diff --git a/common/tools/dev-tool/src/util/testProxyUtils.ts b/common/tools/dev-tool/src/util/testProxyUtils.ts
index 191ee74494d6..6a8772e21ee7 100644
--- a/common/tools/dev-tool/src/util/testProxyUtils.ts
+++ b/common/tools/dev-tool/src/util/testProxyUtils.ts
@@ -81,17 +81,18 @@ async function makeRequest(uri: string, requestOptions: RequestOptions): Promise
 }
 
 async function getImageTag() {
-  // Grab the tag from the `/eng/common/testproxy/docker-start-proxy.ps1` file [..is used to run the proxy-tool in the CI]
+  // Grab the tag from the `/eng/common/testproxy/target_version.txt` file [..is used to control the default version]
+  // Example content:
   //
-  // $SELECTED_IMAGE_TAG = "1147815";
+  // 1.0.0-dev.20220224.2
   // (Bot regularly updates the tag in the file above.)
   try {
-    const contentInPWSHScript = await fs.readFile(
-      `${path.join(await resolveRoot(), "eng/common/testproxy/docker-start-proxy.ps1")}`,
+    const contentInVersionFile = await fs.readFile(
+      `${path.join(await resolveRoot(), "eng/common/testproxy/target_version.txt")}`,
       "utf-8"
     );
 
-    const tag = contentInPWSHScript.match(/\$SELECTED_IMAGE_TAG = "(.*)"/)?.[1];
+    const tag = contentInVersionFile.trim();
     if (tag === undefined) {
       throw new Error();
     }
diff --git a/eng/common/testproxy/docker-start-proxy.ps1 b/eng/common/testproxy/docker-start-proxy.ps1
index 1bef33483e0a..c15fc37a7e40 100644
--- a/eng/common/testproxy/docker-start-proxy.ps1
+++ b/eng/common/testproxy/docker-start-proxy.ps1
@@ -13,6 +13,9 @@ Pass value "start" or "stop" to start up or stop the test-proxy instance.
 .PARAMETER TargetFolder
 The folder in which context the test proxy will be started. Defaults to current working directory.
 
+.PARAMETER VersionOverride
+This script defaults the proxy version to the "common" version synced across all sdk repositories. If provided,
+this parameter's value will be used as the target tag when downloading the image from azsdk docker hosting.
 #>
 [CmdletBinding(SupportsShouldProcess = $true)]
 param(
@@ -20,7 +23,9 @@ param(
     [String]
     $Mode,
     [String]
-    $TargetFolder = ""
+    $TargetFolder = "",
+    [String]
+    $VersionOverride = ""
 )
 
 try {
@@ -31,11 +36,16 @@ catch {
     Write-Error "Please check your docker invocation and try running the script again."
 }
 
-$SELECTED_IMAGE_TAG = "1369319"
+$SELECTED_IMAGE_TAG = $(Get-Content "$PSScriptRoot/target_version.txt" -Raw).Trim()
 $CONTAINER_NAME = "ambitious_azsdk_test_proxy"
 $LINUX_IMAGE_SOURCE = "azsdkengsys.azurecr.io/engsys/testproxy-lin:${SELECTED_IMAGE_TAG}"
 $WINDOWS_IMAGE_SOURCE = "azsdkengsys.azurecr.io/engsys/testproxy-win:${SELECTED_IMAGE_TAG}"
 
+if($VersionOverride) { 
+    Write-Host "Overriding default target proxy version of '$SELECTED_IMAGE_TAG' with override $VersionOverride."
+    $SELECTED_IMAGE_TAG = $VersionOverride
+} 
+
 if (-not $TargetFolder){
     $TargetFolder = Join-Path -Path $PSScriptRoot -ChildPath "../../../"
 }
@@ -51,7 +61,7 @@ function Get-Proxy-Container(){
 
 $SelectedImage = $LINUX_IMAGE_SOURCE
 $Initial = ""
-$LinuxContainerArgs = "--add-host=host.docker.internal:host-gateway"
+$AdditionalContainerArgs = "--add-host=host.docker.internal:host-gateway"
 
 # most of the time, running this script on a windows machine will work just fine, as docker defaults to linux containers
 # however, in CI, windows images default to _windows_ containers. We cannot swap them. We can tell if we're in a CI build by
@@ -59,7 +69,13 @@ $LinuxContainerArgs = "--add-host=host.docker.internal:host-gateway"
 if ($IsWindows -and $env:TF_BUILD){
     $SelectedImage = $WINDOWS_IMAGE_SOURCE
     $Initial = "C:"
-    $LinuxContainerArgs = ""
+    $AdditionalContainerArgs = ""
+}
+
+# there isn't really a great way to get environment variables automagically from the CI environment to the docker image
+# handle loglevel here so that setting such a setting in CI will also bump the docker logging
+if ($env:Logging__LogLevel__Default) {
+    $AdditionalContainerArgs += "-e Logging__LogLevel__Default=$($env:Logging__LogLevel__Default)"
 }
 
 if ($Mode -eq "start"){
@@ -77,9 +93,9 @@ if ($Mode -eq "start"){
     else {
         $attempts = 0
         Write-Host "Attempting creation of Docker host $CONTAINER_NAME"
-        Write-Host "docker container create -v `"${root}:${Initial}/srv/testproxy`" $LinuxContainerArgs -p 5001:5001 -p 5000:5000 --name $CONTAINER_NAME $SelectedImage"
+        Write-Host "docker container create -v `"${root}:${Initial}/srv/testproxy`" $AdditionalContainerArgs -p 5001:5001 -p 5000:5000 --name $CONTAINER_NAME $SelectedImage"
         while($attempts -lt 3){
-            docker container create -v "${root}:${Initial}/srv/testproxy" $LinuxContainerArgs -p 5001:5001 -p 5000:5000 --name $CONTAINER_NAME $SelectedImage
+            docker container create -v "${root}:${Initial}/srv/testproxy" $AdditionalContainerArgs -p 5001:5001 -p 5000:5000 --name $CONTAINER_NAME $SelectedImage
 
             if($LASTEXITCODE -ne 0){
                 $attempts += 1
diff --git a/eng/common/testproxy/target_version.txt b/eng/common/testproxy/target_version.txt
new file mode 100644
index 000000000000..ac34389c6099
--- /dev/null
+++ b/eng/common/testproxy/target_version.txt
@@ -0,0 +1 @@
+1.0.0-dev.20220224.2
diff --git a/eng/common/testproxy/test-proxy-docker.yml b/eng/common/testproxy/test-proxy-docker.yml
index 8cde51a89819..df2548ab7766 100644
--- a/eng/common/testproxy/test-proxy-docker.yml
+++ b/eng/common/testproxy/test-proxy-docker.yml
@@ -1,5 +1,6 @@
 parameters:
-    rootFolder: '$(Build.SourcesDirectory)'
+  rootFolder: '$(Build.SourcesDirectory)'
+  targetVersion: ''
 
 steps:
   - pwsh: |
@@ -11,7 +12,7 @@ steps:
     displayName: 'Dump active docker information'
 
   - pwsh: |
-      $(Build.SourcesDirectory)/eng/common/testproxy/docker-start-proxy.ps1 -Mode start -TargetFolder "${{ parameters.rootFolder }}"
+      $(Build.SourcesDirectory)/eng/common/testproxy/docker-start-proxy.ps1 -Mode start -TargetFolder "${{ parameters.rootFolder }}" -VersionOverride="${{ parameters.targetVersion }}"
     displayName: 'Run the docker container'
 
   - pwsh: |
diff --git a/eng/common/testproxy/test-proxy-tool.yml b/eng/common/testproxy/test-proxy-tool.yml
index a1d5191eb01b..9006c0d7af76 100644
--- a/eng/common/testproxy/test-proxy-tool.yml
+++ b/eng/common/testproxy/test-proxy-tool.yml
@@ -1,6 +1,7 @@
 parameters:
   rootFolder: '$(Build.SourcesDirectory)'
   runProxy: true
+  targetVersion: ''
 
 steps:
   - pwsh: |
@@ -8,10 +9,18 @@ steps:
     displayName: 'Language Specific Certificate Trust'
 
   - pwsh: |
+      $version = $(Get-Content "$(Build.SourcesDirectory)/eng/common/testproxy/target_version.txt" -Raw).Trim()
+      $overrideVersion = "${{ parameters.targetVersion }}"
+      
+      if($overrideVersion) {
+        Write-Host "Overriding default target proxy version of '$version' with override $overrideVersion."
+        $version = $overrideVersion
+      }
+
       dotnet tool install azure.sdk.tools.testproxy `
         --tool-path $(Build.BinariesDirectory)/test-proxy `
         --add-source https://pkgs.dev.azure.com/azure-sdk/public/_packaging/azure-sdk-for-net/nuget/v3/index.json `
-        --version 1.0.0-dev.20220210.1
+        --version $version
     displayName: "Install test-proxy"
 
   - pwsh: |
diff --git a/sdk/test-utils/recorder/test/sanitizers.spec.ts b/sdk/test-utils/recorder/test/sanitizers.spec.ts
index f9524211daa6..0e02026783d0 100644
--- a/sdk/test-utils/recorder/test/sanitizers.spec.ts
+++ b/sdk/test-utils/recorder/test/sanitizers.spec.ts
@@ -75,6 +75,7 @@ import { getTestServerUrl, makeRequestAndVerifyResponse, setTestMode } from "./u
             path: `/sample_response/${currentValue}`,
             body: currentValue,
             method: "POST",
+            headers: [{ headerName: "Content-Type", value: "text/plain" }],
           },
           { val: "I am the answer!" }
         );