446 lines
16 KiB
Bash
446 lines
16 KiB
Bash
#!/bin/bash
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# ============================================================
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# VPS 一键优化脚本
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# 适用: Debian 12 + VLESS + WS + TLS + Cloudflare CDN
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# 功能: BBR / 内核参数 / 文件描述符 / Nginx / CF IP 白名单
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# ============================================================
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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CYAN='\033[0;36m'
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BOLD='\033[1m'
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NC='\033[0m'
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info() { echo -e "${CYAN}[INFO]${NC} $1"; }
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success() { echo -e "${GREEN}[OK]${NC} $1"; }
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warning() { echo -e "${YELLOW}[!]${NC} $1"; }
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error() { echo -e "${RED}[ERR]${NC} $1"; exit 1; }
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step() {
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echo -e "\n${BOLD}${BLUE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
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echo -e "${BOLD}${YELLOW} $1${NC}"
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echo -e "${BOLD}${BLUE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}"
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}
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RESULTS=()
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add_result() { RESULTS+=("$1"); }
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check_root() {
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[[ $EUID -eq 0 ]] || error "请使用 root 用户运行: sudo bash vps_optimize.sh"
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}
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check_debian() {
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[[ -f /etc/debian_version ]] || error "此脚本仅支持 Debian / Ubuntu 系统"
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info "系统: $(lsb_release -d 2>/dev/null | cut -f2 || echo Debian)"
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info "内核: $(uname -r)"
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}
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print_banner() {
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clear
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echo -e "${CYAN}"
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echo "╔══════════════════════════════════════════════════════╗"
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echo "║ VPS 一键优化脚本 ║"
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echo "║ VLESS + WS + TLS + Cloudflare CDN ║"
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echo "╚══════════════════════════════════════════════════════╝"
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echo -e "${NC}"
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}
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# ── 默认值 ────────────────────────────────────────────────────
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NGINX_PORT="2053"
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WS_PATH="/stickrouter"
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DOMAIN=""
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ENABLE_CF_WHITELIST="y"
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detect_and_collect() {
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step "🔍 检测现有配置"
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local nginx_conf=""
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if [[ -d /etc/nginx/sites-enabled ]]; then
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nginx_conf=$(grep -rl "proxy_pass" /etc/nginx/sites-enabled/ 2>/dev/null | head -1 || true)
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fi
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if [[ -n "$nginx_conf" ]]; then
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local dp dd dpath
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dp=$(grep -E 'listen\s+[0-9]+\s+ssl' "$nginx_conf" 2>/dev/null | grep -oE '[0-9]{2,5}' | head -1 || true)
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dd=$(grep 'server_name' "$nginx_conf" 2>/dev/null | awk '{print $2}' | tr -d ';' | head -1 || true)
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dpath=$(grep -E 'location\s+/' "$nginx_conf" 2>/dev/null | awk '{print $2}' | head -1 || true)
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[[ -n "$dp" ]] && NGINX_PORT="$dp"
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[[ -n "$dd" ]] && DOMAIN="$dd"
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[[ -n "$dpath" ]] && WS_PATH="$dpath"
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info "从 nginx 配置读取到:"
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info " 端口: $NGINX_PORT 路径: $WS_PATH 域名: ${DOMAIN:-未检测到}"
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else
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if ! command -v nginx &>/dev/null; then
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warning "nginx 尚未安装 —— Nginx 优化步骤将跳过"
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warning "建议先运行 vless-ws-tls-setup.sh，部署完再跑本脚本"
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warning "本次将完成: BBR / 内核参数 / 文件描述符 / 时间同步 / CF白名单"
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else
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warning "nginx 已安装但无反代配置，Nginx 优化将跳过"
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fi
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fi
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step "⚙️ 配置参数确认"
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local input
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read -rp " Nginx 对外端口 [当前: ${NGINX_PORT}，回车确认]: " input
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[[ -n "$input" ]] && NGINX_PORT="$input"
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read -rp " WS 路径 [当前: ${WS_PATH}，回车确认]: " input
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[[ -n "$input" ]] && WS_PATH="$input"
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read -rp " 域名 [当前: ${DOMAIN:-空}，回车确认]: " input
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[[ -n "$input" ]] && DOMAIN="$input"
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read -rp " 开启 CF IP 白名单限制 ${NGINX_PORT} 端口? (Y/n): " input
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input="${input:-y}"
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[[ "$input" =~ ^[Nn]$ ]] && ENABLE_CF_WHITELIST="n" || ENABLE_CF_WHITELIST="y"
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echo ""
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echo -e " ${BOLD}最终配置:${NC}"
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echo -e " 端口: ${GREEN}${NGINX_PORT}${NC} 路径: ${GREEN}${WS_PATH}${NC} 域名: ${GREEN}${DOMAIN:-未填}${NC} CF白名单: ${GREEN}${ENABLE_CF_WHITELIST}${NC}"
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echo ""
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read -rp " 按 Enter 开始优化，输入 n 重新填写: " input
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[[ "${input:-y}" =~ ^[Nn]$ ]] && detect_and_collect
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}
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optimize_bbr() {
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step "🚀 BBR 拥塞控制"
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local current
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current=$(sysctl -n net.ipv4.tcp_congestion_control 2>/dev/null || echo "unknown")
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info "当前拥塞算法: $current"
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modprobe tcp_bbr 2>/dev/null || true
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if ! sysctl net.ipv4.tcp_available_congestion_control 2>/dev/null | grep -q bbr; then
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warning "内核不支持 BBR，跳过"
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add_result "❌ BBR: 内核不支持"
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return
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fi
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cat > /etc/sysctl.d/99-bbr.conf << 'EOF'
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net.core.default_qdisc = fq
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net.ipv4.tcp_congestion_control = bbr
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EOF
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sysctl -p /etc/sysctl.d/99-bbr.conf >/dev/null 2>&1 || true
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local after
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after=$(sysctl -n net.ipv4.tcp_congestion_control 2>/dev/null || echo "unknown")
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if [[ "$after" == "bbr" ]]; then
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success "BBR 已启用 ✓"
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add_result "✅ BBR: 已启用"
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else
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warning "BBR 配置已写入，重启后生效"
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add_result "⚠️ BBR: 重启后生效"
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fi
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}
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optimize_sysctl() {
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step "🔧 内核网络参数调优"
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cat > /etc/sysctl.d/99-vps-optimize.conf << 'EOF'
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# 缓冲区（WebSocket 长连接）
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net.core.rmem_max = 67108864
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net.core.wmem_max = 67108864
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net.ipv4.tcp_rmem = 4096 87380 67108864
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net.ipv4.tcp_wmem = 4096 65536 67108864
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net.core.netdev_max_backlog = 250000
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# 连接队列
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net.core.somaxconn = 32768
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net.ipv4.tcp_max_syn_backlog = 16384
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# TIME_WAIT
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net.ipv4.tcp_tw_reuse = 1
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net.ipv4.tcp_fin_timeout = 15
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net.ipv4.tcp_max_tw_buckets = 5000
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# WebSocket 保活
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net.ipv4.tcp_keepalive_time = 300
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net.ipv4.tcp_keepalive_intvl = 30
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net.ipv4.tcp_keepalive_probes = 3
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# 其他
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net.ipv4.tcp_fastopen = 3
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net.ipv4.tcp_mtu_probing = 1
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net.ipv4.ip_local_port_range = 10000 65535
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EOF
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sysctl -p /etc/sysctl.d/99-vps-optimize.conf >/dev/null 2>&1 && \
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success "内核参数写入完成" || warning "部分参数应用失败"
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add_result "✅ 内核参数: 已优化"
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}
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optimize_nofile() {
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step "📁 文件描述符"
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cat > /etc/security/limits.d/99-nofile.conf << 'EOF'
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* soft nofile 65535
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* hard nofile 65535
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root soft nofile 65535
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root hard nofile 65535
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EOF
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success "limits.d 写入完成"
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for svc in sing-box nginx xray; do
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if systemctl list-unit-files 2>/dev/null | grep -q "^${svc}.service"; then
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local d="/etc/systemd/system/${svc}.service.d"
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mkdir -p "$d"
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printf '[Service]\nLimitNOFILE=65535\n' > "${d}/limits.conf"
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success "systemd override: ${svc}"
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fi
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done
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systemctl daemon-reload 2>/dev/null || true
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ulimit -n 65535 2>/dev/null || true
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add_result "✅ 文件描述符: 65535"
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}
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optimize_nginx() {
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step "🌐 Nginx 配置优化"
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if ! command -v nginx &>/dev/null; then
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warning "nginx 未安装，跳过"
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add_result "⏭️ Nginx: 未安装，已跳过"
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return
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fi
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local nginx_conf
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nginx_conf=$(grep -rl "proxy_pass" /etc/nginx/sites-available/ 2>/dev/null | head -1 || true)
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if [[ -z "$nginx_conf" ]]; then
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warning "未找到反代站点配置，跳过"
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add_result "⏭️ Nginx: 无反代配置，已跳过"
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return
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fi
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info "目标配置: $nginx_conf"
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local backup="${nginx_conf}.bak.$(date +%Y%m%d%H%M%S)"
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cp "$nginx_conf" "$backup"
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info "已备份: $backup"
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sed -i 's/worker_processes\s\+[0-9]\+/worker_processes auto/' /etc/nginx/nginx.conf 2>/dev/null || true
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sed -i '/events\s*{/,/}/{s/worker_connections\s\+[0-9]\+/worker_connections 65535/}' /etc/nginx/nginx.conf 2>/dev/null || true
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# Python 精确修改站点配置
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python3 - "$nginx_conf" "$WS_PATH" << 'PYEOF'
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import sys, re
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conf_path, ws_path = sys.argv[1], sys.argv[2]
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with open(conf_path) as f:
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content = f.read()
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content = re.sub(r'ssl_protocols\s+[^;]+;', 'ssl_protocols TLSv1.2 TLSv1.3;', content)
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content = re.sub(r'ssl_ciphers\s+[^;]+;',
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'ssl_ciphers TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256;', content)
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content = re.sub(r'ssl_prefer_server_ciphers\s+\w+;', 'ssl_prefer_server_ciphers off;', content)
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for pat, rep in [
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(r'ssl_session_cache\s+[^;]+;', 'ssl_session_cache shared:SSL:20m;'),
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(r'ssl_session_timeout\s+[^;]+;', 'ssl_session_timeout 1d;'),
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]:
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content = re.sub(pat, rep, content)
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if 'ssl_session_tickets' not in content:
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content = re.sub(r'(ssl_session_timeout\s+[^;]+;)',
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r'\1\n ssl_session_tickets off;\n ssl_buffer_size 4k;', content)
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def patch_ws(m):
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b = m.group(0)
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for pat, rep in [
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(r'proxy_read_timeout\s+[^;]+;', 'proxy_read_timeout 600s;'),
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(r'proxy_send_timeout\s+[^;]+;', 'proxy_send_timeout 600s;'),
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(r'proxy_connect_timeout\s+[^;]+;', 'proxy_connect_timeout 10s;'),
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]:
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b = re.sub(pat, rep, b) if re.search(pat, b) else \
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b.replace('proxy_buffering off;', 'proxy_buffering off;\n ' + rep)
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if 'tcp_nodelay' not in b:
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b = b.replace('proxy_buffering off;', 'proxy_buffering off;\n tcp_nodelay on;')
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return b
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content = re.sub(r'location\s+' + re.escape(ws_path) + r'\s*\{[^}]+\}',
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patch_ws, content, flags=re.DOTALL)
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with open(conf_path, 'w') as f:
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f.write(content)
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print(" 站点配置更新完成")
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PYEOF
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if nginx -t 2>/dev/null; then
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systemctl reload nginx
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success "Nginx 优化完成并重载"
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add_result "✅ Nginx: 已优化并重载"
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else
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warning "配置测试失败，正在回滚..."
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cp "$backup" "$nginx_conf"
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systemctl reload nginx 2>/dev/null || true
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add_result "❌ Nginx: 优化失败已回滚"
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fi
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}
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optimize_proxy_service() {
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step "⚡ 代理服务重启"
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local found=0
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for svc in sing-box xray; do
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if systemctl is-active --quiet "$svc" 2>/dev/null; then
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systemctl restart "$svc" && \
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success "$svc 重启完成（fd override 已生效）" && \
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add_result "✅ ${svc}: 已重启"
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found=1
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fi
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done
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[[ $found -eq 0 ]] && warning "未检测到运行中的 sing-box / xray（部署后自动生效）"
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}
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setup_cf_whitelist() {
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step "🛡️ Cloudflare IP 白名单"
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if [[ "$ENABLE_CF_WHITELIST" != "y" ]]; then
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info "已跳过"
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add_result "⏭️ CF 白名单: 已跳过"
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return
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fi
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command -v ufw &>/dev/null || apt-get install -y -qq ufw
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ufw allow 22/tcp comment 'SSH' >/dev/null 2>&1 || true
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ufw allow 80/tcp comment 'HTTP' >/dev/null 2>&1 || true
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info "拉取 Cloudflare IP 段..."
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local cf_v4 cf_v6
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cf_v4=$(curl -sf --max-time 15 https://www.cloudflare.com/ips-v4/ 2>/dev/null || true)
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cf_v6=$(curl -sf --max-time 15 https://www.cloudflare.com/ips-v6/ 2>/dev/null || true)
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if [[ -z "$cf_v4" ]]; then
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warning "拉取失败，使用内置 IP 段"
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cf_v4="173.245.48.0/20
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103.21.244.0/22
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103.22.200.0/22
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103.31.4.0/22
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141.101.64.0/18
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108.162.192.0/18
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190.93.240.0/20
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188.114.96.0/20
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197.234.240.0/22
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198.41.128.0/17
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162.158.0.0/15
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104.16.0.0/13
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104.24.0.0/14
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172.64.0.0/13
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131.0.72.0/22"
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fi
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# 删除旧 CF 规则（逆序删除避免编号偏移）
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mapfile -t old_nums < <(ufw status numbered 2>/dev/null | grep 'CF' | grep -oE '^\s*\[[0-9]+\]' | tr -d '[] ' | sort -rn || true)
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for n in "${old_nums[@]}"; do
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[[ -n "$n" ]] && ufw --force delete "$n" >/dev/null 2>&1 || true
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done
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# 先添加 CF ALLOW（顺序必须在 DENY 之前）
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local count=0
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while IFS= read -r ip; do
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[[ -z "$ip" ]] && continue
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ufw allow from "$ip" to any port "$NGINX_PORT" proto tcp comment 'CF' >/dev/null 2>&1 && (( count++ )) || true
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done <<< "$cf_v4"
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while IFS= read -r ip; do
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[[ -z "$ip" ]] && continue
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ufw allow from "$ip" to any port "$NGINX_PORT" proto tcp comment 'CF' >/dev/null 2>&1 && (( count++ )) || true
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done <<< "$cf_v6"
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# 最后添加 DENY 兜底（排在所有 CF ALLOW 之后）
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ufw deny "${NGINX_PORT}/tcp" comment 'deny-direct' >/dev/null 2>&1 || true
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if ufw status 2>/dev/null | grep -q "Status: active"; then
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ufw reload >/dev/null 2>&1 || true
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else
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ufw --force enable >/dev/null 2>&1 || true
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fi
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success "已添加 ${count} 条 CF 规则，端口 ${NGINX_PORT} 仅允许 CF 回源"
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add_result "✅ CF 白名单: ${count} 条规则，端口 ${NGINX_PORT} 已锁定"
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# 自动更新脚本
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cat > /usr/local/bin/update-cf-whitelist.sh << CFEOF
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#!/bin/bash
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PORT="${NGINX_PORT}"
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cf_v4=\$(curl -sf --max-time 15 https://www.cloudflare.com/ips-v4/ 2>/dev/null)
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cf_v6=\$(curl -sf --max-time 15 https://www.cloudflare.com/ips-v6/ 2>/dev/null)
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[[ -z "\$cf_v4" ]] && echo "拉取失败" && exit 1
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mapfile -t old_nums < <(ufw status numbered 2>/dev/null | grep 'CF' | grep -oE '^\s*\[[0-9]+\]' | tr -d '[] ' | sort -rn)
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for n in "\${old_nums[@]}"; do [[ -n "\$n" ]] && ufw --force delete "\$n" >/dev/null 2>&1 || true; done
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for ip in \$cf_v4 \$cf_v6; do
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[[ -n "\$ip" ]] && ufw allow from "\$ip" to any port "\$PORT" proto tcp comment 'CF' >/dev/null 2>&1 || true
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done
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ufw reload >/dev/null 2>&1
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echo "\$(date '+%Y-%m-%d %H:%M:%S') CF 白名单已更新"
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CFEOF
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chmod +x /usr/local/bin/update-cf-whitelist.sh
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echo "0 4 1 * * root /usr/local/bin/update-cf-whitelist.sh >> /var/log/cf-whitelist.log 2>&1" \
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> /etc/cron.d/update-cf-whitelist
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success "自动更新任务已配置（每月1号凌晨4点）"
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}
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optimize_time() {
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step "🕐 时间同步"
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if systemctl is-active --quiet systemd-timesyncd 2>/dev/null; then
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timedatectl set-ntp true 2>/dev/null || true
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success "systemd-timesyncd 运行中"
|
||
add_result "✅ 时间同步: 正常"
|
||
elif command -v ntpd &>/dev/null; then
|
||
success "ntpd 运行中"
|
||
add_result "✅ 时间同步: ntpd"
|
||
else
|
||
apt-get install -y -qq systemd-timesyncd 2>/dev/null || true
|
||
timedatectl set-ntp true 2>/dev/null || true
|
||
success "systemd-timesyncd 已安装"
|
||
add_result "✅ 时间同步: 已安装"
|
||
fi
|
||
info "当前时间: $(date '+%Y-%m-%d %H:%M:%S %Z')"
|
||
}
|
||
|
||
print_report() {
|
||
step "📋 优化完成报告"
|
||
echo ""
|
||
for r in "${RESULTS[@]}"; do echo -e " $r"; done
|
||
|
||
echo ""
|
||
echo -e " ${BOLD}服务状态:${NC}"
|
||
for svc in nginx sing-box xray; do
|
||
if systemctl list-unit-files 2>/dev/null | grep -q "^${svc}.service"; then
|
||
if systemctl is-active --quiet "$svc" 2>/dev/null; then
|
||
echo -e " ${GREEN}✔${NC} ${svc} 运行中"
|
||
else
|
||
echo -e " ${RED}✘${NC} ${svc} 未运行"
|
||
fi
|
||
fi
|
||
done
|
||
|
||
echo ""
|
||
echo -e " ${BOLD}内核验证:${NC}"
|
||
echo -e " 拥塞算法 : ${GREEN}$(sysctl -n net.ipv4.tcp_congestion_control 2>/dev/null)${NC}"
|
||
echo -e " 队列算法 : ${GREEN}$(sysctl -n net.core.default_qdisc 2>/dev/null)${NC}"
|
||
echo -e " 文件描述符: ${GREEN}$(ulimit -n)${NC}"
|
||
|
||
if [[ "$ENABLE_CF_WHITELIST" == "y" ]]; then
|
||
echo ""
|
||
echo -e " ${BOLD}防火墙 (端口 ${NGINX_PORT}):${NC}"
|
||
ufw status 2>/dev/null | grep -E "Status:|${NGINX_PORT}" | sed 's/^/ /' || true
|
||
fi
|
||
|
||
echo ""
|
||
echo -e " ${CYAN}Nginx 备份: /etc/nginx/sites-available/*.bak.*${NC}"
|
||
echo -e " ${CYAN}CF IP 手动更新: bash /usr/local/bin/update-cf-whitelist.sh${NC}"
|
||
echo ""
|
||
echo -e " ${YELLOW}${BOLD}建议执行 reboot 使全部内核参数生效${NC}"
|
||
echo ""
|
||
}
|
||
|
||
main() {
|
||
check_root
|
||
print_banner
|
||
check_debian
|
||
detect_and_collect
|
||
optimize_bbr
|
||
optimize_sysctl
|
||
optimize_nofile
|
||
optimize_nginx
|
||
optimize_proxy_service
|
||
setup_cf_whitelist
|
||
optimize_time
|
||
print_report
|
||
}
|
||
|
||
main
|