Hi, I am running the below servers on Red Hat Enterprise Linux release 8.7 (Ootpa). The details are as follows. # rpm -qa | grep openssh openssh-8.0p1-16.el8.x86_64 openssh-askpass-8.0p1-16.el8.x86_64 openssh-server-8.0p1-16.el8.x86_64 openssh-clients-8.0p1-16.el8.x86_64 # cat /etc/redhat-release Red Hat Enterprise Linux release 8.7 (Ootpa) # How do I enable strong KexAlgorithms, Ciphers and MACs in /etc/ssh/sshd_config file as per the above ssh server version. For example as per below setting. KexAlgorithms ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellman-group-exchange-sha256 Ciphers chacha20-poly1305@xxxxxxxxxxx,aes256-gcm@xxxxxxxxxxx, aes128-gcm@xxxxxxxxxxx,aes256-ctr,aes192-ctr,aes128-ctr MACs hmac-sha2-512-etm@xxxxxxxxxxx,hmac-sha2-256-etm@xxxxxxxxxxx, umac-128-etm@xxxxxxxxxxx,hmac-sha2-512,hmac-sha2-256,umac-128@xxxxxxxxxxx Please guide me. Thanks in advance. Best Regards, Kaushal _______________________________________________ openssh-unix-dev mailing list openssh-unix-dev@xxxxxxxxxxx https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev