kex_exchange_identification: Connection closed by remote host

[Ubuntu 20.4 , linode , vhost] 

 

home@ ~ % ssh root@

kex_exchange_identification: Connection closed by remote host

 

 

 

1. 

 

# sudo vi /etc/hosts.allow

 

ALL:[IP ADDRESS]:allow

 

 

 

2.

 

# sudo vi /etc/ssh/sshd_config

 

PermitRootLogin yes

3.

# service sshd restart