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这是关于如何从Linux命令行界面使用Cisco AnyConnect应用程序连接到VPN服务器的简短指南，此设置的基本要求是安装AnyConnect客户端应用程序，参考在Ubuntu/Debian/Fedora上安装Cisco AnyConnect的方法。
从Linux终端使用Cisco AnyConnect连接到VPN服务器的方法 1、如果你使用了本指南中介绍的安装方法，则用于连接、断开连接和检查VPN状态的vpn脚本位于以下目录中：
$ ls /opt/cisco/anyconnect/bin/ total 3.7M -rwxr-xr-x. 1 root root 14K Dec 13 03:26 acinstallhelper -rwxr-xr-x. 1 root root 783K Dec 13 03:26 acwebhelper -rwxr-xr-x. 1 root root 688 Dec 13 03:26 anyconnect_uninstall.sh -rwxr-xr-x. 1 root root 315 Dec 13 03:26 load_tun.sh -rwxr-xr-x. 1 root root 506K Dec 13 03:26 manifesttool drwxr-xr-x. 2 root root 4.0K Dec 13 03:26 plugins -rwxr-xr-x. 1 root root 76K Dec 13 03:26 vpn -rwxr-xr-x. 1 root root 999K Dec 13 03:26 vpnagentd -rwxr-xr-x. 1 root root 418K Dec 13 03:26 vpndownloader -rwxr-xr-x. 1 root root 398K Dec 13 03:26 vpndownloader-cli -rwxr-xr-x. 1 root root 487K Dec 13 03:26 vpnui -rwxr-xr-x. 1 root root 9.2K Dec 13 03:26 vpn_uninstall.sh 2、检查vpn连接脚本命令选项： $ /opt/cisco/anyconnect/bin/vpn --help Usage: vpn [options] | [cmd] [host] options: -h Print this usage statement. -v Print version. -s Read commands from response file to work non-interactively. Example: vpn -s < response.txt commands: [connect|disconnect|hosts|state|stats] 3、这是一个连接示例： $ /opt/cisco/anyconnect/bin/vpn -s connect 192.168.10.10 4、出现提示时接受不受信任的连接，并提供你的VPN用户名和密码： Copyright (c) 2004 - 2019 Cisco Systems, Inc. All Rights Reserved. >> state: Disconnected >> state: Disconnected >> notice: Ready to connect. >> registered with local VPN subsystem. >> contacting host (192.168.10.10) for login information... >> notice: Contacting 192.168.10.10. AnyConnect cannot verify server: 192.168.10.10 - Certificate does not match the server name. Connecting to this server may result in a severe security compromise! Most users do not connect to untrusted servers unless the reason for the error condition is known. Connect Anyway? [y/n]: y >> Please enter your username and password. Username: [jmutai] Password: Second Password: 5、如果提供了正确的帐户信息，则应启动连接： >> state: Connecting >> notice: Establishing VPN session... The AnyConnect Downloader is analyzing this computer. Please wait... Initializing the AnyConnect Downloader... The AnyConnect Downloader is performing update checks... >> notice: The AnyConnect Downloader is performing update checks... >> notice: Checking for profile updates... >> notice: Checking for product updates... The AnyConnect Downloader updates have been completed. Please wait while the VPN connection is established... >> notice: Checking for customization updates... >> notice: Performing any required updates... >> notice: The AnyConnect Downloader updates have been completed. >> state: Connecting >> notice: Establishing VPN session... >> notice: Establishing VPN - Initiating connection... >> notice: Establishing VPN - Examining system... >> notice: Establishing VPN - Activating VPN adapter... >> notice: Establishing VPN - Configuring system... >> notice: Establishing VPN... >> state: Connected 6、检查VPN连接状态： $ /opt/cisco/anyconnect/bin/vpn state Cisco AnyConnect Secure Mobility Client (version 4.7.01076) . Copyright (c) 2004 - 2019 Cisco Systems, Inc. All Rights Reserved. >> state: Connected >> state: Connected >> state: Connected >> registered with local VPN subsystem. VPN> 7、要获取连接统计信息，请使用以下命令： $ /opt/cisco/anyconnect/bin/vpn stats
断开VPN 1、要断开与VPN的连接，请使用以下命令： $ /opt/cisco/anyconnect/bin/vpn -s disconnect 192.168.10.11 2、将192.168.10.11替换为你的VPN服务器IP地址。
从CLI自动执行VPN连接 1、如果要脚本自动执行连接，请首先创建帐户信息文件，如下： $ vim ~/.vpn_creds username Password y 2、在文件中设置VPN用户名和密码，然后创建一个脚本文件，如下所示： $ vim vpn_connect.sh #!/bin/bash VPN_SERVER="192.168.10.10" echo "Connecting to VPN.." /opt/cisco/anyconnect/bin/vpn -s < ~/.vpn_creds connect ${VPN_SERVER} 3、使脚本可执行： $ chmod +x vpn_connect.sh 4、运行脚本以连接到你的VPN服务器： $ ./vpn_connect.sh Connecting to VPN.. Cisco AnyConnect Secure Mobility Client (version 4.7.01076) . Copyright (c) 2004 - 2019 Cisco Systems, Inc. All Rights Reserved. >> state: Disconnected >> state: Disconnected >> notice: Ready to connect. >> registered with local VPN subsystem. >> contacting host (192.168.10.10) for login information... >> notice: Contacting 192.168.10.10. >> Please enter your username and password. Username: [jkmutai] jmutai Password: >> state: Connecting >> notice: Establishing VPN session... The AnyConnect Downloader is analyzing this computer. Please wait... Initializing the AnyConnect Downloader... The AnyConnect Downloader is performing update checks... >> notice: The AnyConnect Downloader is performing update checks... >> notice: Checking for profile updates... >> notice: Checking for product updates... >> notice: Checking for customization updates... The AnyConnect Downloader updates have been completed. >> notice: Performing any required updates... Please wait while the VPN connection is established... >> notice: The AnyConnect Downloader updates have been completed. >> state: Connecting >> notice: Establishing VPN session... >> notice: Establishing VPN - Initiating connection... >> notice: Establishing VPN - Examining system... >> notice: Establishing VPN - Activating VPN adapter... >> notice: Establishing VPN - Configuring system... >> notice: Establishing VPN... >> state: Connected 5、现在，你可以使用AnyConnect VPN客户端安全地连接到公司网络了。
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