IBM Support

QRadar: SSH connections to QRadar using PuTTY may fail with a fatal error after upgrading to 7.2mr3

Troubleshooting


Problem

You may find that you receive a fatal error when attempting a SSH connection to QRadar using PuTTY after upgrading to QRadar 7.2mr3.

Symptom

After the upgrade, the following PuTTY exception may be received:

PuTTY Fatal Error:
Couldn't agree a client-to-server cipher (available: aes128-ctr,aes192-ctr,aes-256-ctr,arcfour256,arcfour128,arcfour)

[{"Product":{"code":"SSBQAC","label":"IBM Security QRadar SIEM"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Integrations - 3rd Party","Platform":[{"code":"PF016","label":"Linux"}],"Version":"7.2","Edition":"All Editions","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
16 June 2018

UID

swg21687060