16 lines
809 B
Bash
16 lines
809 B
Bash
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#!/bin/bash
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printf "[sshd]\nenabled = true\nbanaction = iptables-multiport" > /etc/fail2ban/jail.local
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systemctl enable fail2ban
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ufw allow OpenSSH
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ufw enable
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sed -i -e '/^PermitRootLogin/s/^.*$/PermitRootLogin no/' /etc/ssh/sshd_config
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sed -i -e '/^PasswordAuthentication/s/^.*$/PasswordAuthentication no/' /etc/ssh/sshd_config
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sed -i -e '/^X11Forwarding/s/^.*$/X11Forwarding no/' /etc/ssh/sshd_config
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sed -i -e '/^#MaxAuthTries/s/^.*$/MaxAuthTries 2/' /etc/ssh/sshd_config
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sed -i -e '/^#AllowTcpForwarding/s/^.*$/AllowTcpForwarding no/' /etc/ssh/sshd_config
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sed -i -e '/^#AllowAgentForwarding/s/^.*$/AllowAgentForwarding no/' /etc/ssh/sshd_config
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sed -i -e '/^#AuthorizedKeysFile/s/^.*$/AuthorizedKeysFile .ssh\/authorized_keys/' /etc/ssh/sshd_config
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sed -i '$a AllowUsers holu' /etc/ssh/sshd_config
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reboot
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