SSH CBC Mode Ciphers Vulnerability on API Gateway Appliance port 22

Document ID : KB000010507
Last Modified Date : 14/02/2018
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Introduction:

How to secure gateway against SSH CBC Mode Ciphers Vulnerability on port 22

Instructions:

1. Navigate to /etc/ssh/sshd_config

2. You should be able to find the below line, edit it with appropriate Ciphers and restart sshd service.

Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc,aes192-cbc,aes256-cbc