命令行访问百度、搜狐

百度

[root@yaxin ~]# exec 8<> /dev/tcp/www.baidu.com/80
[root@yaxin ~]# echo -e "GET / HTTP/1.0\n" 1>& 8
[root@yaxin ~]# cat 0<& 8

 搜狐新闻 (sohu.com)

exec 8<> /dev/tcp/www.sohu.com/80
echo -e "GET / HTTP/1.0\n" 1>& 8
cat 0<& 8

IP.cn

curl -s  --user-agent foobar https://ip.cn