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Occupation:
网络系统管理
Age:
20
Location:
河南郑州
Interests:
篮球
音乐
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四楼
网络收藏夹
突然的自我
我要我自我
Blog
November 15
常用的TCP的标准端口:
ftp-data 20
ftp-control 21
sshd 22
telnet 23
smtp 25
pop3 110
IP地址的分配:
A类:0-126
B类:128-191
C类:192-223
D类:223-239
E类:240-255
D类地址用于组播,E类地址保留。
私有网络使用的IP地址:
A类: 10.*.*.*
B类: 172.16.*.* ~ 172.32.*.*
C类: 192.168.0.* ~ 192.168.255.*
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