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Server security DenyHosts prevents SSH brute force cracking

wget http://soft.vpser.net/security/denyhosts/DenyHosts-2.6.tar.gz

tar zxvf DenyHosts-2.6.tar.gz

cd DenyHosts-2.6

echo "" > /var/log/secure && service rsyslog restart

python setup.py install

cd /usr/share/denyhosts/

cp denyhosts.cfg-dist denyhosts.cfg

cp daemon-control-dist daemon-control

chown root daemon-control

chmod 700 daemon-control

./daemon-control start

echo "/usr/share/denyhosts/daemon-control start" >> /etc/rc.local

echo "222.214.54.69" >> /usr/share/denyhosts/allowed-hosts

DenyHosts：/etc/init.d/denyhosts

System Requirements CentOS 6+ / Debian 6+ / Ubuntu 14.04 + Recommend Debian 8 x64, this is...

First make sure your system has openssl installed openssl -V # Under normal...

To be safe, we first add an SSH port and add the corresponding firewall rules, and then try to...

ssh-keygen -t rsa #-t means encryption method #The save path and short password confirmation will...