diff --git a/socat.sh b/socat.sh index 012af24..b4a063b 100644 --- a/socat.sh +++ b/socat.sh @@ -5,7 +5,7 @@ export PATH # ==================================================== # 系统要求: CentOS 7+、Debian 8+、Ubuntu 16+ # 描述: Socat 一键安装管理脚本 -# 版本: 5.5 +# 版本: 5.2 # ==================================================== Green="\033[32m" @@ -1405,204 +1405,308 @@ restore_forwards() { check_and_enable_bbr() { echo -e "${Green}正在检查 BBR 状态...${Font}" - kernel_version=$(uname -r | cut -d- -f1) - if [[ $(echo $kernel_version 4.9 | awk '{print ($1 < $2)}') -eq 1 ]]; then + # 获取内核版本 - 更精确的版本检测 + kernel_version=$(uname -r | sed 's/[^0-9.]*\([0-9.]*\).*/\1/') + major_version=$(echo "$kernel_version" | cut -d. -f1) + minor_version=$(echo "$kernel_version" | cut -d. -f2) + + # 检查内核版本是否支持BBR (4.9+ 支持BBR, 4.13+ 支持BBRv2) + if [[ $major_version -lt 4 ]] || [[ $major_version -eq 4 && $minor_version -lt 9 ]]; then echo -e "${Red}当前内核版本 ($kernel_version) 过低,不支持 BBR。需要 4.9 或更高版本。${Font}" return 1 fi - current_cc=$(sysctl -n net.ipv4.tcp_congestion_control) + # 检查系统是否支持BBR算法 + if ! sysctl net.ipv4.tcp_available_congestion_control &>/dev/null; then + echo -e "${Red}系统不支持拥塞控制算法配置${Font}" + return 1 + fi - if ! lsmod | grep -q "tcp_bbr"; then - echo -e "${Yellow}BBR 模块未加载,正在尝试加载...${Font}" - modprobe tcp_bbr - if ! lsmod | grep -q "tcp_bbr"; then - echo -e "${Red}无法加载 BBR 模块。请检查您的系统是否支持 BBR。${Font}" + # 获取可用的拥塞控制算法 + available_cc=$(sysctl -n net.ipv4.tcp_available_congestion_control 2>/dev/null || echo "") + if [[ -z "$available_cc" ]]; then + echo -e "${Red}无法获取可用的拥塞控制算法${Font}" + return 1 + fi + + # 检查BBR是否可用 - 按优先级顺序:bbrplus -> bbr -> bbr2 + bbr_variants=("bbrplus" "bbr" "bbr2") + supported_bbr="" + for variant in "${bbr_variants[@]}"; do + if echo "$available_cc" | grep -q "$variant"; then + supported_bbr="$variant" + break + fi + done + + if [[ -z "$supported_bbr" ]]; then + echo -e "${Red}系统不支持BBR算法。可用算法: $available_cc${Font}" + return 1 + fi + + # 获取当前拥塞控制算法 + current_cc=$(sysctl -n net.ipv4.tcp_congestion_control 2>/dev/null || echo "") + if [[ -z "$current_cc" ]]; then + echo -e "${Red}无法获取当前拥塞控制算法${Font}" + return 1 + fi + + # 检查当前算法是否为BBR变体 + is_bbr_enabled=false + current_bbr_variant="" + for variant in "${bbr_variants[@]}"; do + if [[ "$current_cc" == "$variant" ]]; then + is_bbr_enabled=true + current_bbr_variant="$variant" + echo -e "${Yellow}检测到系统已启用 ${current_bbr_variant}${Font}" + break + fi + done + + # 检查内核是否内置BBR - 不再强制要求模块加载 + has_bbr_module=false + if lsmod | grep -q "tcp_bbr" || echo "$available_cc" | grep -q "bbr"; then + has_bbr_module=true + fi + + if [[ "$has_bbr_module" == false ]]; then + echo -e "${Yellow}BBR模块未找到,尝试加载...${Font}" + if modprobe tcp_bbr 2>/dev/null; then + echo -e "${Green}BBR模块加载成功${Font}" + has_bbr_module=true + else + echo -e "${Yellow}BBR模块加载失败,可能是内置内核或已集成${Font}" + # 继续执行,因为可能是内置内核 + fi + fi + + # 如果未启用BBR,尝试启用 + if [[ "$is_bbr_enabled" != true ]]; then + echo -e "${Yellow}当前拥塞控制算法为 ${current_cc},正在切换到 ${supported_bbr}...${Font}" + if sysctl -w net.ipv4.tcp_congestion_control="$supported_bbr" 2>/dev/null; then + echo -e "${Green}已切换到 ${supported_bbr}${Font}" + current_cc="$supported_bbr" + else + echo -e "${Red}切换到 ${supported_bbr} 失败${Font}" return 1 fi fi - bbr_variants=("bbr" "bbr2" "bbrplus" "tsunamy") - - if [[ " ${bbr_variants[@]} " =~ " ${current_cc} " ]]; then - echo -e "${Yellow}检测到系统已启用 ${current_cc}。${Font}" - else - echo -e "${Yellow}当前拥塞控制算法为 ${current_cc},正在切换到 BBR...${Font}" - sysctl -w net.ipv4.tcp_congestion_control=bbr - fi - - current_qdisc=$(sysctl -n net.core.default_qdisc) - if [[ $current_qdisc != "fq" ]]; then + # 检查并设置队列调度算法 + current_qdisc=$(sysctl -n net.core.default_qdisc 2>/dev/null || echo "") + if [[ "$current_qdisc" != "fq" ]]; then echo -e "${Yellow}当前队列调度算法为 ${current_qdisc},正在切换到 fq...${Font}" - sysctl -w net.core.default_qdisc=fq - echo "net.core.default_qdisc = fq" >> /etc/sysctl.conf + if sysctl -w net.core.default_qdisc=fq 2>/dev/null; then + echo -e "${Green}已切换到 fq 队列调度${Font}" + else + echo -e "${Yellow}切换到 fq 失败,可能系统不支持${Font}" + fi fi - if ! grep -q "net.ipv4.tcp_congestion_control = bbr" /etc/sysctl.conf; then - echo "net.ipv4.tcp_congestion_control = bbr" >> /etc/sysctl.conf - fi - - sysctl -p - - current_cc=$(sysctl -n net.ipv4.tcp_congestion_control) - if [[ $current_cc == "bbr" ]]; then - echo -e "${Green}BBR 已成功启用。${Font}" + # 持久化配置 + local sysctl_file="/etc/sysctl.conf" + if [[ -w "$sysctl_file" ]]; then + # 清理旧的BBR配置 + sed -i '/net\.ipv4\.tcp_congestion_control/d' "$sysctl_file" + sed -i '/net\.core\.default_qdisc/d' "$sysctl_file" + + # 添加新的BBR配置 + echo "net.ipv4.tcp_congestion_control = $current_cc" >> "$sysctl_file" + echo "net.core.default_qdisc = fq" >> "$sysctl_file" + + # 重新加载配置 + sysctl -p 2>/dev/null || echo -e "${Yellow}sysctl配置重载部分失败${Font}" else - echo -e "${Red}BBR 启用失败,当前拥塞控制算法为 ${current_cc}。${Font}" + echo -e "${Yellow}无法写入sysctl配置文件,配置将在重启后失效${Font}" + fi + + # 最终验证 + final_cc=$(sysctl -n net.ipv4.tcp_congestion_control 2>/dev/null || echo "") + final_qdisc=$(sysctl -n net.core.default_qdisc 2>/dev/null || echo "") + + # 检查是否为BBR变体 + is_bbr_final=false + for variant in "${bbr_variants[@]}"; do + if [[ "$final_cc" == "$variant" ]]; then + is_bbr_final=true + break + fi + done + + if [[ "$is_bbr_final" == true ]]; then + echo -e "${Green}BBR 已成功启用。当前算法: $final_cc, 队列调度: $final_qdisc${Font}" + return 0 + else + echo -e "${Red}BBR 启用失败,当前拥塞控制算法为 ${final_cc}${Font}" + return 1 + fi +} + +# 网络加速配置管理 +manage_network_acceleration() { + local action="$1" # "enable" 或 "disable" + + # 定义加速配置(键=值 格式)- 专为端口转发优化 + local -A acceleration_configs=( + # 核心转发优化 + ["net.ipv4.tcp_fastopen"]="3" + ["net.ipv4.tcp_slow_start_after_idle"]="0" + ["net.ipv4.tcp_mtu_probing"]="1" + + # 缓冲区优化 - 大幅提升转发性能 + ["net.core.rmem_max"]="67108864" + ["net.core.wmem_max"]="67108864" + ["net.ipv4.tcp_rmem"]="4096 262144 67108864" + ["net.ipv4.tcp_wmem"]="4096 262144 67108864" + ["net.ipv4.tcp_mem"]="8388608 12582912 16777216" + ["net.core.netdev_max_backlog"]="8192" + ["net.core.netdev_budget"]="600" + + # 连接管理优化 + ["net.ipv4.tcp_max_syn_backlog"]="8192" + ["net.ipv4.tcp_tw_reuse"]="1" + ["net.ipv4.tcp_fin_timeout"]="10" + ["net.ipv4.tcp_keepalive_time"]="600" + ["net.ipv4.tcp_keepalive_intvl"]="30" + ["net.ipv4.tcp_keepalive_probes"]="3" + ["net.ipv4.tcp_max_tw_buckets"]="5000000" + + # 高级TCP特性 + ["net.ipv4.tcp_syncookies"]="1" + ["net.ipv4.tcp_sack"]="1" + ["net.ipv4.tcp_fack"]="1" + ["net.ipv4.tcp_window_scaling"]="1" + ["net.ipv4.tcp_adv_win_scale"]="1" + ["net.ipv4.tcp_moderate_rcvbuf"]="1" + ["net.ipv4.tcp_no_metrics_save"]="1" + ["net.ipv4.tcp_rfc1337"]="1" + ["net.ipv4.tcp_timestamps"]="1" + ["net.ipv4.tcp_ecn"]="0" # 禁用ECN避免兼容性问题 + + # 性能调优 + ["net.core.optmem_max"]="65536" + ["net.ipv4.tcp_notsent_lowat"]="32768" + ["net.ipv4.ip_local_port_range"]="1024 65535" + ["net.ipv4.tcp_max_orphans"]="8192" + ["net.ipv4.tcp_abort_on_overflow"]="0" + ["net.core.somaxconn"]="8192" + ) + + # 定义默认配置(键=值 格式) + local -A default_configs=( + ["net.ipv4.tcp_fastopen"]="0" + ["net.ipv4.tcp_congestion_control"]="cubic" + ["net.core.default_qdisc"]="pfifo_fast" + ["net.ipv4.tcp_slow_start_after_idle"]="1" + ["net.ipv4.tcp_mtu_probing"]="0" + ["net.core.rmem_max"]="212992" + ["net.core.wmem_max"]="212992" + ["net.ipv4.tcp_rmem"]="4096 87380 6291456" + ["net.ipv4.tcp_wmem"]="4096 16384 4194304" + ["net.ipv4.tcp_mem"]="378651 504868 757299" + ["net.core.netdev_max_backlog"]="1000" + ["net.ipv4.tcp_max_syn_backlog"]="128" + ["net.ipv4.tcp_tw_reuse"]="0" + ["net.ipv4.tcp_fin_timeout"]="60" + ["net.ipv4.tcp_keepalive_time"]="7200" + ["net.ipv4.tcp_max_tw_buckets"]="180000" + ["net.ipv4.tcp_syncookies"]="1" + ["net.ipv4.tcp_rfc1337"]="0" + ["net.ipv4.tcp_sack"]="1" + ["net.ipv4.tcp_fack"]="1" + ["net.ipv4.tcp_window_scaling"]="1" + ["net.ipv4.tcp_adv_win_scale"]="1" + ["net.ipv4.tcp_moderate_rcvbuf"]="1" + ["net.core.optmem_max"]="20480" + ["net.ipv4.tcp_notsent_lowat"]="4294967295" + ) + + # 定义所有需要清理的配置键 - 包含新增和原有的所有网络参数 + local cleanup_keys=( + "net.ipv4.tcp_fastopen" + "net.ipv4.tcp_congestion_control" + "net.core.default_qdisc" + "net.ipv4.tcp_slow_start_after_idle" + "net.ipv4.tcp_mtu_probing" + "net.core.rmem_max" + "net.core.wmem_max" + "net.ipv4.tcp_rmem" + "net.ipv4.tcp_wmem" + "net.ipv4.tcp_mem" + "net.core.netdev_max_backlog" + "net.core.netdev_budget" + "net.ipv4.tcp_max_syn_backlog" + "net.ipv4.tcp_tw_reuse" + "net.ipv4.tcp_fin_timeout" + "net.ipv4.tcp_keepalive_time" + "net.ipv4.tcp_keepalive_intvl" + "net.ipv4.tcp_keepalive_probes" + "net.ipv4.tcp_max_tw_buckets" + "net.ipv4.tcp_syncookies" + "net.ipv4.tcp_rfc1337" + "net.ipv4.tcp_sack" + "net.ipv4.tcp_fack" + "net.ipv4.tcp_window_scaling" + "net.ipv4.tcp_adv_win_scale" + "net.ipv4.tcp_moderate_rcvbuf" + "net.ipv4.tcp_no_metrics_save" + "net.ipv4.tcp_timestamps" + "net.ipv4.tcp_ecn" + "net.core.optmem_max" + "net.ipv4.tcp_notsent_lowat" + "net.ipv4.ip_local_port_range" + "net.ipv4.tcp_max_orphans" + "net.ipv4.tcp_abort_on_overflow" + "net.core.somaxconn" + ) + + # 清理配置文件中的相关配置 + for key in "${cleanup_keys[@]}"; do + sed -i "/${key//\./\\.}/d" /etc/sysctl.conf + done + + # 根据action选择配置 + local -n configs + local message="" + + if [[ "$action" == "enable" ]]; then + configs=acceleration_configs + message="端口转发加速已开启" + + # 额外处理BBR + check_and_enable_bbr + echo 3 > /proc/sys/net/ipv4/tcp_fastopen + else + configs=default_configs + message="端口转发加速已关闭" + fi + + # 应用配置(静默执行) + for key in "${!configs[@]}"; do + sysctl -w "${key}=${configs[$key]}" >/dev/null 2>&1 #删除”/dev/null 2>&1“输出信息 + echo "${key} = ${configs[$key]}" >> /etc/sysctl.conf + done + + sysctl -p >/dev/null 2>&1 #删除”/dev/null 2>&1“输出信息 + + # 输出结果 + if [[ "$action" == "enable" ]]; then + echo -e "${Green}${message}${Font}" + else + echo -e "${Yellow}${message}${Font}" fi } # 开启端口转发加速 enable_acceleration() { echo -e "${Green}正在开启端口转发加速...${Font}" - - sed -i '/net.ipv4.tcp_fastopen/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_slow_start_after_idle/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_mtu_probing/d' /etc/sysctl.conf - sed -i '/net.core.rmem_max/d' /etc/sysctl.conf - sed -i '/net.core.wmem_max/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_rmem/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_wmem/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_mem/d' /etc/sysctl.conf - sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_keepalive_time/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_fastopen/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_rfc1337/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_sack/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_fack/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_window_scaling/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_adv_win_scale/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_moderate_rcvbuf/d' /etc/sysctl.conf - sed -i '/net.core.optmem_max/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_notsent_lowat/d' /etc/sysctl.conf - - check_and_enable_bbr - - echo 3 > /proc/sys/net/ipv4/tcp_fastopen - - sysctl -w net.ipv4.tcp_slow_start_after_idle=0 - sysctl -w net.ipv4.tcp_mtu_probing=1 - - sysctl -w net.core.rmem_max=26214400 - sysctl -w net.core.wmem_max=26214400 - sysctl -w net.ipv4.tcp_rmem='4096 87380 26214400' - sysctl -w net.ipv4.tcp_wmem='4096 16384 26214400' - sysctl -w net.ipv4.tcp_mem='26214400 26214400 26214400' - sysctl -w net.core.netdev_max_backlog=2048 - sysctl -w net.ipv4.tcp_max_syn_backlog=2048 - sysctl -w net.ipv4.tcp_tw_reuse=1 - sysctl -w net.ipv4.tcp_fin_timeout=15 - sysctl -w net.ipv4.tcp_keepalive_time=1200 - sysctl -w net.ipv4.tcp_max_tw_buckets=2000000 - sysctl -w net.ipv4.tcp_fastopen=3 - sysctl -w net.ipv4.tcp_mtu_probing=1 - sysctl -w net.ipv4.tcp_syncookies=1 - sysctl -w net.ipv4.tcp_rfc1337=1 - sysctl -w net.ipv4.tcp_sack=1 - sysctl -w net.ipv4.tcp_fack=1 - sysctl -w net.ipv4.tcp_window_scaling=1 - sysctl -w net.ipv4.tcp_adv_win_scale=2 - sysctl -w net.ipv4.tcp_moderate_rcvbuf=1 - sysctl -w net.core.optmem_max=65535 - sysctl -w net.ipv4.tcp_notsent_lowat=16384 - - echo "net.ipv4.tcp_fastopen = 3" >> /etc/sysctl.conf - echo "net.ipv4.tcp_slow_start_after_idle = 0" >> /etc/sysctl.conf - echo "net.ipv4.tcp_mtu_probing = 1" >> /etc/sysctl.conf - echo "net.core.rmem_max = 26214400" >> /etc/sysctl.conf - echo "net.core.wmem_max = 26214400" >> /etc/sysctl.conf - echo "net.ipv4.tcp_rmem = 4096 87380 26214400" >> /etc/sysctl.conf - echo "net.ipv4.tcp_wmem = 4096 16384 26214400" >> /etc/sysctl.conf - echo "net.ipv4.tcp_mem = 26214400 26214400 26214400" >> /etc/sysctl.conf - echo "net.core.netdev_max_backlog = 2048" >> /etc/sysctl.conf - echo "net.ipv4.tcp_max_syn_backlog = 2048" >> /etc/sysctl.conf - echo "net.ipv4.tcp_tw_reuse = 1" >> /etc/sysctl.conf - echo "net.ipv4.tcp_fin_timeout = 15" >> /etc/sysctl.conf - echo "net.ipv4.tcp_keepalive_time = 1200" >> /etc/sysctl.conf - echo "net.ipv4.tcp_max_tw_buckets = 2000000" >> /etc/sysctl.conf - echo "net.ipv4.tcp_fastopen = 3" >> /etc/sysctl.conf - echo "net.ipv4.tcp_mtu_probing = 1" >> /etc/sysctl.conf - echo "net.ipv4.tcp_syncookies = 1" >> /etc/sysctl.conf - echo "net.ipv4.tcp_rfc1337 = 1" >> /etc/sysctl.conf - echo "net.ipv4.tcp_sack = 1" >> /etc/sysctl.conf - echo "net.ipv4.tcp_fack = 1" >> /etc/sysctl.conf - echo "net.ipv4.tcp_window_scaling = 1" >> /etc/sysctl.conf - echo "net.ipv4.tcp_adv_win_scale = 2" >> /etc/sysctl.conf - echo "net.ipv4.tcp_moderate_rcvbuf = 1" >> /etc/sysctl.conf - echo "net.core.optmem_max = 65535" >> /etc/sysctl.conf - echo "net.ipv4.tcp_notsent_lowat = 16384" >> /etc/sysctl.conf - - sysctl -p - - echo -e "${Green}端口转发加速已开启${Font}" + manage_network_acceleration "enable" } # 关闭端口转发加速 disable_acceleration() { echo -e "${Yellow}正在关闭端口转发加速...${Font}" - - sysctl -w net.ipv4.tcp_fastopen=0 - sysctl -w net.ipv4.tcp_congestion_control=cubic - sysctl -w net.core.default_qdisc=pfifo_fast - sysctl -w net.ipv4.tcp_slow_start_after_idle=1 - sysctl -w net.ipv4.tcp_mtu_probing=0 - - sysctl -w net.core.rmem_max=212992 - sysctl -w net.core.wmem_max=212992 - sysctl -w net.ipv4.tcp_rmem='4096 87380 6291456' - sysctl -w net.ipv4.tcp_wmem='4096 16384 4194304' - sysctl -w net.ipv4.tcp_mem='378651 504868 757299' - sysctl -w net.core.netdev_max_backlog=1000 - sysctl -w net.ipv4.tcp_max_syn_backlog=128 - sysctl -w net.ipv4.tcp_tw_reuse=0 - sysctl -w net.ipv4.tcp_fin_timeout=60 - sysctl -w net.ipv4.tcp_keepalive_time=7200 - sysctl -w net.ipv4.tcp_max_tw_buckets=180000 - sysctl -w net.ipv4.tcp_syncookies=1 - sysctl -w net.ipv4.tcp_rfc1337=0 - sysctl -w net.ipv4.tcp_sack=1 - sysctl -w net.ipv4.tcp_fack=1 - sysctl -w net.ipv4.tcp_window_scaling=1 - sysctl -w net.ipv4.tcp_adv_win_scale=1 - sysctl -w net.ipv4.tcp_moderate_rcvbuf=1 - sysctl -w net.core.optmem_max=20480 - sysctl -w net.ipv4.tcp_notsent_lowat=4294967295 - - sed -i '/net.ipv4.tcp_fastopen/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf - sed -i '/net.core.default_qdisc/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_slow_start_after_idle/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_mtu_probing/d' /etc/sysctl.conf - sed -i '/net.core.rmem_max/d' /etc/sysctl.conf - sed -i '/net.core.wmem_max/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_rmem/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_wmem/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_mem/d' /etc/sysctl.conf - sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_keepalive_time/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_fastopen/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_rfc1337/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_sack/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_fack/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_window_scaling/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_adv_win_scale/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_moderate_rcvbuf/d' /etc/sysctl.conf - sed -i '/net.core.optmem_max/d' /etc/sysctl.conf - sed -i '/net.ipv4.tcp_notsent_lowat/d' /etc/sysctl.conf - - sysctl -p - - echo -e "${Yellow}端口转发加速已关闭${Font}" + manage_network_acceleration "disable" } # 设置域名监控服务