What is the Carbon Copy connection process?

Article:HOWTO2733  |  Created: 2006-03-14  |  Updated: 2007-11-28  |  Article URL http://www.symantec.com/docs/HOWTO2733
Article Type
How To


Question
What is the Carbon Copy connection process?

Answer

Here is a high-level breakdown of the Carbon Copy connection process, which is true for Carbon Copy 6.0 and 6.1.

  1. When the Console user clicks on the Connect icon, the Client name is resolved (via Windows Networking\DNS) and the console sends a SYN packet to the CC client requesting a connection. (Essentially a TCP/IP connection requests to the CC client over TCP Port 1680.)
  2. The Carbon Copy Client receives the SYN packet and sends an ACK packet back to the Console. Once the Console receives this, the Console will then connect to the open TCP Port 1680 on the Carbon Copy Client.

    Note: The Carbon Copy client will open two TCP ports and 3 UDP ports. The Console will only connect to TCP 1680; the other ports are not used in the connection or data transmission sequence.
  3. Once the 1680 pipe is opened, the connections sequence continues with the license validation process.
  4. The License validation process involves the Carbon Copy Client requesting the return of the getlicensedetailsd.aspx page from the Altiris Agent. The Altiris Agent simply processes a URL, http://ns-machine-name/altiris/NS/Agent/GetLicenseDetails.aspx, to retrieve the page and return it to the Carbon Copy Client who then parses it and evaluates if License Count > License is in use. If so, then the connection proceeds to the next step, which is authentication.
  5. For AD Security, the Carbon Copy client will query Active Directory services for Domain controller validation of the user account to obtain detail for the account being used. For NT security, the domain controller is pinged for the existence of the user account, and credentials are checked locally.
  6. Once the authentication process is complete, a successful connection is established. All connection and data transmission is done over PORT 1680.

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Article URL http://www.symantec.com/docs/HOWTO2733


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