--- title: Requirements description: The requirements for previous versions of Web Agent that have reached End of Maintenance (EOM). component: web-agents version: release-notes page_id: web-agents::archive-requirements canonical_url: https://docs.pingidentity.com/web-agents/release-notes/archive-requirements.html section_ids: supported_browsers: Supported browsers am-requirements: AM requirements ssl_requirements: SSL requirements tls_requirements: TLS requirements openssl_requirements: OpenSSL requirements platform_requirements: Platform requirements supported_operating_systems_and_web_servers_projectname_2023_11: Supported operating systems and web servers Web Agent 2023.11.x supported_operating_systems_and_web_servers_web_agent_5_10: Supported operating systems and web servers Web Agent 5.10 web-pa-other-requirements: Linux Systems requirements microsoft_windows_systems_requirements: Microsoft Windows systems requirements --- # Requirements The requirements for previous versions of Web Agent that have reached End of Maintenance (EOM). ## Supported browsers Web Agent supports the latest stable versions of web browsers that support JavaScript 5 and later. ## AM requirements * Web Agent supports AM 7.2 and later. * Web Agent requires the WebSocket protocol to communicate with AM. Both the web server and the network infrastructure must support the WebSocket protocol. For example, Apache HTTP server requires the `proxy_wstunnel_module` for proxying the WebSocket protocol. Read your network infrastructure and web server documentation for more information about WebSocket support. ## SSL requirements To secure communications such as the connection to AM through the WebSocket protocol, agents require OpenSSL or the Windows Secure Channel API (Schannel). To define the protocol versions allowed in your environment, configure the [Security Protocol List](https://docs.pingidentity.com/web-agents/2025.11/properties-reference/org.forgerock.agents.config.tls.html). ### TLS requirements | Agent version | Supported and enabled by default | Supported but disabled by default | | ------------- | -------------------------------- | --------------------------------- | | 2023.11.x | TLSv1.3, TLSv1.2 | TLSv1.1, TLSv1.0, SSLv3 | | 5.10 | TLSv1.3, TLSv1.2 | TLSv1.1, TLSv1.0, SSLv3 | ### OpenSSL requirements | Agent version | Operating system | OpenSSL version | | ------------- | ---------------------------------------------------------------------- | -------------------------------- | | 2023.11.x | CentOS Red Hat Enterprise Linux Oracle Linux Amazon Linux Ubuntu Linux | 3.0.x, 1.1.1 | | | Microsoft Windows Server(2) | 3.0.x, 1.1.1 | | | IBM AIX | 3.0.x, 1.1.1 | | 5.10 | CentOS Red Hat Enterprise Linux Oracle Linux Amazon Linux Ubuntu Linux | 3.0.x, 1.1.1, 1.1.0(1), 1.0.x(1) | | | Microsoft Windows Server(2) | 3.0.x, 1.1.1, 1.1.0(1), 1.0.x(1) | | | IBM AIX | 3.0.x, 1.1.1, 1.1.0(1), 1.0.x(1) | (1) Not supported after Web Agent 5.10.\ (2) On Windows, Web Agent uses Schannel by default. ## Platform requirements | | | | - | -------------------------------------------------------------------------------------------------------------- | | | * Web Agent supports only 64-bit architectures. * IIS Web Agent supports 64-bit and 32-bit application pools. | ### Supported operating systems and web servers Web Agent 2023.11.x | Operating systems | OS versions | Web servers & minimum supported versions | | ------------------------------------------------------------ | ---------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | * CentOS Linux(1) | - 7(2) | * Apache HTTP Server 2.4 * Red Hat JBoss Core Services (Red Hat Enterprise Linux only) * IBM HTTP Server 8.5, 9 * NGINX Plus R25(2), R26(2), R27(2), R28(2), R29(2), R30 | | - Red Hat Enterprise Linux - Oracle Linux - Amazon Linux 2 | * 7(2) * 8 * 9 | | | - Ubuntu Linux | * 18.04 LTS(2) * 20.04 LTS * 22.04 LTS | | | - SUSE Linux Enterprise | * 15 | - Apache HTTP Server 2.4 | | * Microsoft Windows Server | - 2016, 2019, 2022 | * Apache HTTP Server 2.4(3) * Microsoft IIS 10 | | - IBM AIX | * 7 | - IBM HTTP Server 9 | (1) For information about which version of CentOS to use with the listed NGINX Plus, refer to the NGINX Plus documentation.\ (2) Support to be discontinued in a future release.\ (3) The [Apache HTTP Server Project](https://httpd.apache.org/) doesn't offer binary releases for Microsoft Windows. The Apache HTTP Server web agent for Windows was tested against the binaries offered by [Apache Lounge](https://www.apachelounge.com/download). ### Supported operating systems and web servers Web Agent 5.10 | Operating systems | OS versions | Web servers & minimum supported versions | | ------------------------------------------------------------ | ------------------------ | ----------------------------------------------------------------------------------------- | | * Amazon Linux 2 * Oracle Linux * Red Hat Enterprise Linux | - 7 - 8 | * Apache HTTP Server 2.4 * IBM HTTP Server 9 * NGINX Plus R23(1), R24(1), R25, R26, R27 | | - CentOS | * 7 * 8(1) | - Apache HTTP Server 2.4 - IBM HTTP Server 9 - NGINX Plus R23(1), R24(1), R25, R26, R27 | | * Ubuntu Linux | - 18.04 LTS - 20.04 LTS | * Apache HTTP Server 2.4 * IBM HTTP Server 9 * NGINX Plus R23(1), R24(1), R25, R26, R27 | | | - 22.04 LTS | * Apache HTTP Server 2.4 * IBM HTTP Server 9 | | - IBM AIX | * 7 | - IBM HTTP Server 9 | | * Microsoft Windows Server | - 2012 R2(1) | * Apache HTTP Server 2.4(2) * Microsoft IIS 8.5 | | | - 2016, 2019, 2022 | * Apache HTTP Server 2.4,(2) * Microsoft IIS 10 | (1) Support to be discontinued in a future release. (2) The [Apache HTTP Server Project](https://httpd.apache.org/) doesn't offer binary releases for Microsoft Windows. The Apache HTTP Server web agent for Windows was tested against the binaries offered by [Apache Lounge](https://www.apachelounge.com/download) ## Linux Systems requirements * Web Agent on Linux supports Glibc 2.28 and later versions. For Glibc versions before 2.28, contact [support](https://support.pingidentity.com). * Web Agent on Linux requires a minimum of 16 MB of shared memory for the session and policy cache, and the various worker processes. Additionally, it needs 32 KB shared memory for the logging system. Failure to provide enough shared memory may result in errors similar to the following: ``` 2017-11-10 12:06:00.492 +0000 DEBUG [1:7521][source/shared.c:1451]am_shm_create2() about to create block-clusters_0, size 1074008064 2017-11-10 12:06:00.492 +0000 ERROR [1:7521]am_shm_create2(): ftruncate failed, error: 28 ``` You can find information on configuring additional shared memory for the session and policy cache in [Environment variables](https://docs.pingidentity.com/web-agents/2025.11/user-guide/configure-envvars.html). * If POST data preservation is enabled, the web agent requires additional free disk space in the web agent installation directory to store the POST data cache files. ## Microsoft Windows systems requirements * Before installing the IIS web agent, make sure that the optional Application Development component of Web Server (IIS) is installed. In the Windows Server 2022 Server Manager for example, Application Development is a component of Web Server (IIS) | Web Server. * Web Agent on Windows requires a minimum of 16 MB of shared memory for the session and policy cache, and the various worker processes in the system page file. Additionally, it needs 32 KB shared memory for the logging system. Failure to provide enough shared memory may result in errors similar to the following: ``` 2017-11-10 12:06:00.492 +0000 DEBUG [1:7521][source/shared.c:1451]am_shm_create2() about to create block-clusters_0, size 1074008064 2017-11-10 12:06:00.492 +0000 ERROR [1:7521]am_shm_create2(): ftruncate failed, error: 28 ``` You can find information on configuring additional shared memory for the session and policy cache in [Environment variables](https://docs.pingidentity.com/web-agents/2025.11/user-guide/configure-envvars.html). * If POST data preservation is enabled, the web agent requires additional free disk space in the web agent installation directory to store the POST data cache files.