Runtime configuration options for networking
HTTP/2 protocol
- Configures whether support for the HTTP/2 protocol is enabled.
- If you omit this setting, support for the HTTP/2 protocol is enabled. This is equivalent to setting the value to
true
.
Setting name | Values | |
---|---|---|
runtimeconfig.json | System.Net.Http.SocketsHttpHandler.Http2Support |
false - disabledtrue - enabled |
Environment variable | DOTNET_SYSTEM_NET_HTTP_SOCKETSHTTPHANDLER_HTTP2SUPPORT |
0 - disabled1 - enabled |
This configuration setting doesn't have a specific MSBuild property. However, you can add a RuntimeHostConfigurationOption
MSBuild item instead. Use the runtimeconfig.json setting name as the value of the Include
attribute. For an example, see MSBuild properties.
SPN creation in HttpClient (.NET 6 and later)
- Impacts generation of service principal names (SPN) for Kerberos and NTLM authentication when
Host
header is missing and target is not running on default port. - .NET 6 and later versions don't include the port in the SPN, but the behavior is configurable.
Setting name | Values | |
---|---|---|
runtimeconfig.json | System.Net.Http.UsePortInSpn |
true - includes port number in SPN, for example, HTTP/host:port false - does not include port in SPN, for example, HTTP/host |
Environment variable | DOTNET_SYSTEM_NET_HTTP_USEPORTINSPN |
1 - includes port number in SPN, for example, HTTP/host:port 0 - does not include port in SPN, for example, HTTP/host |
This configuration setting doesn't have a specific MSBuild property. However, you can add a RuntimeHostConfigurationOption
MSBuild item instead. Use the runtimeconfig.json setting name as the value of the Include
attribute. For an example, see MSBuild properties.
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