Serilog.Enrichers.ClientInfo 2.1.2

dotnet add package Serilog.Enrichers.ClientInfo --version 2.1.2                
NuGet\Install-Package Serilog.Enrichers.ClientInfo -Version 2.1.2                
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="Serilog.Enrichers.ClientInfo" Version="2.1.2" />                
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Serilog.Enrichers.ClientInfo --version 2.1.2                
#r "nuget: Serilog.Enrichers.ClientInfo, 2.1.2"                
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
// Install Serilog.Enrichers.ClientInfo as a Cake Addin
#addin nuget:?package=Serilog.Enrichers.ClientInfo&version=2.1.2

// Install Serilog.Enrichers.ClientInfo as a Cake Tool
#tool nuget:?package=Serilog.Enrichers.ClientInfo&version=2.1.2                

serilog-enrichers-clientinfo NuGet alternate text is missing from this package README image

Enrich logs with client IP, Correlation Id and HTTP request headers.

Install the Serilog.Enrichers.ClientInfo NuGet package

Install-Package Serilog.Enrichers.ClientInfo

or

dotnet add package Serilog.Enrichers.ClientInfo

Apply the enricher to your LoggerConfiguration in code:

Log.Logger = new LoggerConfiguration()
    .Enrich.WithClientIp()
    .Enrich.WithCorrelationId()
    .Enrich.WithRequestHeader("Header-Name1")
    // ...other configuration...
    .CreateLogger();

or in appsettings.json file:

{
  "Serilog": {
    "MinimumLevel": "Debug",
    "Using":  [ "Serilog.Enrichers.ClientInfo" ],
    "Enrich": [
      "WithClientIp",
      "WithCorrelationId",
      {
          "Name": "WithRequestHeader",
          "Args": { "headerName": "User-Agent"}
      }
    ],
    "WriteTo": [
      { "Name": "Console" }
    ]
  }
}

ClientIp

ClientIp enricher reads client IP from HttpContext.Connection.RemoteIpAddress. Since version 2.1, for security reasons, it no longer reads the x-forwarded-for header. To handle forwarded headers, configure ForwardedHeadersOptions. If you still want to log x-forwarded-for, you can use the RequestHeader enricher.

Log.Logger = new LoggerConfiguration()
    .Enrich.WithClientIp()
    ...

or

{
  "Serilog": {
    "MinimumLevel": "Debug",
    "Using":  [ "Serilog.Enrichers.ClientInfo" ],
    "Enrich": [
      {
        "Name": "WithClientIp"
      }
    ],
  }
}

CorrelationId

For CorrelationId enricher you can:

  • Configure the header name and default header name is x-correlation-id
  • Set value for correlation id when the header is not available in request header collection and the default value is false
Log.Logger = new LoggerConfiguration()
    .Enrich.WithCorrelationId(headerName: "correlation-id", addValueIfHeaderAbsence: true)
    ...

or

{
  "Serilog": {
    "MinimumLevel": "Debug",
    "Using":  [ "Serilog.Enrichers.ClientInfo" ],
    "Enrich": [
      {
        "Name": "WithCorrelationId",
        "Args": {
          "headerName": "correlation-id"
          "addValueIfHeaderAbsence": true
        }
      }
    ],
  }
}

RequestHeader

You can use multiple WithRequestHeader to log different request headers. WithRequestHeader accepts two parameters; The first parameter headerName is the header name to log and the second parameter is propertyName which is the log property name.

Log.Logger = new LoggerConfiguration()
    .Enrich.WithRequestHeader(headerName: "header-name-1")
    .Enrich.WithRequestHeader(headerName: "header-name-2", propertyName: "SomeHeaderName")
    ...

or

{
  "Serilog": {
    "MinimumLevel": "Debug",
    "Using":  [ "Serilog.Enrichers.ClientInfo" ],
    "Enrich": [
      {
        "Name": "WithRequestHeader",
        "Args": {
          "headerName": "User-Agent"
        }
      },
      {
        "Name": "WithRequestHeader",
        "Args": {
          "headerName": "Connection"
        }
      },
      {
        "Name": "WithRequestHeader",
        "Args": {
          "headerName": "Content-Length",
          "propertyName": "RequestLength"
        }
      }
    ],
  }
}
Note

To include logged headers in OutputTemplate, the header name without - should be used if you haven't set the log property name. For example, if the header name is User-Agent, you should use UserAgent.

Log.Logger = new LoggerConfiguration()
    .MinimumLevel.Debug()
    .Enrich.WithRequestHeader("User-Agent")
    .WriteTo.Console(outputTemplate: "[{Timestamp:HH:mm:ss}] {Level:u3} {UserAgent} {Message:lj}{NewLine}{Exception}")

Installing into an ASP.NET Core Web Application

You need to register the IHttpContextAccessor singleton so the enrichers have access to the requests HttpContext to extract client IP and client agent. This is what your Startup class should contain in order for this enricher to work as expected:

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Serilog;

namespace MyWebApp
{
    public class Startup
    {
        public Startup()
        {
            Log.Logger = new LoggerConfiguration()
                .MinimumLevel.Debug()
                .WriteTo.Console(outputTemplate: "[{Timestamp:HH:mm:ss}] {Level:u3} CLient IP: {ClientIp} Correlation Id: {CorrelationId} header-name: {headername} {Message:lj}{NewLine}{Exception}")
                .Enrich.WithClientIp()
                .Enrich.WithCorrelationId()
                .Enrich.WithRequestHeader("header-name")
                .Enrich.WithRequestHeader("another-header-name", "SomePropertyName")
                .CreateLogger();
        }

        // This method gets called by the runtime. Use this method to add services to the container.
        // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
        public void ConfigureServices(IServiceCollection services)
        {
            // ...
            services.AddHttpContextAccessor();
            // ...
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            // ...
            loggerFactory.AddSerilog();
            // ...
        }
    }
}
Product Compatible and additional computed target framework versions.
.NET net6.0 is compatible.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 is compatible.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

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serilog-contrib/serilog-enrichers-clientinfo
Enrich logs with client IP, correlation id and HTTP request headers.

Update documentation.