security - Fail2ban on ubuntu igonres maxretry settings -

i have installed fail2ban on ubuntu server protect ssh hack attempts. working expected except maxtetry set 3 times though banned ip after 1st failed attempt. below jail settings inside /etc/fail2ban/jail.local , when check auth.log see 1 attemp

[ssh]  enabled  = true port     = ssh filter   = sshd logpath  = /var/log/auth.log maxretry = 3 

check fail2ban logs in :

/var/log/fail2ban.log

also, if change fail2ban config (jail.local) service restart :

sudo /etc/init.d/fail2ban restart