ssh_exchange_identification: read: Connection reset by peer for Centos 7

gistfile1.txt

service sshd stop
sudo vi /etc/hosts.allow
#add text in file
sshd: ALL
#your need remove directory empty 
rm -rf /var/empty 
# so create directory empty again and create directory sshd into dir empty
mkdir /var/empty/sshd
# start again sshd
service sshd start