From 6feae75d3bf3cdaeac311674dd93fc2870a7af92 Mon Sep 17 00:00:00 2001
From: chunzhi <aizfun.top@foxmail.com>
Date: Thu, 27 Mar 2025 06:07:36 -0400
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
 =?UTF-8?q?=20/?=
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---
 v2ray_installer.sh | 84 ++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 82 insertions(+), 2 deletions(-)

diff --git a/v2ray_installer.sh b/v2ray_installer.sh
index 55d487e..34994b8 100644
--- a/v2ray_installer.sh
+++ b/v2ray_installer.sh
@@ -80,6 +80,15 @@ install_dependencies() {
         apt update -y
         apt install -y wget curl unzip vim openssl socat
     fi
+    
+    # 检查IPv6支持
+    echo -e "${BLUE}检查IPv6支持...${PLAIN}"
+    if [ ! -f /proc/sys/net/ipv6/conf/all/disable_ipv6 ] || [ "$(cat /proc/sys/net/ipv6/conf/all/disable_ipv6)" != "0" ]; then
+        echo -e "${YELLOW}启用IPv6支持...${PLAIN}"
+        echo "net.ipv6.conf.all.disable_ipv6 = 0" >> /etc/sysctl.conf
+        echo "net.ipv6.conf.default.disable_ipv6 = 0" >> /etc/sysctl.conf
+        sysctl -p
+    fi
 }
 
 # 时间校准
@@ -111,12 +120,80 @@ install_firewall() {
         firewall-cmd --zone=public --add-port=22/tcp --permanent
         firewall-cmd --zone=public --add-port=80/tcp --permanent
         firewall-cmd --zone=public --add-port=443/tcp --permanent
+        # 允许IPv6流量
+        firewall-cmd --zone=public --add-port=22/tcp --permanent --ipv6
+        firewall-cmd --zone=public --add-port=80/tcp --permanent --ipv6
+        firewall-cmd --zone=public --add-port=443/tcp --permanent --ipv6
         firewall-cmd --reload
     else
         apt install -y ufw
         ufw enable
         ufw allow 'OpenSSH'
         ufw allow 'Nginx Full'
+        # 确保IPv6规则也被应用
+        sed -i 's/IPV6=no/IPV6=yes/g' /etc/default/ufw
+        ufw reload
+    fi
+}
+
+# 配置IPv6支持
+configure_ipv6() {
+    echo -e "${BLUE}配置IPv6支持...${PLAIN}"
+    
+    # 确保系统启用IPv6
+    if [ -f /proc/sys/net/ipv6/conf/all/disable_ipv6 ]; then
+        echo 0 > /proc/sys/net/ipv6/conf/all/disable_ipv6
+        echo 0 > /proc/sys/net/ipv6/conf/default/disable_ipv6
+    fi
+    
+    # 持久化IPv6配置
+    cat > /etc/sysctl.d/99-ipv6.conf << EOF
+net.ipv6.conf.all.disable_ipv6 = 0
+net.ipv6.conf.default.disable_ipv6 = 0
+net.ipv6.conf.lo.disable_ipv6 = 0
+EOF
+    sysctl -p /etc/sysctl.d/99-ipv6.conf
+    
+    # 检查网络接口IPv6配置
+    if [ "$OS" == "centos" ]; then
+        # CentOS/RHEL系统
+        for iface in $(ls /etc/sysconfig/network-scripts/ifcfg-* | grep -v ifcfg-lo); do
+            if ! grep -q "IPV6INIT=yes" $iface; then
+                echo "IPV6INIT=yes" >> $iface
+            fi
+        done
+        systemctl restart network
+    else
+        # Debian/Ubuntu系统
+        if [ -f /etc/network/interfaces ]; then
+            # 旧版本Debian/Ubuntu
+            if ! grep -q "iface eth0 inet6 auto" /etc/network/interfaces; then
+                echo "iface eth0 inet6 auto" >> /etc/network/interfaces
+            fi
+            systemctl restart networking
+        elif [ -d /etc/netplan ]; then
+            # 新版本Ubuntu使用netplan
+            for config in /etc/netplan/*.yaml; do
+                if [ -f "$config" ]; then
+                    # 确保YAML文件中包含IPv6配置
+                    if ! grep -q "dhcp6: true" "$config"; then
+                        # 备份原文件
+                        cp "$config" "${config}.bak"
+                        # 修改配置添加IPv6支持
+                        sed -i '/dhcp4: true/a\      dhcp6: true' "$config"
+                    fi
+                fi
+            done
+            netplan apply
+        fi
+    fi
+    
+    # 检查IPv6连接
+    echo -e "${BLUE}检查IPv6连接...${PLAIN}"
+    if ping6 -c 3 ipv6.google.com > /dev/null 2>&1; then
+        echo -e "${GREEN}IPv6连接正常${PLAIN}"
+    else
+        echo -e "${YELLOW}无法通过IPv6连接到互联网，但本地IPv6配置已完成${PLAIN}"
     fi
 }
 
@@ -139,6 +216,9 @@ install_v2ray() {
     # 时间校准
     time_sync
     
+    # 配置IPv6支持
+    configure_ipv6
+    
     # 安装防火墙
     install_firewall
     
@@ -250,8 +330,8 @@ EOF
     # 创建Nginx配置文件
     cat > /etc/nginx/sites-available/${domain} << EOF
 server {
-    listen 80 default_server;
-    listen [::]:80 default_server;
+    listen 80;
+    listen [::]:80;
     server_name ${domain} www.${domain};
     return 301 https://\$host\$request_uri;
 }