gistfile1.txt

# Make sure you have a valid Kerberos ticket using kinit or equivalent
$uri = "https://your-service.example.com"

# Get the Kerberos authentication token using the System.Net.HttpListenerContext
$kerberosToken = [System.Net.CredentialCache]::DefaultNetworkCredentials

# Make the web request with the Authorization header set to the Kerberos token
$response = Invoke-WebRequest -Uri $uri -Headers @{
    "Authorization" = "Negotiate $($kerberosToken.GetCredential($uri, 'Negotiate').Password)"
}

# Output response
$response.Content