我正在尝试从无头 Linux 客户端使用网络连接登录瞻博网络 VPN。我按照说明操作并使用了http://mad-scientist.us/juniper.html 中的脚本。当使用--noguiswitch运行脚本时，最终执行的命令是$HOME/.juniper_networks/network_connect/ncsvc -h HOST -u USER -r REALM -f $HOME/.vpn.default.crt. 我被要求输入密码，打印出一行“连接到...”，但随后程序静默停止。在向-L 5命令行添加（最详细的日志记录）时，这些是打印到日志的最后一条消息：
dsclient.info state: kStateCacheCleaner (dsclient.cpp:280)
dsclient.info --> POST /dana-na/cc/ccupdate.cgi (authenticate.cpp:162)
http_connection.para Entering state_start_connection (http_connection.cpp:282)
http_connection.para Entering state_continue_connection (http_connection.cpp:299)
http_connection.para Entering state_ssl_connect (http_connection.cpp:468)
dsssl.para SSL connect ssl=0x833e568/sd=4 connection using cipher RC4-MD5 (DSSSLSock.cpp:656)
http_connection.para Returning DSHTTP_COMPLETE from state_ssl_connect (http_connection.cpp:476)
DSHttp.debug state_reading_response_body - copying 0 buffered bytes (http_requester.cpp:800)
DSHttp.debug state_reading_response_body - recv'd 0 bytes data (http_requester.cpp:833)
dsclient.info <-- 200 (authenticate.cpp:194)
dsclient.error …