Steps to disable diffie-hellman-group1-sha1 algorithm in ssh

Solution Unverified - Updated -


  • Following vulnerabilities were detected by a scanner on a RHEL 7.6 server:
Deprecated SSH Cryptographic Settings


key exchange    diffie-hellman-group1-sha1


  • Red Hat Enterprise Linux 7.6

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In