How to Disable SHA1 and Enable SHA2 for App Connector VM

Modified on Fri, 01 Dec 2023 at 04:00 PM


  • Product Details
  • Issue/ Problem
  • Impact
  • Solution
  • Best Practice
  • Summary

Product : Zscaler Private Access (ZPA) App Connector

Component : Zscaler Client App

Version : 2.8.17  Build No. : 152.2

Issue/ Problem :

Customer request to Disable SHA1 and Enable SHA2 for App Connector VM after done Vulnerability Scanning

Impact :

No Impact but Increase Security as using SHA2

Solution : 

Step 1:

Go to below directory and uncomment the below line

Vi /etc/sysconfig/sshd



Step 2:

Go to the below directories and append the below lines at the end of file

vi /etc/ssh/sshd_config




Step 3:

systemctl restart sshd

sudo ssh -Q key

sudo SSH -t

Summary : 

 The method is only applied if customer request to rectify the SHA1 Ciphers after Vulnerability Scanning

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