diff --git a/Wabbajack.Server/ApiKeyAuthorizationHandler.cs b/Wabbajack.Server/ApiKeyAuthorizationHandler.cs
index ad4835fb..de142d06 100644
--- a/Wabbajack.Server/ApiKeyAuthorizationHandler.cs
+++ b/Wabbajack.Server/ApiKeyAuthorizationHandler.cs
@@ -9,7 +9,10 @@ using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using Wabbajack.DTOs.JsonConverters;
+using Wabbajack.Paths;
+using Wabbajack.Paths.IO;
 using Wabbajack.Server.DataModels;
+using Wabbajack.Server.DTOs;
 
 namespace Wabbajack.BuildServer;
 
@@ -27,6 +30,9 @@ public class ApiKeyAuthenticationHandler : AuthenticationHandler<ApiKeyAuthentic
     private readonly DTOSerializer _dtos;
     private readonly AppSettings _settings;
     private readonly AuthorKeys _authorKeys;
+    private readonly Task<HashSet<string>> _tarKeys;
+    private readonly Metrics _metricsStore;
+    private readonly TarLog _tarLog;
 
     public ApiKeyAuthenticationHandler(
         IOptionsMonitor<ApiKeyAuthenticationOptions> options,
@@ -35,8 +41,13 @@ public class ApiKeyAuthenticationHandler : AuthenticationHandler<ApiKeyAuthentic
         UrlEncoder encoder,
         ISystemClock clock,
         DTOSerializer dtos,
+        Metrics metricsStore,
+        TarLog tarlog,
         AppSettings settings) : base(options, logger, encoder, clock)
     {
+
+        _tarLog = tarlog;
+        _metricsStore = metricsStore;
         _dtos = dtos;
         _authorKeys = authorKeys;
         _settings = settings;
@@ -49,20 +60,18 @@ public class ApiKeyAuthenticationHandler : AuthenticationHandler<ApiKeyAuthentic
         //await LogRequest(metricsKey);
         if (metricsKey != default)
         {
-            /*
-            if (await _sql.IsTarKey(metricsKey))
+            if (await _tarLog.Contains(metricsKey))
             {
-                await _sql.IngestMetric(new Metric
+                await _metricsStore.Ingest(new Metric()
                 {
-                    Action = "TarKey",
-                    Subject = "Auth",
+                    Subject = metricsKey,
+                    Action = "tarlog",
                     MetricsKey = metricsKey,
-                    Timestamp = DateTime.UtcNow
+                    UserAgent = Request.Headers.UserAgent
                 });
                 await Task.Delay(TimeSpan.FromSeconds(60));
-                throw new Exception("Error, lipsum timeout of the cross distant cloud.");
+                return AuthenticateResult.Fail("Error, lipsum timeout of the cross distant cloud.");
             }
-            */
         }
 
         var authorKey = Request.Headers[ApiKeyHeaderName].FirstOrDefault();
diff --git a/Wabbajack.Server/AppSettings.cs b/Wabbajack.Server/AppSettings.cs
index 1bf1fd63..c16e8e2c 100644
--- a/Wabbajack.Server/AppSettings.cs
+++ b/Wabbajack.Server/AppSettings.cs
@@ -11,6 +11,8 @@ public class AppSettings
     }
     public bool TestMode { get; set; }
     public string AuthorAPIKeyFile { get; set; }
+    
+    public string TarKeyFile { get; set; }
     public string WabbajackBuildServerUri { get; set; } = "https://build.wabbajack.org/";
     public string MetricsKeyHeader { get; set; } = "x-metrics-key";
     public string TempFolder { get; set; }
diff --git a/Wabbajack.Server/Controllers/Metrics.cs b/Wabbajack.Server/Controllers/Metrics.cs
index cf4ab04d..741f95b6 100644
--- a/Wabbajack.Server/Controllers/Metrics.cs
+++ b/Wabbajack.Server/Controllers/Metrics.cs
@@ -90,7 +90,7 @@ public class MetricsController : ControllerBase
     
     [HttpGet]
     [Route("dump")]
-    public async Task GetMetrics([FromQuery] string action, [FromQuery] string from, [FromQuery] string? to)
+    public async Task GetMetrics([FromQuery] string action, [FromQuery] string from, [FromQuery] string? to, [FromQuery] string? subject)
     {
         var parser = new Parser();
         
@@ -100,15 +100,18 @@ public class MetricsController : ControllerBase
         var fromDate = parser.Parse(from).Start;
 
         var records = _metricsStore.GetRecords(fromDate!.Value, toDate!.Value, action);
+
         Response.Headers.ContentType = "application/json";
         await foreach (var record in records)
         {
+            if (!string.IsNullOrWhiteSpace(subject) && !record.Subject.Contains(subject))
+                continue;
             
             await JsonSerializer.SerializeAsync(Response.Body, record);
             await Response.Body.WriteAsync(EOL);
         }
     }
-    
+
     [HttpGet]
     [Route("report")]
     [ResponseCache(Duration = 60 * 60 * 4, VaryByQueryKeys = new [] {"action", "from", "to"})]
diff --git a/Wabbajack.Server/DataModels/TarLog.cs b/Wabbajack.Server/DataModels/TarLog.cs
new file mode 100644
index 00000000..7bc3b4b5
--- /dev/null
+++ b/Wabbajack.Server/DataModels/TarLog.cs
@@ -0,0 +1,39 @@
+using Wabbajack.BuildServer;
+using Wabbajack.Paths;
+using Wabbajack.Paths.IO;
+
+namespace Wabbajack.Server.DataModels;
+
+public class TarLog
+{
+    private Task<HashSet<string>> _tarKeys;
+    private readonly AppSettings _settings;
+
+    public TarLog(AppSettings settings)
+    {
+        _settings = settings;
+        Load();
+    }
+
+    private void Load()
+    {
+        if (_settings.TarKeyFile.ToAbsolutePath().FileExists())
+        {
+            _tarKeys = Task.Run(async () => await _settings.TarKeyFile.ToAbsolutePath()
+                .ReadAllLinesAsync()
+                .Select(line => line.Trim())
+                .ToHashSetAsync());
+        }
+        else
+        {
+            _tarKeys = Task.Run(async () => new HashSet<string>());
+        }
+    }
+
+    public async Task<bool> Contains(string metricsKey)
+    {
+        return (await _tarKeys).Contains(metricsKey);
+    }
+    
+    
+}
\ No newline at end of file