Guest

Preview Tool

Cisco Bug: CSCvt75859 - Add @STRENGTH keyword to cipher string default configuration

Last Modified

Sep 04, 2020

Products (1)

  • Cisco Email Security Appliance

Known Affected Releases

12.5.1-043 12.5.2-013 13.0.0-392 13.5.0-263

Description (partial)

Symptom:
TLS sessions with remote MTA peers are failing, and mail logs are logging this  "4.7.0 encryption too weak 128 less than 256)""

Conditions:
Any of the below AsyncOS upgrade paths used for Upgrade:

AsyncOS 11.x to AsyncOS 12.5.x  
AsyncOS 11.x to AsyncOS 13.0.x
AsyncOS 11.x to AsyncOS 13.5.x
AsyncOS 12.0 to AsyncOS 12.5.x
AsyncOS 12.0.x to AsyncOS 13.0.x
AsyncOS 12.0.x to AsyncOS 13.0.x
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.