23 lines
567 B
Bash
23 lines
567 B
Bash
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#!/bin/bash
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if [ "$#" -ne 1 ]; then
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echo "Usage: sudo bash $0 <port>"
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exit 1
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fi
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port=$1
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# Check if the port is a number
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if ! [[ "$port" =~ ^[0-9]+$ ]]; then
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echo "Error: Port must be a number."
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exit 1
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fi
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# Create a new sshd_config file with 99- prefix in /etc/ssh/sshd_config.d/ directory
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echo -e "Port $port\nPasswordAuthentication no" | sudo tee /etc/ssh/sshd_config.d/99-custom_ssh_port.conf > /dev/null
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# Restart SSH service to apply changes
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sudo systemctl restart sshd
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echo "SSH port changed to $port and password authentication disabled."
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