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
GitHub
parent
721cca630d
commit
cd0218d5b5
157
socat.sh
157
socat.sh
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@ -5,7 +5,7 @@ export PATH
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# ====================================================
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# 系统要求: CentOS 6+、Debian 7+、Ubuntu 14+
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# 描述: Socat 一键安装管理脚本
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# 版本: 3.0
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# 版本: 3.1
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# ====================================================
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Green="\033[32m"
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@ -109,7 +109,7 @@ config_socat(){
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# 启动Socat
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start_socat(){
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echo -e "${Green}正在配置Socat...${Font}"
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nohup socat TCP4-LISTEN:${port1},reuseaddr,fork TCP4:${socatip}:${port2} >> ./socat.log 2>&1 &
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nohup socat TCP4-LISTEN:${port1},reuseaddr,fork,keepalive,nodelay TCP4:${socatip}:${port2},keepalive,nodelay >> ./socat.log 2>&1 &
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# 检查是否成功启动
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sleep 2
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@ -135,7 +135,7 @@ add_to_startup() {
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echo '#!/bin/bash' > "$rc_local"
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fi
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startup_cmd="nohup socat TCP4-LISTEN:${port1},reuseaddr,fork TCP4:${socatip}:${port2} >> $(pwd)/socat.log 2>&1 &"
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startup_cmd="nohup socat TCP4-LISTEN:${port1},reuseaddr,fork,keepalive,nodelay TCP4:${socatip}:${port2},keepalive,nodelay >> $(pwd)/socat.log 2>&1 &"
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if ! grep -q "$startup_cmd" "$rc_local"; then
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echo "$startup_cmd" >> "$rc_local"
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chmod +x "$rc_local"
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@ -206,13 +206,152 @@ kill_all_socat() {
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echo -e "${Green}已从配置和开机自启动中移除所有 Socat 转发${Font}"
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}
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# 开启端口转发加速
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enable_acceleration() {
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echo -e "${Green}正在开启端口转发加速...${Font}"
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# 启用 TCP Fast Open
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echo 3 > /proc/sys/net/ipv4/tcp_fastopen
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# 优化内核参数
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sysctl -w net.ipv4.tcp_congestion_control=bbr
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sysctl -w net.core.default_qdisc=fq
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sysctl -w net.ipv4.tcp_slow_start_after_idle=0
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sysctl -w net.ipv4.tcp_mtu_probing=1
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# 新增优化参数
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sysctl -w net.core.rmem_max=26214400
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sysctl -w net.core.wmem_max=26214400
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sysctl -w net.ipv4.tcp_rmem='4096 87380 26214400'
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sysctl -w net.ipv4.tcp_wmem='4096 16384 26214400'
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sysctl -w net.ipv4.tcp_mem='26214400 26214400 26214400'
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sysctl -w net.core.netdev_max_backlog=2048
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sysctl -w net.ipv4.tcp_max_syn_backlog=2048
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sysctl -w net.ipv4.tcp_tw_reuse=1
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sysctl -w net.ipv4.tcp_fin_timeout=15
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sysctl -w net.ipv4.tcp_keepalive_time=1200
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sysctl -w net.ipv4.tcp_max_tw_buckets=2000000
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sysctl -w net.ipv4.tcp_fastopen=3
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sysctl -w net.ipv4.tcp_mtu_probing=1
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sysctl -w net.ipv4.tcp_syncookies=1
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sysctl -w net.ipv4.tcp_rfc1337=1
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sysctl -w net.ipv4.tcp_sack=1
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sysctl -w net.ipv4.tcp_fack=1
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sysctl -w net.ipv4.tcp_window_scaling=1
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sysctl -w net.ipv4.tcp_adv_win_scale=2
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sysctl -w net.ipv4.tcp_moderate_rcvbuf=1
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sysctl -w net.core.optmem_max=65535
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sysctl -w net.ipv4.tcp_notsent_lowat=16384
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# 持久化设置
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echo "net.ipv4.tcp_fastopen = 3" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_congestion_control = bbr" >> /etc/sysctl.conf
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echo "net.core.default_qdisc = fq" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_slow_start_after_idle = 0" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_mtu_probing = 1" >> /etc/sysctl.conf
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# 添加新增的优化参数到sysctl.conf
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echo "net.core.rmem_max = 26214400" >> /etc/sysctl.conf
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echo "net.core.wmem_max = 26214400" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_rmem = 4096 87380 26214400" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_wmem = 4096 16384 26214400" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_mem = 26214400 26214400 26214400" >> /etc/sysctl.conf
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echo "net.core.netdev_max_backlog = 2048" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_max_syn_backlog = 2048" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_tw_reuse = 1" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_fin_timeout = 15" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_keepalive_time = 1200" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_max_tw_buckets = 2000000" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_fastopen = 3" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_mtu_probing = 1" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_syncookies = 1" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_rfc1337 = 1" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_sack = 1" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_fack = 1" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_window_scaling = 1" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_adv_win_scale = 2" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_moderate_rcvbuf = 1" >> /etc/sysctl.conf
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echo "net.core.optmem_max = 65535" >> /etc/sysctl.conf
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echo "net.ipv4.tcp_notsent_lowat = 16384" >> /etc/sysctl.conf
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sysctl -p
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echo -e "${Green}端口转发加速已开启${Font}"
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}
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# 关闭端口转发加速
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disable_acceleration() {
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echo -e "${Yellow}正在关闭端口转发加速...${Font}"
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# 恢复默认内核参数
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sysctl -w net.ipv4.tcp_fastopen=0
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sysctl -w net.ipv4.tcp_congestion_control=cubic
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sysctl -w net.core.default_qdisc=pfifo_fast
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sysctl -w net.ipv4.tcp_slow_start_after_idle=1
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sysctl -w net.ipv4.tcp_mtu_probing=0
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# 恢复其他参数到默认值
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sysctl -w net.core.wmem_max=212992
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sysctl -w net.ipv4.tcp_rmem='4096 87380 6291456'
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sysctl -w net.ipv4.tcp_wmem='4096 16384 4194304'
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sysctl -w net.ipv4.tcp_mem='378651 504868 757299'
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sysctl -w net.core.netdev_max_backlog=1000
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sysctl -w net.ipv4.tcp_max_syn_backlog=128
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sysctl -w net.ipv4.tcp_tw_reuse=0
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sysctl -w net.ipv4.tcp_fin_timeout=60
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sysctl -w net.ipv4.tcp_keepalive_time=7200
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sysctl -w net.ipv4.tcp_max_tw_buckets=180000
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sysctl -w net.ipv4.tcp_syncookies=1
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sysctl -w net.ipv4.tcp_rfc1337=0
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sysctl -w net.ipv4.tcp_sack=1
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sysctl -w net.ipv4.tcp_fack=1
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sysctl -w net.ipv4.tcp_window_scaling=1
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sysctl -w net.ipv4.tcp_adv_win_scale=1
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sysctl -w net.ipv4.tcp_moderate_rcvbuf=1
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sysctl -w net.core.optmem_max=20480
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sysctl -w net.ipv4.tcp_notsent_lowat=4294967295
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# 从配置文件中移除所有自定义设置
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sed -i '/net.ipv4.tcp_fastopen/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_congestion_control/d' /etc/sysctl.conf
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sed -i '/net.core.default_qdisc/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_slow_start_after_idle/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_mtu_probing/d' /etc/sysctl.conf
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sed -i '/net.core.rmem_max/d' /etc/sysctl.conf
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sed -i '/net.core.wmem_max/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_rmem/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_wmem/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_mem/d' /etc/sysctl.conf
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sed -i '/net.core.netdev_max_backlog/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_max_syn_backlog/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_tw_reuse/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_fin_timeout/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_keepalive_time/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_max_tw_buckets/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_fastopen/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_syncookies/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_rfc1337/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_sack/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_fack/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_window_scaling/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_adv_win_scale/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_moderate_rcvbuf/d' /etc/sysctl.conf
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sed -i '/net.core.optmem_max/d' /etc/sysctl.conf
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sed -i '/net.ipv4.tcp_notsent_lowat/d' /etc/sysctl.conf
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sysctl -p
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echo -e "${Yellow}端口转发加速已关闭${Font}"
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}
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# 显示菜单
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show_menu() {
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echo -e "${Green}========= Socat 管理脚本 ==========${Font}"
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echo "1. 添加新转发"
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echo "2. 查看或删除转发"
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echo "3. 强制终止所有 Socat 进程"
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echo "4. 退出脚本"
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echo "4. 开启端口转发加速"
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echo "5. 关闭端口转发加速"
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echo "6. 退出脚本"
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echo -e "${Green}=====================================${Font}"
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}
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@ -227,7 +366,7 @@ main() {
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while true; do
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show_menu
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read -p "请输入选项 [1-4]: " choice
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read -p "请输入选项 [1-6]: " choice
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clear_screen
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case $choice in
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1)
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@ -244,6 +383,14 @@ main() {
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press_any_key
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;;
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4)
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enable_acceleration
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press_any_key
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;;
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5)
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disable_acceleration
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press_any_key
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;;
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6)
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echo -e "${Green}感谢使用,再见!${Font}"
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exit 0
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;;
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