146 lines
8.4 KiB
Markdown
146 lines
8.4 KiB
Markdown
# Configure IPsec/XAuth VPN Clients
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*Read this in other languages: [English](clients-xauth.md), [简体中文](clients-xauth-zh.md).*
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**Note: You may also [set up IKEv2](ikev2-howto.md) (recommended), or connect using [IPsec/L2TP mode](clients.md).**
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After <a href="https://github.com/hwdsl2/setup-ipsec-vpn" target="_blank">setting up your own VPN server</a>, follow these steps to configure your devices. IPsec/XAuth ("Cisco IPsec") is natively supported by Android, iOS and OS X. There is no additional software to install. Windows users can use the free <a href="https://www.shrew.net/download/vpn" target="_blank">Shrew Soft client</a>. In case you are unable to connect, first check to make sure the VPN credentials were entered correctly.
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IPsec/XAuth mode is also called "Cisco IPsec". This mode is generally **faster than** IPsec/L2TP with less overhead.
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---
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* Platforms
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* [Windows](#windows)
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* [OS X (macOS)](#os-x)
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* [Android](#android)
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* [iOS (iPhone/iPad)](#ios)
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* [Linux](#linux)
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## Windows
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**Note:** You may also connect using [IPsec/L2TP mode](clients.md). No additional software is required.
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1. Download and install the free <a href="https://www.shrew.net/download/vpn" target="_blank">Shrew Soft VPN client</a>.
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**Note:** This VPN client supports Windows 2K/XP/Vista/7/8.
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1. Click Start Menu -> All Programs -> ShrewSoft VPN Client -> VPN Access Manager
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1. Click the **Add (+)** button on toolbar.
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1. Enter `Your VPN Server IP` in the **Host Name or IP Address** field.
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1. Click the **Authentication** tab. Select **Mutual PSK + XAuth** from the **Authentication Method** drop-down menu.
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1. Under the **Local Identity** sub-tab, select **IP Address** from the **Identification Type** drop-down menu.
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1. Click the **Credentials** sub-tab. Enter `Your VPN IPsec PSK` in the **Pre Shared Key** field.
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1. Click the **Phase 1** tab. Select **main** from the **Exchange Type** drop-down menu.
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1. Click the **Phase 2** tab. Select **sha1** from the **HMAC Algorithm** drop-down menu.
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1. Click **Save** to save the VPN connection details.
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1. Select the new VPN connection. Click the **Connect** button on toolbar.
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1. Enter `Your VPN Username` in the **Username** field.
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1. Enter `Your VPN Password` in the **Password** field.
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1. Click **Connect**.
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Once connected, you will see **tunnel enabled** in the VPN Connect status window. Click the "Network" tab, and confirm that **Established - 1** is displayed under "Security Associations". You can verify that your traffic is being routed properly by <a href="https://www.google.com/search?q=my+ip" target="_blank">looking up your IP address on Google</a>. It should say "Your public IP address is `Your VPN Server IP`".
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If you get an error when trying to connect, see <a href="clients.md#troubleshooting" target="_blank">Troubleshooting</a>.
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## OS X
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1. Open System Preferences and go to the Network section.
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1. Click the **+** button in the lower-left corner of the window.
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1. Select **VPN** from the **Interface** drop-down menu.
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1. Select **Cisco IPSec** from the **VPN Type** drop-down menu.
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1. Enter anything you like for the **Service Name**.
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1. Click **Create**.
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1. Enter `Your VPN Server IP` for the **Server Address**.
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1. Enter `Your VPN Username` for the **Account Name**.
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1. Enter `Your VPN Password` for the **Password**.
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1. Click the **Authentication Settings** button.
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1. In the **Machine Authentication** section, select the **Shared Secret** radio button and enter `Your VPN IPsec PSK`.
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1. Leave the **Group Name** field blank.
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1. Click **OK**.
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1. Check the **Show VPN status in menu bar** checkbox.
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1. Click **Apply** to save the VPN connection information.
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To connect to the VPN: Use the menu bar icon, or go to the Network section of System Preferences, select the VPN and choose **Connect**. You can verify that your traffic is being routed properly by <a href="https://www.google.com/search?q=my+ip" target="_blank">looking up your IP address on Google</a>. It should say "Your public IP address is `Your VPN Server IP`".
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If you get an error when trying to connect, see <a href="clients.md#troubleshooting" target="_blank">Troubleshooting</a>.
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## Android
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1. Launch the **Settings** application.
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1. Tap "Network & internet". Or, if using Android 7 or earlier, tap **More...** in the **Wireless & networks** section.
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1. Tap **VPN**.
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1. Tap **Add VPN Profile** or the **+** icon at top-right of screen.
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1. Enter anything you like in the **Name** field.
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1. Select **IPSec Xauth PSK** in the **Type** drop-down menu.
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1. Enter `Your VPN Server IP` in the **Server address** field.
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1. Leave the **IPSec identifier** field blank.
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1. Enter `Your VPN IPsec PSK` in the **IPSec pre-shared key** field.
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1. Tap **Save**.
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1. Tap the new VPN connection.
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1. Enter `Your VPN Username` in the **Username** field.
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1. Enter `Your VPN Password` in the **Password** field.
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1. Check the **Save account information** checkbox.
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1. Tap **Connect**.
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Once connected, you will see a VPN icon in the notification bar. You can verify that your traffic is being routed properly by <a href="https://www.google.com/search?q=my+ip" target="_blank">looking up your IP address on Google</a>. It should say "Your public IP address is `Your VPN Server IP`".
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If you get an error when trying to connect, see <a href="clients.md#troubleshooting" target="_blank">Troubleshooting</a>.
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## iOS
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1. Go to Settings -> General -> VPN.
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1. Tap **Add VPN Configuration...**.
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1. Tap **Type**. Select **IPSec** and go back.
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1. Tap **Description** and enter anything you like.
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1. Tap **Server** and enter `Your VPN Server IP`.
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1. Tap **Account** and enter `Your VPN Username`.
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1. Tap **Password** and enter `Your VPN Password`.
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1. Leave the **Group Name** field blank.
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1. Tap **Secret** and enter `Your VPN IPsec PSK`.
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1. Tap **Done**.
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1. Slide the **VPN** switch ON.
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Once connected, you will see a VPN icon in the status bar. You can verify that your traffic is being routed properly by <a href="https://www.google.com/search?q=my+ip" target="_blank">looking up your IP address on Google</a>. It should say "Your public IP address is `Your VPN Server IP`".
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If you get an error when trying to connect, see <a href="clients.md#troubleshooting" target="_blank">Troubleshooting</a>.
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## Linux
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### Fedora and CentOS
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Fedora 28 (and newer) and CentOS 8/7 users can install the `NetworkManager-libreswan-gnome` package using `yum`, then configure the IPsec/XAuth VPN client using the GUI.
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1. Go to Settings -> Network -> VPN. Click the **+** button.
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1. Select **IPsec based VPN**.
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1. Enter anything you like in the **Name** field.
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1. Enter `Your VPN Server IP` for the **Gateway**.
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1. Select **IKEv1 (XAUTH)** in the **Type** drop-down menu.
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1. Enter `Your VPN Username` for the **User name**.
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1. Right-click the **?** in the **User password** field, select **Store the password only for this user**.
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1. Enter `Your VPN Password` for the **User password**.
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1. Leave the **Group name** field blank.
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1. Right-click the **?** in the **Secret** field, select **Store the password only for this user**.
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1. Enter `Your VPN IPsec PSK` for the **Secret**.
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1. Leave the **Remote ID** field blank.
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1. Click **Add** to save the VPN connection information.
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1. Turn the **VPN** switch ON.
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Once connected, you can verify that your traffic is being routed properly by <a href="https://www.google.com/search?q=my+ip" target="_blank">looking up your IP address on Google</a>. It should say "Your public IP address is `Your VPN Server IP`".
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### Other Linux
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Other Linux users can connect using [IPsec/L2TP](clients.md#linux) mode.
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## Credits
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This document was adapted from the <a href="https://github.com/StreisandEffect/streisand" target="_blank">Streisand</a> project, maintained by Joshua Lund and contributors.
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## License
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Note: This license applies to this document only.
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Copyright (C) 2016-2021 Lin Song
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Based on <a href="https://github.com/StreisandEffect/streisand/blob/6aa6b6b2735dd829ca8c417d72eb2768a89b6639/playbooks/roles/l2tp-ipsec/templates/instructions.md.j2" target="_blank">the work of Joshua Lund</a> (Copyright 2014-2016)
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This program is free software: you can redistribute it and/or modify it under the terms of the <a href="https://www.gnu.org/licenses/gpl.html" target="_blank">GNU General Public License</a> as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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