Merge pull request #118 from xeefei/3x-ui

fix: fail2ban on Debian 12 #1701
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心隨緣動 2025-08-15 23:43:52 +08:00 committed by GitHub
commit 64451c0bde
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2 changed files with 120 additions and 89 deletions

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@ -161,7 +161,7 @@ install_base() {
zypper refresh && zypper -q install -y wget curl tar timezone
;;
*)
apt-get update && apt install -y -q wget curl tar tzdata
apt-get update && apt-get install -y -q wget curl tar tzdata
;;
esac
}

207
x-ui.sh
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@ -475,18 +475,6 @@ show_log() {
fi
}
show_banlog() {
if test -f "${iplimit_banned_log_path}"; then
if [[ -s "${iplimit_banned_log_path}" ]]; then
cat ${iplimit_banned_log_path}
else
echo -e "${red}日志文件为空${plain}\n"
fi
else
echo -e "${red}未找到日志文件。 请先安装 Fail2ban 和 IP Limit${plain}\n"
fi
}
bbr_menu() {
echo -e "${green}\t1.${plain} 启用 BBR"
echo -e "${green}\t2.${plain} 禁用 BBR"
@ -1319,78 +1307,6 @@ run_speedtest() {
speedtest
}
create_iplimit_jails() {
# Use default bantime if not passed => 15 minutes
local bantime="${1:-15}"
# Uncomment 'allowipv6 = auto' in fail2ban.conf
sed -i 's/#allowipv6 = auto/allowipv6 = auto/g' /etc/fail2ban/fail2ban.conf
#On Debian 12+ fail2ban's default backend should be changed to systemd
if [[ "${release}" == "debian" && ${os_version} -ge 12 ]]; then
sed -i '0,/action =/s/backend = auto/backend = systemd/' /etc/fail2ban/jail.conf
fi
cat << EOF > /etc/fail2ban/jail.d/3x-ipl.conf
[3x-ipl]
enabled=true
backend=auto
filter=3x-ipl
action=3x-ipl
logpath=${iplimit_log_path}
maxretry=2
findtime=32
bantime=${bantime}m
EOF
cat << EOF > /etc/fail2ban/filter.d/3x-ipl.conf
[Definition]
datepattern = ^%%Y/%%m/%%d %%H:%%M:%%S
failregex = \[LIMIT_IP\]\s*Email\s*=\s*<F-USER>.+</F-USER>\s*\|\|\s*SRC\s*=\s*<ADDR>
ignoreregex =
EOF
cat << EOF > /etc/fail2ban/action.d/3x-ipl.conf
[INCLUDES]
before = iptables-allports.conf
[Definition]
actionstart = <iptables> -N f2b-<name>
<iptables> -A f2b-<name> -j <returntype>
<iptables> -I <chain> -p <protocol> -j f2b-<name>
actionstop = <iptables> -D <chain> -p <protocol> -j f2b-<name>
<actionflush>
<iptables> -X f2b-<name>
actioncheck = <iptables> -n -L <chain> | grep -q 'f2b-<name>[ \t]'
actionban = <iptables> -I f2b-<name> 1 -s <ip> -j <blocktype>
echo "\$(date +"%%Y/%%m/%%d %%H:%%M:%%S") BAN [Email] = <F-USER> [IP] = <ip> banned for <bantime> seconds." >> ${iplimit_banned_log_path}
actionunban = <iptables> -D f2b-<name> -s <ip> -j <blocktype>
echo "\$(date +"%%Y/%%m/%%d %%H:%%M:%%S") UNBAN [Email] = <F-USER> [IP] = <ip> unbanned." >> ${iplimit_banned_log_path}
[Init]
EOF
echo -e "${green}使用 ${bantime} 分钟的禁止时间以创建的 IP Limit 限制文件。${plain}"
}
iplimit_remove_conflicts() {
local jail_files=(
/etc/fail2ban/jail.conf
/etc/fail2ban/jail.local
)
for file in "${jail_files[@]}"; do
# Check for [3x-ipl] config in jail file then remove it
if test -f "${file}" && grep -qw '3x-ipl' ${file}; then
sed -i "/\[3x-ipl\]/,/^$/d" ${file}
echo -e "${yellow}消除系统环境中 [3x-ipl] 的冲突 (${file})!${plain}\n"
fi
done
}
iplimit_main() {
echo -e "\n${green}\t1.${plain} 安装 Fail2ban 并配置 IP 限制"
@ -1459,14 +1375,22 @@ install_iplimit() {
# Check the OS and install necessary packages
case "${release}" in
ubuntu)
apt-get update
if [[ "${os_version}" -ge 24 ]]; then
apt update && apt install python3-pip -y
apt-get install python3-pip -y
python3 -m pip install pyasynchat --break-system-packages
fi
apt update && apt install fail2ban -y
apt-get install fail2ban -y
;;
debian | armbian)
apt update && apt install fail2ban -y
debian)
apt-get update
if [ "$os_version" -ge 12 ]; then
apt-get install -y python3-systemd
fi
apt-get install -y fail2ban
;;
armbian)
apt-get update && apt-get install fail2ban -y
;;
centos | almalinux | rocky | oracle)
yum update -y && yum install epel-release -y
@ -1579,6 +1503,113 @@ remove_iplimit() {
esac
}
show_banlog() {
local system_log="/var/log/fail2ban.log"
echo -e "${green}正在检查禁止日志...${plain}\n"
if ! systemctl is-active --quiet fail2ban; then
echo -e "${red}Fail2ban 服务未运行!${plain}\n"
return 1
fi
if [[ -f "$system_log" ]]; then
echo -e "${green}来自 fail2ban.log 的最近系统禁止活动:${plain}"
grep "3x-ipl" "$system_log" | grep -E "Ban|Unban" | tail -n 10 || echo -e "${yellow}未发现近期系统禁止活动${plain}"
echo ""
fi
if [[ -f "${iplimit_banned_log_path}" ]]; then
echo -e "${green}3X-IPL禁止日志文件条目:${plain}"
if [[ -s "${iplimit_banned_log_path}" ]]; then
grep -v "INIT" "${iplimit_banned_log_path}" | tail -n 10 || echo -e "${yellow}未找到禁止条目${plain}"
else
echo -e "${yellow}禁止日志文件为空${plain}"
fi
else
echo -e "${red}未找到禁止日志文件: ${iplimit_banned_log_path}${plain}"
fi
echo -e "\n${green}目前的限制情况:${plain}"
fail2ban-client status 3x-ipl || echo -e "${yellow}无法获取限制状态${plain}"
}
create_iplimit_jails() {
# Use default bantime if not passed => 30 minutes
local bantime="${1:-30}"
# Uncomment 'allowipv6 = auto' in fail2ban.conf
sed -i 's/#allowipv6 = auto/allowipv6 = auto/g' /etc/fail2ban/fail2ban.conf
# On Debian 12+ fail2ban's default backend should be changed to systemd
if [[ "${release}" == "debian" && ${os_version} -ge 12 ]]; then
sed -i '0,/action =/s/backend = auto/backend = systemd/' /etc/fail2ban/jail.conf
fi
cat << EOF > /etc/fail2ban/jail.d/3x-ipl.conf
[3x-ipl]
enabled=true
backend=auto
filter=3x-ipl
action=3x-ipl
logpath=${iplimit_log_path}
maxretry=2
findtime=32
bantime=${bantime}m
EOF
cat << EOF > /etc/fail2ban/filter.d/3x-ipl.conf
[Definition]
datepattern = ^%%Y/%%m/%%d %%H:%%M:%%S
failregex = \[LIMIT_IP\]\s*Email\s*=\s*<F-USER>.+</F-USER>\s*\|\|\s*SRC\s*=\s*<ADDR>
ignoreregex =
EOF
cat << EOF > /etc/fail2ban/action.d/3x-ipl.conf
[INCLUDES]
before = iptables-allports.conf
[Definition]
actionstart = <iptables> -N f2b-<name>
<iptables> -A f2b-<name> -j <returntype>
<iptables> -I <chain> -p <protocol> -j f2b-<name>
actionstop = <iptables> -D <chain> -p <protocol> -j f2b-<name>
<actionflush>
<iptables> -X f2b-<name>
actioncheck = <iptables> -n -L <chain> | grep -q 'f2b-<name>[ \t]'
actionban = <iptables> -I f2b-<name> 1 -s <ip> -j <blocktype>
echo "\$(date +"%%Y/%%m/%%d %%H:%%M:%%S") BAN [Email] = <F-USER> [IP] = <ip> banned for <bantime> seconds." >> ${iplimit_banned_log_path}
actionunban = <iptables> -D f2b-<name> -s <ip> -j <blocktype>
echo "\$(date +"%%Y/%%m/%%d %%H:%%M:%%S") UNBAN [Email] = <F-USER> [IP] = <ip> unbanned." >> ${iplimit_banned_log_path}
[Init]
name = default
protocol = tcp
chain = INPUT
EOF
echo -e "${green}创建的 IP Limit 限制文件禁止时间为 ${bantime} 分钟。${plain}"
}
iplimit_remove_conflicts() {
local jail_files=(
/etc/fail2ban/jail.conf
/etc/fail2ban/jail.local
)
for file in "${jail_files[@]}"; do
# Check for [3x-ipl] config in jail file then remove it
if test -f "${file}" && grep -qw '3x-ipl' ${file}; then
sed -i "/\[3x-ipl\]/,/^$/d" ${file}
echo -e "${yellow}消除系统环境中 [3x-ipl] 的冲突 (${file})!${plain}\n"
fi
done
}
show_usage() {
echo -e " ---------------------"
echo -e " |${green}3X-UI 控制菜单用法 ${plain}|${plain}"