How to Resolve Slow SSH Login Before Getting Password Prompt on CentOS 8

Sometime SSH login failures encountered with gssapi-with-mic authentication method and hence takes time to get password prompt.

This article describes How to Resolve Slow SSH Login Before Getting Password Prompt on CentOS 8.

[root@linuxcnf ~]# cat /etc/redhat-release CentOS Linux release 8.5.2111 [root@linuxcnf ~]#

Step 1. Change in SSH Configuration: Run the following command to open ssh configuration file. Once file is opened search the GSSAPIAuthentication yes and change it to GSSAPIAuthentication no as shown in below screen:

 

[root@linuxcnf ~]# vi /etc/ssh/sshd_config ……………………. GSSAPIAuthentication no …………………… root@linuxcnf ~]#

Step2. Restart SSH Service: Run the below to restart SSH service to reflect the changes:

[root@linuxcnf ~]# systemctl restart sshd [root@linuxcnf ~]#

Done! Now the try to login again and hoping slow ssh login issue resolved.