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Certificate Management Protocol (CMP)

CMP is a protocol for managing Public Key Infrastrictures (PKI) based on X.509v3 certificates. Protocol messages are defined for certificate creation and management. It is used by commercial PKI products as Entrust Security Manager and Unicert

History

TODO:

Protocol dependencies

  • ["TCP"]: CMP can use ["TCP"] or ["HTTP"] as its transport protocol. The well known TCP port for CMP traffic is 829.

Example traffic

TODO: Add example traffic here (as plain text or Ethereal screenshot).

Ethereal

TODO:

Preference Settings

TODO:.

Example capture file

  • attachment:SampleCaptures/cmp-trace.pcap.gz CMP certificate requests

Display Filter

A complete list of CMP display filter fields can be found in the [http://www.ethereal.com/docs/dfref/c/cmp.html display filter reference]

  • Show only the CMP based traffic:

     cmp 

Capture Filter

You cannot directly filter CMP protocol while capturing. However, if you know the ["TCP"] port used (see above), you can filter on that one.

  • Capture only the CMP traffic over the default port (829):

     tcp port 829 

Discussion

CMP (last edited 2013-02-16 10:47:51 by LTejas)