Thursday 24 February 2022

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.

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