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Cisco Bug: CSCtc54115 - Non-Authenticated SMTP is not blocked when not using diamond brackets

Last Modified

Feb 22, 2014

Products (1)

  • Cisco SCE 2000 Series Service Control Engine

Known Affected Releases


Description (partial)


The SCA-BB application misclassifies Non-Authenticated SMTP traffic to regular SMTP.

Applies to all email clients and telnet on port 25.
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