telnet只能看tcp root@performance:~# telnet 192.168.80.104 9108 Trying 192.168.80.104... Connected to 192.168.80.104. Escape character is '^]'. nc既可以看tcp也可以看udp tcp root@performance:~# nc -vz 192.168.80.104 9108 192.168.80.104: inverse host lookup failed: Unknown host (UNKNOWN) [192.168.80.104] 9108 (?) open udp root@performance:~# nc -uvz 192.168.80.93 6688 192.168.80.93: inverse host lookup failed: Unknown host (UNKNOWN) [192.168.80.93] 6688 (?) open
标签:udp,9108,端口,192.168,host,tcp,80.104 From: https://www.cnblogs.com/daizichuan/p/17465318.html