denyhost

# see which hosts you are currently denying

tcpdchk -v

sudo /etc/init.d/ssh stop

# list of blocked addresses

sudo gedit /etc/hosts.deny

# then remove the desired IP

# start SSH

sudo /etc/init.d/ssh stop

# verify that you can access the computer as desired

ubuntu:

cd /var/lib/denyhosts

# restart denyhosts

sudo /etc/init.d/denyhosts restart --purge

# edit the denyhosts configuration

sudo gedit /etc/denyhosts.conf

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