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Socat
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Update socat.sh 

1.添加两个新函数
2.整TCP缓冲区大小，允许更多数据在内存中处理。
3.启用TCP Fast Open，减少TCP连接的延迟。
4.使用BBR拥塞控制算法，提高网络吞吐量。
5.优化TCP连接的各种参数，如超时时间、保活时间等。
6.在Socat命令中添加keepalive和nodelay选项，减少延迟并保持连接活跃。
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baichal 2024-08-15 05:27:47 +08:00 committed by GitHub
parent 721cca630d
commit cd0218d5b5
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1 changed files with 152 additions and 5 deletions
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socat.sh
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@ -5,7 +5,7 @@ export PATH
# ==================================================== # ====================================================
# 系统要求: CentOS 6+、Debian 7+、Ubuntu 14+ # 系统要求: CentOS 6+、Debian 7+、Ubuntu 14+
# 描述: Socat 一键安装管理脚本 # 描述: Socat 一键安装管理脚本
# 版本: 3.0 # 版本: 3.1
# ==================================================== # ====================================================
Green="\033[32m" Green="\033[32m"
@ -109,7 +109,7 @@ config_socat(){
# 启动Socat # 启动Socat
start_socat(){ start_socat(){
echo -e "${Green}正在配置Socat...${Font}" echo -e "${Green}正在配置Socat...${Font}"
nohup socat TCP4-LISTEN:${port1},reuseaddr,fork TCP4:${socatip}:${port2} >> ./socat.log 2>&1 & nohup socat TCP4-LISTEN:${port1},reuseaddr,fork,keepalive,nodelay TCP4:${socatip}:${port2},keepalive,nodelay >> ./socat.log 2>&1 &
# 检查是否成功启动 # 检查是否成功启动
sleep 2 sleep 2
@ -135,7 +135,7 @@ add_to_startup() {
echo '#!/bin/bash' > "$rc_local" echo '#!/bin/bash' > "$rc_local"
fi fi
startup_cmd="nohup socat TCP4-LISTEN:${port1},reuseaddr,fork TCP4:${socatip}:${port2} >> $(pwd)/socat.log 2>&1 &" startup_cmd="nohup socat TCP4-LISTEN:${port1},reuseaddr,fork,keepalive,nodelay TCP4:${socatip}:${port2},keepalive,nodelay >> $(pwd)/socat.log 2>&1 &"
if ! grep -q "$startup_cmd" "$rc_local"; then if ! grep -q "$startup_cmd" "$rc_local"; then
echo "$startup_cmd" >> "$rc_local" echo "$startup_cmd" >> "$rc_local"
chmod +x "$rc_local" chmod +x "$rc_local"
@ -206,13 +206,152 @@ kill_all_socat() {
echo -e "${Green}已从配置和开机自启动中移除所有 Socat 转发${Font}" echo -e "${Green}已从配置和开机自启动中移除所有 Socat 转发${Font}"
} }
# 开启端口转发加速
enable_acceleration() {
echo -e "${Green}正在开启端口转发加速...${Font}"
# 启用 TCP Fast Open
echo 3 > /proc/sys/net/ipv4/tcp_fastopen
# 优化内核参数
sysctl -w net.ipv4.tcp_congestion_control=bbr
sysctl -w net.core.default_qdisc=fq
sysctl -w net.ipv4.tcp_slow_start_after_idle=0
sysctl -w net.ipv4.tcp_mtu_probing=1
# 新增优化参数
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
# 持久化设置
echo "net.ipv4.tcp_fastopen = 3" >> /etc/sysctl.conf
echo "net.ipv4.tcp_congestion_control = bbr" >> /etc/sysctl.conf
echo "net.core.default_qdisc = fq" >> /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
# 添加新增的优化参数到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${Font}"
}
# 关闭端口转发加速
disable_acceleration() {
echo -e "${Yellow}正在关闭端口转发加速...${Font}"
# 恢复默认内核参数
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
# 恢复其他参数到默认值
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
# 从配置文件中移除所有自定义设置
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${Font}"
}
# 显示菜单 # 显示菜单
show_menu() { show_menu() {
echo -e "${Green}========= Socat 管理脚本 ==========${Font}" echo -e "${Green}========= Socat 管理脚本 ==========${Font}"
echo "1. 添加新转发" echo "1. 添加新转发"
echo "2. 查看或删除转发" echo "2. 查看或删除转发"
echo "3. 强制终止所有 Socat 进程" echo "3. 强制终止所有 Socat 进程"
echo "4. 退出脚本" echo "4. 开启端口转发加速"
echo "5. 关闭端口转发加速"
echo "6. 退出脚本"
echo -e "${Green}=====================================${Font}" echo -e "${Green}=====================================${Font}"
} }
@ -227,7 +366,7 @@ main() {
while true; do while true; do
show_menu show_menu
read -p "请输入选项 [1-4]: " choice read -p "请输入选项 [1-6]: " choice
clear_screen clear_screen
case $choice in case $choice in
1) 1)
@ -244,6 +383,14 @@ main() {
press_any_key press_any_key
;; ;;
4) 4)
enable_acceleration
press_any_key
;;
5)
disable_acceleration
press_any_key
;;
6)
echo -e "${Green}感谢使用,再见!${Font}" echo -e "${Green}感谢使用,再见!${Font}"
exit 0 exit 0
;; ;;