IBM Support

QRadar: SSH fails with error "no matching cipher found"

Troubleshooting


Problem

The SSH connection does not have a matching cipher to use and denies communication between the hosts with the error "no matching cipher found."

Symptom

The System and License Management tabs show a managed host with status UNKNOWN.
The following image illustrates a managed host with status Unknown in system and license management tab:
Host with status unknown.

Document Location

Worldwide

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Document Information

Modified date:
31 May 2023

UID

ibm11033252