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 [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>
原文地址：https://www.cnblogs.com/whutao/p/11721944.html
时间： 2024-08-30 12:34:50