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 [email protected]
-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>
来源: http://www.bubuko.com/infodetail-3252704.html