Error: User add failed. Cannot add user on this node: FAILED: to establish SSH session
Error: User add failed. Cannot add user on this node: FAILED: to establish SSH session
- Make sure iptables / firewall is not blocking ssh traffic
Add the following to allow localhost in iptables / firewall
root@gateway :~# iptables -A INPUT -p tcp -s localhost -j ACCEPT
root@gateway :~#
csf -a 127.0.0.1
Check if you are able to ssh " ssh root@localhost " / " ssh [email protected] " (Specify the ssh port with -p variable if you are using a custom SSH port)
- Make sure SSHD is not blocked in /etc/hosts.allow or /etc/hosts.deny
Add the following to allow localhost in /etc/hosts.allow or /etc/hosts.deny
sshd : localhost : allow
- If you are using custom sshd port in your gateway, then make sure its updated under Settings->Miscellaneous->SSH Gateway Port is set to the current SSHD listening port on the ssh gateway server.
Check your ssh port with the following command
[root@gateway ~]# cat /etc/ssh/sshd_config | grep Port
# Port 22
#Gateway Ports no
If you are using custom ssh port ,make sure its updated under Settings->Miscellaneous->SSH Gateway Port

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