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  • Linux中测试端口的几个命令

    https://blog.csdn.net/z1134145881/article/details/54706711

    1.telnet

    用法: telnet ip port
    (1) telnet连接不存在的端口  
    telnet 1.1.1.1 8
        Trying 1.1.1.1...
        telnet: connect to address 1.1.1.1: Connection timed out
    (2) telnet 链接存在端口
    telnet 1.1.1.1 8000
        Trying 1.1.1.1...
        Connected to 1.1.1.1.
        Escape character is '^]'.
        Connection closed by foreign host.

    2.wget

    用法: wget ip:port
    (1) 不存在端口
     wget 1.1.1.1:8  
        --2017-01-24 11:38:34-- http://1.1.1.1:8/   Connecting to 1.1.1.1:8... 
        failed: Connection timed out. Retrying.
    
    (2) 存在端口
     wget 1.1.1.1:8000
        --2017-01-24 11:39:03--  http://1.1.1.1:8000/
        Connecting to 1.1.1.1:8000... connected.
        HTTP request sent, awaiting response... 200 OK

    3.ssh

    用法: ssh -v -p port username@ip
    -v 调试模式(会打印日志).
    -p 指定端口

    4.

    用法: curl ip:port
    (1) 不存在端口
        获取不到结果
    (2) 存在端口
        curl  1.1.1.1:8000
        <!DOCTYPE html>
        <html>
            <head>xxx</head>
            <body>
                ......
            </body>
        </html>
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  • 原文地址:https://www.cnblogs.com/whutao/p/11721944.html
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