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Cisco Bug: CSCur51918 - ASA ENH - suppress/change the SSH identification string exchange

Last Modified

Nov 10, 2016

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases

9.0(4.230)

Description (partial)

Symptom:
"SSH-protoversion-softwareversion SP comments CR LF" is exposed giving indication to eventual security scans visibility that the SSH session is opened to a Cisco device.

Conditions:
when SSH protocol is used
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