Skip to content

Add possibility to get config variable values from params in chce_fail2ban.sh #230

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
loper merged 3 commits into from
Feb 25, 2026
Merged

Add possibility to get config variable values from params in chce_fail2ban.sh #230

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
7ebbd03
Add possibility to get config variable values from params
Feb 24, 2026
fc33ba2
Dodanie informacji o edycji
Feb 24, 2026
5e0f70a
Add ssh param validation
Feb 25, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
37 changes: 32 additions & 5 deletions scripts/chce_fail2ban.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,22 +1,47 @@
#!/bin/bash
# fail2ban
# Autor: Bartlomiej Szyszko
# Edycja: ThomasMaven

# Sprawdz uprawnienia przed wykonaniem skryptu instalacyjnego
if [[ $EUID -ne 0 ]]; then
echo -e "W celu instalacji tego pakietu potrzebujesz wyzszych uprawnien! Uzyj polecenia \033[1;31msudo ./chce_fail2ban.sh\033[0m lub zaloguj sie na konto roota i wywolaj skrypt ponownie."
exit 1
fi

# Zmienne konfiguracyjne
# Domyslne zmienne konfiguracyjne
BAN_TIME=30m
FIND_TIME=3m
MAXRETRY=5
SSH_PORT=

if [[ $SSH_PORT == "" ]]; then
echo -e "Otworz skrypt i ustaw swoj port ssh ktorego uzywasz do polaczenia z mikrusem"
exit
usage() {
echo "Uzycie: sudo $0 -p SSH_PORT [-b BAN_TIME] [-f FIND_TIME] [-m MAXRETRY]"
echo ""
echo " -p PORT Port SSH (wymagany)"
echo " -b TIME Czas bana (domyslnie: 30m)"
echo " -f TIME Czas okna monitorowania (domyslnie: 3m)"
echo " -m NUM Maksymalna liczba prob (domyslnie: 5)"
echo ""
echo "Przyklad: sudo $0 -p 2222 -b 1h -f 5m -m 3"
exit 1
}

while getopts "p:b:f:m:h" opt; do
case $opt in
p) SSH_PORT="$OPTARG" ;;
b) BAN_TIME="$OPTARG" ;;
f) FIND_TIME="$OPTARG" ;;
m) MAXRETRY="$OPTARG" ;;
h) usage ;;
*) usage ;;
esac
done

if [[ -z "$SSH_PORT" ]]; then
echo -e "\033[1;31mBlad:\033[0m Nie podano portu SSH. Uzyj flagi -p PORT."
echo ""
usage
fi

apt update
Expand All @@ -25,7 +50,7 @@ apt install -y fail2ban
# Zatrzymaj usluge fail2ban
systemctl stop fail2ban

# Lokalny plik z konfiguracyjny
# Lokalny plik konfiguracyjny
config=$(cat <<EOF
[DEFAULT]
ignoreip = 127.0.0.1
Expand All @@ -45,3 +70,5 @@ echo "$config" >> /etc/fail2ban/jail.local

# Uruchomienie uslugi
systemctl enable --now fail2ban

echo -e "\033[1;32mFail2ban zainstalowany i uruchomiony!\033[0m"
Loading