title: Chilkat: Proxy-Authentication getting logged
body: <p>We are using Chilkat.Http for downloading files, when a failure is observed Http.LastErrorText is containing Proxy-Authentication which has username and password in BASE64 encoded format. Is there a way to disable or mask this detail? This is a security policy voilation.
  Chilkat version -&gt; 9.5.0.78
  Please find the logs below:</p>
  <pre><code>ChilkatLog:
  
  Download:
  
  DllDate: May 6 2019
  
  ChilkatVersion: 9.5.0.78
  
  UnlockPrefix: xyz
  Architecture: Little Endian; 64-bit
  
  Language: .NET 4.6 / x64 / VS2017
  
  VerboseLogging: 0
  
  Component successfully unlocked using purchased unlock code.
  
  url: https://example.com?date=20200604
  
  toLocalPath: C:\Program Files\xxxxxxxx\xxxxxxx\1\2\2020-06-04\Archive_Temp.zip
  
  currentWorkingDir: c:\windows\system32\inetsrv
  
  a_httpDownload:
  
   httpDownloadFile:
  localFilePath: C:\Program Files\xxxxxxxxx\xxxxxxxxxx\1\2\2020-06-04\Archive_Temp.zip
  
    localFileAlreadyExists: 0
  
    quickHttpRequest:
  
     httpVerb: GET
  
     url: https://example.com?date=20200604
  
     openHttpConnection:
  
      Opening connection through an HTTP proxy.
  
      proxyDomain: example.org
  
      proxyPort: 8000
  
      httpHostname: example.com
  
      httpPort: 443
  
      tls: True
  
      socket2Connect:
  
       httpProxyConnect:
  
        ssl: True
  
        proxyHostname: example.org
  
        proxyPort: 8000
  
        No proxy authentication method specified.
  
        proxyUsername: xyz_Services
  
        connectRequest: CONNECT example.com:443 HTTP/1.1
  
  Connection: Keep-Alive
  
  Proxy-Connection: Keep-Alive
  
  Host: example.com
  
        connectResponseHeader: HTTP/1.1 407 Proxy Authentication Required
  
  Proxy-Authenticate: BASIC XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
  
  Cache-Control: no-cache
  
  Pragma: no-cache
  
  Content-Type: text/html; charset=utf-8
  
  Proxy-Connection: close
  
  Connection: close
  
  Content-Length: 1115
  
        firstLine: HTTP/1.1 407 Proxy Authentication Required
  
        Proxy authentication is required.
  
        proxyResponseHeader: HTTP/1.1 407 Proxy Authentication Required
  
  Proxy-Authenticate: BASIC XXXXXXXXXXXXXXXXXXXXXXXXXXXX
  Cache-Control: no-cache
  
  Pragma: no-cache
  
  Content-Type: text/html; charset=utf-8
  
  Proxy-Connection: close
  
  Connection: close
  
  Content-Length: 1115
  
        The server supports the Basic proxy authentication method.
  
        Re-sending with Basic Authorization header...
  
        connectRequest: CONNECT example.com:443 HTTP/1.1
  
  Connection: Keep-Alive
  
  Proxy-Connection: Keep-Alive
  
  Proxy-Authorization: Basic XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
  
  Host: example.com
  
        connectResponseHeader: HTTP/1.1 200 Connection established
  
        firstLine: HTTP/1.1 200 Connection established
  
        HTTP proxy connect success
  
       --httpProxyConnect
  
      --socket2Connect
  
      HTTPS secure channel established.
  
     --openHttpConnection
  
     buildQuickRequest:
  
      genStartLine:
  
       startLine: GET xyz/?date=20200604 HTTP/1.1
  
      --genStartLine
  
      addCookies:
  
       Not auto-adding cookies.
  
       sendCookies: 1
  
       cookieDir: 
  
      --addCookies
  
     --buildQuickRequest
  
     sendRequestHeader:
  
      sendHeaderElapsedMs: 0
  
     --sendRequestHeader
  
     statusCode: 503
  
     statusText: 
  
    --quickHttpRequest
  
    errResponseBodySize: 18
  
    errResponseBody: File not present.
  
  
  
   --httpDownloadFile
  
  --a_httpDownload
  
  totalElapsedMs: 500
  
  ContentLength: 0
  
  Failed.
  
  --Download
  
  --ChilkatLog
  </code></pre>