diff --git a/aspnetcore/host-and-deploy/linux-apache.md b/aspnetcore/host-and-deploy/linux-apache.md index 1aef8a4dab..6e850b6ab2 100644 --- a/aspnetcore/host-and-deploy/linux-apache.md +++ b/aspnetcore/host-and-deploy/linux-apache.md @@ -5,7 +5,7 @@ description: Learn how to set up Apache as a reverse proxy server on CentOS to r monikerRange: '>= aspnetcore-2.1' ms.author: shboyer ms.custom: mvc -ms.date: 03/31/2019 +ms.date: 11/05/2019 uid: host-and-deploy/linux-apache --- # Host ASP.NET Core on Linux with Apache @@ -478,7 +478,7 @@ The example file limits bandwidth as 600 KB/sec under the root location: ### Long request header fields -If the app requires request header fields longer than permitted by the proxy server's default setting (typically 8,190 bytes), adjust the value of the [LimitRequestFieldSize](https://httpd.apache.org/docs/2.4/mod/core.html#LimitRequestFieldSize) directive. The value to apply is scenario-dependent. For more information, see your server's documentation. +Proxy server default settings typically limit request header fields to 8,190 bytes. An app may require fields longer than the default (for example, apps that use [Azure Active Directory](https://azure.microsoft.com/services/active-directory/)). If longer fields are required, the proxy server's [LimitRequestFieldSize](https://httpd.apache.org/docs/2.4/mod/core.html#LimitRequestFieldSize) directive requires adjustment. The value to apply depends on the scenario. For more information, see your server's documentation. > [!WARNING] > Don't increase the default value of `LimitRequestFieldSize` unless necessary. Increasing the value increases the risk of buffer overrun (overflow) and Denial of Service (DoS) attacks by malicious users. diff --git a/aspnetcore/host-and-deploy/linux-nginx.md b/aspnetcore/host-and-deploy/linux-nginx.md index 5d97ca5578..8887ae416b 100644 --- a/aspnetcore/host-and-deploy/linux-nginx.md +++ b/aspnetcore/host-and-deploy/linux-nginx.md @@ -5,7 +5,7 @@ description: Learn how to setup Nginx as a reverse proxy on Ubuntu 16.04 to forw monikerRange: '>= aspnetcore-2.1' ms.author: riande ms.custom: mvc -ms.date: 03/31/2019 +ms.date: 11/05/2019 uid: host-and-deploy/linux-nginx --- # Host ASP.NET Core on Linux with Nginx @@ -281,7 +281,7 @@ To configure data protection to persist and encrypt the key ring, see: ## Long request header fields -If the app requires request header fields longer than permitted by the proxy server's default settings (typically 4K or 8K depending on the platform), the following directives require adjustment. The values to apply are scenario-dependent. For more information, see your server's documentation. +Proxy server default settings typically limit request header fields to 4 K or 8 K depending on the platform. An app may require fields longer than the default (for example, apps that use [Azure Active Directory](https://azure.microsoft.com/services/active-directory/)). If longer fields are required, the proxy server's default settings require adjustment. The values to apply depend on the scenario. For more information, see your server's documentation. * [proxy_buffer_size](https://nginx.org/docs/http/ngx_http_proxy_module.html#proxy_buffer_size) * [proxy_buffers](https://nginx.org/docs/http/ngx_http_proxy_module.html#proxy_buffers)