeroConf 0.7.3(11-15-2021) Bugfix

  • BUGFIX Use Cpanel::Binaries::path if available.

Web ADC 3.1.3(11-12-2021) New Features, Imporvements & Bugfixes

  • NEW FEATURE Websocket passthrough to backend cluster.
  • NEW FEATURE Add websocket proxy target support for rewrite rules.
  • IMPROVEMENT Improve HTTP/2 upload throughput.
  • IMPROVEMENT Improve HTTP/3 upload throughput.
  • IMPROVEMENT Improve HTTP/3 DPLPMTUD support.
  • BUGFIX Address HTTP/3 handshake failures.
  • BUGFIX Address an HTTP/1.1 request body chunk encoding corner case.
  • BUGFIX Throttle unnecessary lscache purges generated by LSCWP.
  • BUGFIX Other minor bug fixes and improvements.

WHM WebADC ZeroConf 0.7.2(09-24-2021) New Feature and Update

  • NEW FEATURE Add ability to configure max conns for each backend.
  • UPDATE Add support for NAT mode.

Web ADC 3.1.2(09-21-2021) Imporvement & Bugfixes

  • IMPROVEMENT Make max_conn configurable at vhost level through ZeroConf API.
  • BUGFIX Address a few issues with asynchronous mod_security engine.
  • BUGFIX Improve load balancing algorithm to distribute load evenly among backends.
  • BUGFIX Properly handle POST requests without "Content-Length" header in HTTP/2 and HTTP/3 streams.
  • BUGFIX Address a few issues with handling for HTTP/3 backends.
  • BUGFIX Cache engine should no longer purge again when serving a cached page with purge headers.
  • BUGFIX Other minor bug fixes and improvements.

Web ADC 3.1.1(07-08-2021) Bugfixes

  • BUGFIX Address a chrome HTTP/3 connection timeout issue for long running scripts.
  • BUGFIX Address a random crash with asynchronous mod_security engine.
  • BUGFIX Resolve a problem with purging by URL.
  • BUGFIX Address a crash when handling decoded HTTP/2 headers.
  • BUGFIX Detect dead HTTP/2 connections during server cooldown.
  • BUGFIX Improve request/response header name validation to avoid HTTP/2 and HTTP/3 protocol violations.
  • BUGFIX Minor tweaks to HTTP/3 protocol.

Web ADC 3.1(06-07-2021) New Features

  • NEW FEATURE HTTP/3 v1 support with with DPLPMTUD, Adaptive congestion control, Delayed ACK, and zero-copy packetization.
  • NEW FEATURE Asynchronous mod_security engine.
  • NEW FEATURE Cache engine POST request caching capability.
  • NEW FEATURE Support for secure websocket backends (wss://).
  • NEW FEATURE ModSecurity JSON audit log.
  • NEW FEATURE ModSecurity scan response body support.
  • NEW FEATURE ModSecurity persistent collection SHM storage.
  • NEW FEATURE Server level header manipulation.

Web ADC 3.0.3(03-11-2021) Tuning and Bug Fixes

  • TUNING Add LB configurations and ping interval config for ZeroConf.
  • TUNING Increase cache object size limit from 10MB to 100MB.
  • TUNING Log reason for reCAPTCHA trigger.
  • BUGFIX Update lsquic to v2.29 with improved HTTP/3 performance and stability.
  • BUGFIX Purge By URL no longer interferes with Purge by Tag with a leading '/'.
  • BUGFIX Address random blank cached page caused by conditional fetching of stale cache from backend.
  • BUGFIX Address content corruption for ESI includes.
  • BUGFIX Use THROTTLE as the default mode for WordPress brute force protection.
  • BUGFIX Follow connection close response header for HTTP/1.1 proxy connections.

Web ADC 3.0.2(02-09-2021) Bug Fixes

  • BUGFIX Update lsquic to v2.27 with improved HTTP/3 performance and stability.
  • BUGFIX Improve WordPress brute force protection with reCAPTCHA.
  • BUGFIX Address hanging caused by HTTP/1.1 chunk encoding.
  • BUGFIX Correct truncated response body due to ESI + HTTP/2.
  • BUGFIX Improve ESI parser to handle improperly escaped ESI directives.
  • BUGFIX TLS session ticket timeout now defaults to 1 hour.
  • BUGFIX Access logging delay is avoided when AIO logging is enabled.
  • BUGFIX Mod_security @rx operator is able to scan multi-line input now.
  • BUGFIX $VH_DOMAIN in vhost template configuration is now supported.
  • BUGFIX ADDRESS A few minor memory leaks.

Web ADC 3.0.1(10-29-2020) New Features, Improvement and Bug Fixes

  • NEW FEATURE Enable ESI combine request for WordPress cache.
  • NEW FEATURE Add option to purge cache based on disk space.
  • NEW FEATURE Add support for using "X-Real-ip" header for client IP.
  • IMPROVEMENT Cache engine now forwards vary value to backend.
  • BUGFIX Address various slow memory leaks.
  • BUGFIX Address various issues in IETF QUIC (HTTP/3) implementation.
  • BUGFIX Address various issues in HTTP/2 implementation.
  • BUGFIX Address various issues in HTTP/2 and HTTP/3 client connections to backend.
  • BUGFIX Release unneeded resource for firewall controller process.

Web ADC 3.0(06-30-2020) New Features, Tuning, Improvement and Bug Fixes

  • NEW FEATURE Support for HTTP/3 drafts 27,28, and 29.
  • NEW FEATURE POST request caching support.
  • NEW FEATURE End to end HTTP/1, HTTP/2 and HTTP/3 load balancing.
  • NEW FEATURE New configuration options 'bindIpv6Only', 'reverseDnsLookup', 'verifyGoogleBot', 'forceSecureCookie', 'purgeNoHitTimeout', and 'sslDefaultCiphers'.
  • TUNING Complete rewrite of HTTP/2 engine with more efficient header handling when routing requests using HTTP/2 and HTTP/3.
  • IMPROVEMENT reCAPTCHA handling now avoids hijacking backend server initiated verification.
  • BUGFIX Address bugs in various modules (mod_secuirty, SHM, cache, ESI, and ZeroConf).

Web ADC 3.0 RC3(06-22-2020) New Features and Bug Fixes

  • NEW FEATURE HTTP/3 draft 29 support.
  • NEW FEATURE POST request caching support.
  • NEW FEATURE "Use Client IP in Header" setting can now be set to use the last IP listed in the X-Forwarded-For header. (for servers behind AWS ELB)
  • BUGFIX Correct a SHM memory allocation issue.
  • BUGFIX Invisible reCAPTCHA now works properly with IE 11 browser.

Web ADC 3.0 RC2(06-09-2020) New Feature, Improvements, and Bug Fixes

  • NEW FEATURE Add support for HTTP/3 draft 28.
  • IMPROVEMENT Enhance HTTP/2 performance.
  • IMPROVEMENT Enhance cache engine purge by URL implementation.
  • BUGFIX Squash some minor proxy header handling bugs.
  • BUGFIX Prevent output corruption by ESI engine.
  • BUGFIX No longer force cache revalidation when caching a static entry.

Web ADC 3.0 RC1(05-22-2020) Major New Features, Major Improvements, and Bug Fixes

  • MAJOR NEW FEATURE Added support for HTTP/2 proxy backend.
  • NEW FEATURE Added new configuration options 'bindIpv6Only', 'reverseDnsLookup', 'verifyGoogleBot', 'forceSecureCookie', 'purgeNoHitTimeout', and 'sslDefaultCiphers'.
  • MAJOR IMPROVEMENT Refactored and optimized to HTTP/2 and HTTP/3 engines.
  • IMPROVEMENT Improved automatic cache storage cleanup.
  • BUGFIX Fixed repeated refreshing in cache stale refresh logic.
  • BUGFIX Fixed a cache response by MIME type bug.
  • BUGFIX Fixed various minor bugs in mod_security engine.
  • BUGFIX Fixed minor bugs in HTTP/3 engine.

WHM Web ADC ZeroConf 0.7(05-20-2020) New Feature and Update

  • NEW FEATURE Add Cluster IPs for server-wide and per-domain cluster configurations.
  • UPDATE Add hooks for SSL installation and cPanel addon/sub/parked domains.

Web ADC 2.7(03-30-2020) New Features and Update

  • NEW FEATURE Made mod_security engine fully asynchronous.
  • NEW FEATURE Added support for transparent proxies.
  • UPDATE Updated HTTP/3 support to h3-27.

Web ADC 2.6.1(03-25-2020) New Features, Securities,Tuning, Bugfixes

  • NEW FEATURE Support QUIC/HTTP3 versions up to Q050, h3-25, h3-27
  • NEW FEATURE set X_SPDY environment for IETF QUIC connection.
  • NEW FEATURE allow using cluster name in PROXY target URL. It has a higher priority than proxy worker.
  • NEW FEATURE allow rewrite rule to update Proxy-Host without using PROXY action.
  • SECURITY Improve access security for Web Admin. current PCI scan.
  • SECURITY Disable TLS 1.1 for the default setting. current PCI scan.
  • TUNING Set RBL DNS cache to 60 seconds.
  • BUGFIX Fix a bug where Quic Client connections did not work with multiple backends.
  • BUGFIX Fix bugs that could cause the Mod Security engine to hang.
  • BUGFIX Fix bugs in the ModSecurity configuration parser.
  • BUGFIX Tune various Mod Security variables to be more accurate.
  • BUGFIX Fix bugs in query string decoding.
  • BUGFIX Fix memory leak in Replication logic.
  • BUGFIX Fix a bug that caused Font files to not be cached.
  • BUGFIX Fix a bug in the ESI handler that caused the ESI requests to hang.

WHM Web ADC ZeroConf 0.6(01-07-2020) Bugfix

  • BUGFIX Switch to use Cpanel::Binaries::get_binary_location.

Web ADC 2.6(10-24-2019) New Feature, Improvement

  • NEW FEATURE Updated HTTP/3 with draft 23 support.
  • NEW FEATURE Added BBR congestion control for HTTP/3, QUIC.
  • NEW FEATURE Added HTTP/3 and QUIC proxy client for HTTPS proxy backends.
  • IMPROVEMENT HTTP/2 performance improvements.
  • IMPROVEMENT Asynchronous mod_security offloading with multi-threading.

WHM Web ADC ZeroConf 0.5(08-21-2019) New Feature & Bugfix

  • NEW FEATURE Add logic to check for VHost Templates within configurations.
  • BUGFIX Early builds of cPanel 82 has the URL::Encode module missing. Change to use the Encode core module instead.

Web ADC 2.5.1(08-15-2019) Security, New Feature, Improvement & BugFix

  • SECURITY Addressed recent HTTP/2 DoS advisories. Fixed CVE-2019-9516 "0-Length Headers Leak" vulnerability. Completely blocks unaffected attacks: CVE-2019-9511 "Data Dribble", CVE-2019-9512 "Ping Flood", CVE-2019-9513 "Resource Loop", CVE-2019-9514 "Reset Flood", CVE-2019-9515 "Settings Flood", CVE-2019-9517 "Internal Data Buffering", and CVE-2019-9518 "Empty Frames Flood".
  • NEW FEATURE Updated HTTP/3 support to Internet Draft 22.
  • IMPROVEMENT reCAPTCHA engine has been improved to reduce false positives.
  • BUGFIX Fixed a regression that affected the handling of HEAD requests.

Web ADC 2.5(07-30-2019) New Features, & Improvements

  • MAJOR NEW FEATURE Added support for experimental HTTP/3 draft 20.
  • NEW FEATURE HTTPS handshake offloading improves HTTPS handshake speed and avoids clogging the server's main event loop.
  • NEW FEATURE SO_REUSEPORT support improves multi-worker scalability for high traffic deployments.
  • NEW FEATURE HTTPS certificate compression reduces the size of HTTPS handshake exchange data.
  • NEW FEATURE Added support for Q046 in QUIC engine.
  • NEW FEATURE Added smart anti-DDoS protection for attacks targeting QUIC UDP port.
  • IMPROVEMENT More reliable HA replication.
  • IMPROVEMENT Bug fixes and enhancement to ZeroConf API.

WHM Web ADC ZeroConf(01-07-2019) New Features

  • NEW FEATURE Introduce Force Update SSL - forces Web ADC to update to new SSL certificates.

Web ADC 2.4(01-03-2019) New Features, Major Improvements, & Bug Fixes

  • NEW FEATURE QUIC 044 support.
  • NEW FEATURE QUIC proxy backend support for backend communication through QUIC.
  • NEW FEATURE New load balancing strategy: LB_ST_FASTER_RESP.
  • NEW FEATURE Recaptcha verification for DDoS attack mitigation.
  • NEW FEATURE Intelligent Botnet detection and blocking through firewall.
  • MAJOR IMPROVEMENT HTTP/2 performance has been improved with a better header compression/decompression work flow.
  • BUGFIX All bug fixes from ADC v2.3 incremental builds included.

Web ADC 2.3(08-09-2018)Feature Enhancements & Bug Fixes

  • MAJOR NEW FEATURE Added dynamic BROTLI compression.
  • IMPROVEMENT Improved QUIC engine with Google QUIC v43 support, improved performance.
  • IMPROVEMENT Improved HA/Replication support.
  • IMPROVEMENT Improved ZeroConf support.
  • IMPROVEMENT Improved cache engine with automatically static assets caching and updating.
  • IMPROVEMENT Added MaxmindDB support.
  • IMPROVEMENT Improved HTTP/2 performance.
  • IMPROVEMENT Added TLSv1.3 draft 28 support.

Web ADC 2.2(05-09-2018)Feature Enhancements & Bug Fixes

  • NEW FEATURE Easy cluster management with ZeroConfig API and cPanel integration.
  • IMPROVEMENT QUIC engine has been improved with better performance and scalability.
  • IMPROVEMENT PageSpeed support has been improved.
  • IMPROVEMENT mod_security engine has been improved with better performance and compatibility.
  • BUGFIX Fixed a bug that sometimes caused IPv6 listeners to be unable to restart.

Web ADC 2.1.3(03-02-2018)Improvements & Bug Fixes

  • IMPROVEMENT Improved QUIC engine performance and download speeds.
  • BUGFIX Fixed a bug that caused a file descriptor leak in the cache engine.
  • BUGFIX Fixed an SHM corruption bug.
  • BUGFIX Fixed a bug that caused a file descriptor leak when SecRemoteRule was used.
  • BUGFIX Fixed a bug that sometimes caused IPv6 listeners to be unable to restart.

Web ADC 2.1.2(12-21-2017)Feature enhancements

  • NEW FEATURE Improved cache engine with capability to selectively drop certain query string value pairs.
  • NEW FEATURE Built-in WordPress brute force protection.
  • NEW FEATURE Added capability to modify response headers through context level configuration.
  • IMPROVEMENT Improved QUIC engine performance.

Web ADC 2.1(7-11-2017)Major Feature enhancements

  • MAJOR NEW FEATURE Added QUIC support, compatible with Q035, Q037.
  • NEW FEATURE Switched from OpenSSL to BoringSSL with TLSv1.3 support.
  • NEW FEATURE Added TCP_FASTOPN support.
  • NEW FEATURE The ZeroConfig API supports direct, automated thirdparty management of Web ADC configuration.
  • NEW FEATURE Added support for IP2Location to convert IP to geographic location.
  • NEW FEATURE Added support for SecRemoteRules and improved performance of mod_security engine.

Web ADC 2.1RC1(6-13-2017)Major Feature enhancements

  • MAJOR NEW FEATURE Added QUIC support, compatible with Q035, Q037.
  • NEW FEATURE Switched from OpenSSL to BoringSSL with TLSv13 support.
  • NEW FEATURE Added TCP_FASTOPN support.

Web ADC 2.0.2(2-1-2017) Major Feature enhancements, Security updates, Bug Fixes

  • SECURITY Removed DES-CBC3-SHA from default cipher suite to avoid failing current PCI scan.
  • SECURITY Upgrade bundled OpenSSL library to 1.0.2k.
  • IMPROVEMENT Improved mod_security log messages to use variable values.
  • BUGFIX Fixed a bug in SHM hash table that caused data corruption and infinite looping.
  • BUGFIX Fixed a bug in cache object replication that caused long delays for graceful restart.
  • BUGFIX Minor bug fixes in HTTP/2, the ESI cache engine, and the mod_security engine.

Web ADC 2.0.1(11-10-2016)Major Feature enhancements, Bug Fixes

  • MAJOR IMPROVEMENT Improved LiteMage first page load speed for new visitors by avoiding going through the backend.
  • IMPROVEMENT Improved cache purging capability: private cache entries can now be purged with public tags and multiple cache purge response headers are accepted.
  • BUGFIX Improved server stability with minor bug fixes.

Web ADC 2.0(06-22-2016)Feature enhancements

  • Added PageSpeed support
  • Added Magento LiteMage support
  • Improved cache engine
  • Improved server stability
  • Upgraded bundled OpenSSL to 1.0.2h

Web ADC 2.0RC3(01-29-2016)Feature enhancements

  • Improved WebAdmin real-time statistics.
  • Improved HA replication.
  • Improved stateful session tracking.
  • Improved server stability.
  • Upgraded bundled OpenSSL to 1.0.2f.

Web ADC 2.0RC2(11-19-2015)Feature enhancements and minor Bug Fixes

  • Improvements to session data replication.
  • Improvements to mod_security engine.
  • Minor bug fixes.

Web ADC 2.0RC1(10-14-2015)Major Feature enhancements

  • Added HTTP/2 support.
  • Added High Availablity support through integration with Keepalived/CARP and session data replication.
  • Added Page Cache support.
  • Updated ModSecurity engine to support @rbl and @inspectfile operators.
  • Added Multi-worker processes support with shared internal states to take advantage of multi-CPU/core SMP servers.
  • Added shared SSL session cache and SSL ticket synchronization.
  • Added Multi-Certificate support to use RSA, DSA, and ECC certificates for the same domain.
  • Added SSL SNI mass hosting configuration.

Web ADC 1.8(10-16-2014)Security patch and Feature enhancements

  • Upgraded OpenSSL to 1.0.1j to address vulnerabilities in 1.0.1i.
  • SSLv3 turned off by default for HTTPS virtual hosts.
  • Added support for TLSv1.1 and TLSv1.2.
  • Ended Solaris, FreeBSD 4/5, and Mac OSX support.

Web ADC 1.7(1-8-2010)Feature enhancements and minor Bug Fixes

  • Fixed a bug in WebAdmin console that cannot save certain configuration.
  • Show blocked IP in WebAdmin console.
  • Linked against OpenSSL to 0.9.8l.
  • Added TCP_CORK to minimize packet segmentations.

Web ADC 1.6(1-28-2009)Minor Bug Fixes

  • Fixed a bug that causes HEAD request take long time to finish.
  • Pass through 'deflate' response body.

Web ADC 1.5(12-10-2008)Minor Bug Fixes

  • Fixed a bug that causes server process to crash when one of the backend node failed to respond to ping request.
  • Blank response header from backend server will be ignored.

Web ADC 1.4(10-1-2008)Feature enhancements and minor Bug Fixes

  • IP to geo location feature has been updated to match new changes in Apache mod_geoip.
  • Special care has been added to handle 1xx response from proxied back-end web servers.
  • Fixed a bug that cause Web ADC not to reload license key after the key being updated.

Web ADC 1.3(6-30-2008)Minor Bug Fixes

  • A bug that affects updating monthly lease license key has been fixed.
  • A bug in request filter has been fixed.

Web ADC 1.2(5-19-2008)Feature enhancements and minor Bug Fixes

  • Automated license management has been added.
  • Minor bug fixes in the HTTP engine core.

Web ADC 1.1(12-17-2007)Feature enhancements and minor Bug Fixes

  • Various bug has been fixed in the core HTTP engine.
  • network throughput has been fine tuned.
  • Many new features from the web server branch has been added.

Web ADC 1.0(6-4-2007)Initial Public Release

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Effective Date: May 18, 2018

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