server-scripts/scripts/usr/local/bin/script-user-unban

#!/usr/bin/env bash
# Unbans a fail2ban IP
# Copyright 2021-2025 Bryan C. Roessler
# Licensed under the Apache License, Version 2.0
p="${BASH_SOURCE[0]%/*}"; [[ -r $p/script-functions ]] && . "$p"/script-functions || exit 1

echo "Usage: sudo $0 [ip_address]"

is_root

if [[ $# -eq 1 ]]; then
    ip_address="$1"
else
    prompt ip_address
fi

if fail2ban-client set sshd unbanip "$ip_address"; then
  echo "IP address $ip_address unbanned"
fi

exit $?