Update docs
- Add new section for advanced usage - Clean up important notes section - Update IKEv2 docs
This commit is contained in:
hwdsl2
parent
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56
README-zh.md
56
README-zh.md
@ -21,6 +21,7 @@ IPsec VPN 可以加密你的网络流量，以防止在通过因特网传送时
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- [下一步](#下一步)
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- [下一步](#下一步)
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- [重要提示](#重要提示)
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- [重要提示](#重要提示)
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- [升级Libreswan](#升级libreswan)
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- [升级Libreswan](#升级libreswan)
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- [高级用法](#高级用法)
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- [问题和反馈](#问题和反馈)
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- [问题和反馈](#问题和反馈)
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- [卸载说明](#卸载说明)
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- [卸载说明](#卸载说明)
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- [另见](#另见)
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- [另见](#另见)
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@ -285,13 +286,7 @@ wget https://git.io/ikev2setup -O ikev2.sh && sudo bash ikev2.sh --auto
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对于有外部防火墙的服务器（比如 <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-security-groups.html" target="_blank">EC2</a>/<a href="https://cloud.google.com/vpc/docs/firewalls" target="_blank">GCE</a>），请为 VPN 打开 UDP 端口 500 和 4500。阿里云用户请参见 <a href="https://github.com/hwdsl2/setup-ipsec-vpn/issues/433" target="_blank">#433</a>。
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对于有外部防火墙的服务器（比如 <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-security-groups.html" target="_blank">EC2</a>/<a href="https://cloud.google.com/vpc/docs/firewalls" target="_blank">GCE</a>），请为 VPN 打开 UDP 端口 500 和 4500。阿里云用户请参见 <a href="https://github.com/hwdsl2/setup-ipsec-vpn/issues/433" target="_blank">#433</a>。
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在 VPN 已连接时，客户端配置为使用 <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a>。如果偏好其它的域名解析服务，编辑 `/etc/ppp/options.xl2tpd` 和 `/etc/ipsec.conf` 并替换 `8.8.8.8` 和 `8.8.4.4`，然后重启服务器。高级用户可以在运行 VPN 脚本时定义 `VPN_DNS_SRV1` 和 `VPN_DNS_SRV2`（可选）。
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在 VPN 已连接时，客户端配置为使用 <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a>。如果偏好其它的域名解析服务，请看[这里](#使用其他的-dns-服务器)。
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使用内核支持有助于提高 IPsec/L2TP 性能。它在所有 [受支持的系统](#系统要求) 上可用。Ubuntu 系统需要安装 `linux-modules-extra-$(uname -r)`（或者 `linux-image-extra`）软件包并运行 `service xl2tpd restart`。
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如果需要在安装后更改 IPTables 规则，请编辑 `/etc/iptables.rules` 和/或 `/etc/iptables/rules.v4` (Ubuntu/Debian)，或者 `/etc/sysconfig/iptables` (CentOS/RHEL)。然后重启服务器。
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在使用 `IPsec/L2TP` 连接时，VPN 服务器在虚拟网络 `192.168.42.0/24` 内具有 IP `192.168.42.1`。
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这些脚本在更改现有的配置文件之前会先做备份，使用 `.old-日期-时间` 为文件名后缀。
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这些脚本在更改现有的配置文件之前会先做备份，使用 `.old-日期-时间` 为文件名后缀。
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@ -329,6 +324,53 @@ wget https://git.io/vpnupgrade-amzn -O vpnupgrade.sh && sudo sh vpnupgrade.sh
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```
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```
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</details>
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</details>
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## 高级用法
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- [使用其他的 DNS 服务器](#使用其他的-dns-服务器)
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- [使用域名和服务器 IP 更改](#使用域名和服务器-ip-更改)
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- [VPN 内网 IP 地址](#vpn-内网-ip-地址)
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- [L2TP 内核支持](#l2tp-内核支持)
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- [更改 IPTables 规则](#更改-iptables-规则)
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### 使用其他的 DNS 服务器
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在 VPN 已连接时，客户端配置为使用 <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a>。如果偏好其它的域名解析服务，你可以编辑以下文件：`/etc/ppp/options.xl2tpd`, `/etc/ipsec.conf` 和 `/etc/ipsec.d/ikev2.conf`（如果存在），并替换 `8.8.8.8` 和 `8.8.4.4`。然后运行 `service ipsec restart` 和 `service xl2tpd restart`。
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高级用户可以在运行 VPN 安装脚本和 <a href="docs/ikev2-howto-zh.md#使用辅助脚本" target="_blank">IKEv2 辅助脚本</a>时定义 `VPN_DNS_SRV1` 和 `VPN_DNS_SRV2`（可选）。比如你想使用 [Cloudflare 的 DNS 服务](https://1.1.1.1)：
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```
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sudo VPN_DNS_SRV1=1.1.1.1 VPN_DNS_SRV2=1.0.0.1 sh vpn.sh
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sudo VPN_DNS_SRV1=1.1.1.1 VPN_DNS_SRV2=1.0.0.1 bash ikev2.sh --auto
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```
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### 使用域名和服务器 IP 更改
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对于 `IPsec/L2TP` 和 `IPsec/XAuth ("Cisco IPsec")` 模式，你可以在不需要额外配置的情况下使用一个域名（比如 `vpn.example.com`）而不是 IP 地址连接到 VPN 服务器。另外，一般来说，在服务器的 IP 更改后，比如在恢复一个映像到具有不同 IP 的新服务器后，VPN 会继续正常工作，虽然可能需要重启服务器。
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对于 `IKEv2` 模式，如果你想要 VPN 在服务器的 IP 更改后继续正常工作，则必须在 <a href="docs/ikev2-howto-zh.md" target="_blank">配置 IKEv2</a> 时指定一个域名作为 VPN 服务器的地址。该域名必须是一个全称域名(FQDN)。示例如下：
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```
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sudo VPN_DNS_NAME='vpn.example.com' bash ikev2.sh --auto
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```
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另外，你也可以自定义 IKEv2 安装选项，通过在运行 <a href="docs/ikev2-howto-zh.md#使用辅助脚本" target="_blank">辅助脚本</a> 时去掉 `--auto` 参数来实现。
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### VPN 内网 IP 地址
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在使用 `IPsec/L2TP` 模式连接时，VPN 服务器在虚拟网络 `192.168.42.0/24` 内具有 IP `192.168.42.1`。为客户端分配的内网 IP 在这个范围内：`192.168.42.10` 到 `192.168.42.250`。要找到为特定的客户端分配的 IP，可以查看该 VPN 客户端上的连接状态。
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在使用 `IPsec/XAuth ("Cisco IPsec")` 或 `IKEv2` 模式连接时，VPN 服务器在虚拟网络 `192.168.43.0/24` 内 \*没有\* 内网 IP。为客户端分配的内网 IP 在这个范围内：`192.168.43.10` 到 `192.168.43.250`。
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你可以使用这些 VPN 内网 IP 进行通信。但是请注意，为客户端分配 IP 是动态的，而且许多 VPN 客户端的防火墙可能不允许这些流量。
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### L2TP 内核支持
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使用内核支持有助于提高 IPsec/L2TP 性能。它在所有 [受支持的系统](#系统要求) 上可用。Ubuntu 系统需要安装 `linux-modules-extra-$(uname -r)`（或者 `linux-image-extra`）软件包并运行 `service xl2tpd restart`。
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### 更改 IPTables 规则
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如果你想要在安装后更改 IPTables 规则，请编辑 `/etc/iptables.rules` 和/或 `/etc/iptables/rules.v4` (Ubuntu/Debian)，或者 `/etc/sysconfig/iptables` (CentOS/RHEL)。然后重启服务器。
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## 问题和反馈
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## 问题和反馈
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- 有问题需要提问？请先搜索已有的留言，在 <a href="https://gist.github.com/hwdsl2/9030462#comments" target="_blank">这个 Gist</a> 以及 <a href="https://blog.ls20.com/ipsec-l2tp-vpn-auto-setup-for-ubuntu-12-04-on-amazon-ec2/#disqus_thread" target="_blank">我的博客</a>。
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- 有问题需要提问？请先搜索已有的留言，在 <a href="https://gist.github.com/hwdsl2/9030462#comments" target="_blank">这个 Gist</a> 以及 <a href="https://blog.ls20.com/ipsec-l2tp-vpn-auto-setup-for-ubuntu-12-04-on-amazon-ec2/#disqus_thread" target="_blank">我的博客</a>。
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56
README.md
56
README.md
@ -21,6 +21,7 @@ We will use <a href="https://libreswan.org/" target="_blank">Libreswan</a> as th
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- [Next steps](#next-steps)
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- [Next steps](#next-steps)
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- [Important notes](#important-notes)
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- [Important notes](#important-notes)
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- [Upgrade Libreswan](#upgrade-libreswan)
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- [Upgrade Libreswan](#upgrade-libreswan)
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- [Advanced usage](#advanced-usage)
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- [Bugs & Questions](#bugs--questions)
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- [Bugs & Questions](#bugs--questions)
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- [Uninstallation](#uninstallation)
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- [Uninstallation](#uninstallation)
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- [See also](#see-also)
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- [See also](#see-also)
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@ -285,13 +286,7 @@ If you wish to view or update VPN user accounts, see <a href="docs/manage-users.
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For servers with an external firewall (e.g. <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-security-groups.html" target="_blank">EC2</a>/<a href="https://cloud.google.com/vpc/docs/firewalls" target="_blank">GCE</a>), open UDP ports 500 and 4500 for the VPN. Aliyun users, see <a href="https://github.com/hwdsl2/setup-ipsec-vpn/issues/433" target="_blank">#433</a>.
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For servers with an external firewall (e.g. <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-security-groups.html" target="_blank">EC2</a>/<a href="https://cloud.google.com/vpc/docs/firewalls" target="_blank">GCE</a>), open UDP ports 500 and 4500 for the VPN. Aliyun users, see <a href="https://github.com/hwdsl2/setup-ipsec-vpn/issues/433" target="_blank">#433</a>.
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Clients are set to use <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a> when the VPN is active. If another DNS provider is preferred, replace `8.8.8.8` and `8.8.4.4` in both `/etc/ppp/options.xl2tpd` and `/etc/ipsec.conf`, then reboot your server. Advanced users can define `VPN_DNS_SRV1` and optionally `VPN_DNS_SRV2` when running the VPN setup script.
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Clients are set to use <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a> when the VPN is active. If another DNS provider is preferred, [read below](#use-alternative-dns-servers).
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Using kernel support could improve IPsec/L2TP performance. It is available on [all supported OS](#requirements). Ubuntu users should install the `linux-modules-extra-$(uname -r)` (or `linux-image-extra`) package and run `service xl2tpd restart`.
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To modify the IPTables rules after install, edit `/etc/iptables.rules` and/or `/etc/iptables/rules.v4` (Ubuntu/Debian), or `/etc/sysconfig/iptables` (CentOS/RHEL). Then reboot your server.
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When connecting via `IPsec/L2TP`, the VPN server has IP `192.168.42.1` within the VPN subnet `192.168.42.0/24`.
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The scripts will backup existing config files before making changes, with `.old-date-time` suffix.
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The scripts will backup existing config files before making changes, with `.old-date-time` suffix.
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@ -329,6 +324,53 @@ wget https://git.io/vpnupgrade-amzn -O vpnupgrade.sh && sudo sh vpnupgrade.sh
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```
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```
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</details>
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</details>
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## Advanced usage
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- [Use alternative DNS servers](#use-alternative-dns-servers)
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- [Use DNS names and server IP changes](#use-dns-names-and-server-ip-changes)
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- [Internal VPN IP addresses](#internal-vpn-ip-addresses)
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- [L2TP kernel support](#l2tp-kernel-support)
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- [Modify IPTables rules](#modify-iptables-rules)
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### Use alternative DNS servers
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Clients are set to use <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a> when the VPN is active. If another DNS provider is preferred, you may replace `8.8.8.8` and `8.8.4.4` in these files: `/etc/ppp/options.xl2tpd`, `/etc/ipsec.conf` and `/etc/ipsec.d/ikev2.conf` (if exists). Then run `service ipsec restart` and `service xl2tpd restart`.
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Advanced users can define `VPN_DNS_SRV1` and optionally `VPN_DNS_SRV2` when running the VPN setup script and <a href="docs/ikev2-howto.md#using-helper-scripts" target="_blank">IKEv2 helper script</a>. For example, if you wish to use [Cloudflare's DNS service](https://1.1.1.1):
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```
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sudo VPN_DNS_SRV1=1.1.1.1 VPN_DNS_SRV2=1.0.0.1 sh vpn.sh
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sudo VPN_DNS_SRV1=1.1.1.1 VPN_DNS_SRV2=1.0.0.1 bash ikev2.sh --auto
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```
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### Use DNS names and server IP changes
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For `IPsec/L2TP` and `IPsec/XAuth ("Cisco IPsec")` modes, you may use a DNS name (e.g. `vpn.example.com`) to connect to the VPN server instead of its IP address, without additional configuration. In addition, the VPN should generally continue to work after server IP changes, such as after restoring a snapshot to a new server with a different IP, although a reboot may be required.
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For `IKEv2` mode, if you want the VPN to continue to work after server IP changes, you must specify a DNS name to be used as the VPN server's address when <a href="docs/ikev2-howto.md" target="_blank">setting up IKEv2</a>. The DNS name must be a fully qualified domain name (FQDN). Example:
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```
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sudo VPN_DNS_NAME='vpn.example.com' bash ikev2.sh --auto
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```
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Alternatively, you may customize IKEv2 setup options by running the <a href="docs/ikev2-howto.md#using-helper-scripts" target="_blank">helper script</a> without the `--auto` parameter.
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### Internal VPN IP addresses
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When connecting using `IPsec/L2TP` mode, the VPN server has IP `192.168.42.1` within the VPN subnet `192.168.42.0/24`. Clients are assigned internal IPs from `192.168.42.10` to `192.168.42.250`. To check which IP is assigned to a client, view the connection status on the VPN client.
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When connecting using `IPsec/XAuth ("Cisco IPsec")` or `IKEv2` mode, the VPN server \*does not\* have an internal IP within the VPN subnet `192.168.43.0/24`. Clients are assigned internal IPs from `192.168.43.10` to `192.168.43.250`.
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You may use these internal VPN IPs for communication. However, note that the IPs assigned to clients are dynamic, and many VPN clients have firewalls that may block such traffic.
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### L2TP kernel support
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Using kernel support could improve IPsec/L2TP performance. It is available on [all supported OS](#requirements). Ubuntu users should install the `linux-modules-extra-$(uname -r)` (or `linux-image-extra`) package and run `service xl2tpd restart`.
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### Modify IPTables rules
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If you want to modify the IPTables rules after install, edit `/etc/iptables.rules` and/or `/etc/iptables/rules.v4` (Ubuntu/Debian), or `/etc/sysconfig/iptables` (CentOS/RHEL). Then reboot your server.
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## Bugs & Questions
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## Bugs & Questions
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- Got a question? Please first search other people's comments <a href="https://gist.github.com/hwdsl2/9030462#comments" target="_blank">in this Gist</a> and <a href="https://blog.ls20.com/ipsec-l2tp-vpn-auto-setup-for-ubuntu-12-04-on-amazon-ec2/#disqus_thread" target="_blank">on my blog</a>.
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- Got a question? Please first search other people's comments <a href="https://gist.github.com/hwdsl2/9030462#comments" target="_blank">in this Gist</a> and <a href="https://blog.ls20.com/ipsec-l2tp-vpn-auto-setup-for-ubuntu-12-04-on-amazon-ec2/#disqus_thread" target="_blank">on my blog</a>.
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@ -40,6 +40,18 @@ wget https://git.io/ikev2setup -O ikev2.sh && sudo bash ikev2.sh --auto
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该 <a href="../extras/ikev2setup.sh" target="_blank">脚本</a> 必须使用 `bash` 而不是 `sh` 运行。以上命令使用自动模式和默认选项运行辅助脚本。如果你想要自定义 IKEv2 安装选项，请在运行脚本时去掉 `--auto` 参数。在完成之后，请转到 [配置 IKEv2 VPN 客户端](#配置-ikev2-vpn-客户端)。
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该 <a href="../extras/ikev2setup.sh" target="_blank">脚本</a> 必须使用 `bash` 而不是 `sh` 运行。以上命令使用自动模式和默认选项运行辅助脚本。如果你想要自定义 IKEv2 安装选项，请在运行脚本时去掉 `--auto` 参数。在完成之后，请转到 [配置 IKEv2 VPN 客户端](#配置-ikev2-vpn-客户端)。
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在使用自动模式安装 IKEv2 时，高级用户可以指定一个域名作为 VPN 服务器的地址。这是可选的。该域名必须是一个全称域名(FQDN)。示例如下：
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```
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sudo VPN_DNS_NAME='vpn.example.com' bash ikev2.sh --auto
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```
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在 VPN 已连接时，IKEv2 客户端默认配置为使用 <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a>。在使用自动模式安装 IKEv2 时，你可以指定另外的 DNS 服务器。这是可选的。示例如下：
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```
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sudo VPN_DNS_SRV1=1.1.1.1 VPN_DNS_SRV2=1.0.0.1 bash ikev2.sh --auto
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```
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<details>
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<details>
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<summary>
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<summary>
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单击此处以查看 IKEv2 辅助脚本的详细使用信息。
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单击此处以查看 IKEv2 辅助脚本的详细使用信息。
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@ -58,18 +70,6 @@ Options:
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To customize IKEv2 or client options, run this script without arguments.
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To customize IKEv2 or client options, run this script without arguments.
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```
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```
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|
|
||||||
在使用自动模式安装 IKEv2 时，高级用户可以指定一个域名作为 VPN 服务器的地址。这是可选的。该域名必须是一个全称域名(FQDN)。示例如下：
|
|
||||||
|
|
||||||
```
|
|
||||||
sudo VPN_DNS_NAME='vpn.example.com' bash ikev2.sh --auto
|
|
||||||
```
|
|
||||||
|
|
||||||
在 VPN 已连接时，IKEv2 客户端默认配置为使用 <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a>。在使用自动模式安装 IKEv2 时，你可以指定另外的 DNS 服务器。这是可选的。示例如下：
|
|
||||||
|
|
||||||
```
|
|
||||||
sudo VPN_DNS_SRV1=1.1.1.1 VPN_DNS_SRV2=1.0.0.1 bash ikev2.sh --auto
|
|
||||||
```
|
|
||||||
</details>
|
</details>
|
||||||
|
|
||||||
## 配置 IKEv2 VPN 客户端
|
## 配置 IKEv2 VPN 客户端
|
||||||
|
|||||||
@ -40,6 +40,18 @@ wget https://git.io/ikev2setup -O ikev2.sh && sudo bash ikev2.sh --auto
|
|||||||
|
|
||||||
The <a href="../extras/ikev2setup.sh" target="_blank">script</a> must be run using `bash`, not `sh`. The command above runs the helper script in auto mode, using default options. Remove the `--auto` parameter if you want to customize IKEv2 setup options. When finished, continue to [configure IKEv2 VPN clients](#configure-ikev2-vpn-clients).
|
The <a href="../extras/ikev2setup.sh" target="_blank">script</a> must be run using `bash`, not `sh`. The command above runs the helper script in auto mode, using default options. Remove the `--auto` parameter if you want to customize IKEv2 setup options. When finished, continue to [configure IKEv2 VPN clients](#configure-ikev2-vpn-clients).
|
||||||
|
|
||||||
|
When running IKEv2 setup in auto mode, advanced users can optionally specify a DNS name to be used as the VPN server's address. The DNS name must be a fully qualified domain name (FQDN). Example:
|
||||||
|
|
||||||
|
```
|
||||||
|
sudo VPN_DNS_NAME='vpn.example.com' bash ikev2.sh --auto
|
||||||
|
```
|
||||||
|
|
||||||
|
By default, IKEv2 clients are set to use <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a> when the VPN is active. When running IKEv2 setup in auto mode, you may optionally specify custom DNS server(s). Example:
|
||||||
|
|
||||||
|
```
|
||||||
|
sudo VPN_DNS_SRV1=1.1.1.1 VPN_DNS_SRV2=1.0.0.1 bash ikev2.sh --auto
|
||||||
|
```
|
||||||
|
|
||||||
<details>
|
<details>
|
||||||
<summary>
|
<summary>
|
||||||
Click here to view detailed usage information for the IKEv2 helper script.
|
Click here to view detailed usage information for the IKEv2 helper script.
|
||||||
@ -58,18 +70,6 @@ Options:
|
|||||||
|
|
||||||
To customize IKEv2 or client options, run this script without arguments.
|
To customize IKEv2 or client options, run this script without arguments.
|
||||||
```
|
```
|
||||||
|
|
||||||
When running IKEv2 setup in auto mode, advanced users can optionally specify a DNS name to be used as the VPN server's address. The DNS name must be a fully qualified domain name (FQDN). Example:
|
|
||||||
|
|
||||||
```
|
|
||||||
sudo VPN_DNS_NAME='vpn.example.com' bash ikev2.sh --auto
|
|
||||||
```
|
|
||||||
|
|
||||||
By default, IKEv2 clients are set to use <a href="https://developers.google.com/speed/public-dns/" target="_blank">Google Public DNS</a> when the VPN is active. When running IKEv2 setup in auto mode, you may optionally specify custom DNS server(s). Example:
|
|
||||||
|
|
||||||
```
|
|
||||||
sudo VPN_DNS_SRV1=1.1.1.1 VPN_DNS_SRV2=1.0.0.1 bash ikev2.sh --auto
|
|
||||||
```
|
|
||||||
</details>
|
</details>
|
||||||
|
|
||||||
## Configure IKEv2 VPN clients
|
## Configure IKEv2 VPN clients
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user