1.用telnet 测试TCP端口是否开启
2.我们使用nc来进行UDP端口测试,如下
? ~ nc -vuz 192.168.0.1 139
found 0 associations
found 1 connections:
1:flags=82<CONNECTED,PREFERRED>
outif (null)
src 10.255.2.10 port 51343
dst 192.168.0.1 port 139
rank info not available
Connection to 192.168.0.1 port 139 [udp/netbios-ssn] succeeded!
? ~ nc -vuz 192.168.0.1 139