在我的研究實驗室中,我將我的電腦連接到乙太網路連接埠牆壁插座並獲得以下 IP 分配
192.168.1.X/24 網關:192.168.1.1
但如果我將獨立的惡意 wifi 路由器的 wan 連接埠連接到同一個套接字,我會得到不同的 IP 網路配置
192.168.29.X/24 網關:192.168.29.1
PC 和路由器之間的 DHCP DISCOVER 廣播是否有任何不同,以及 dhcp 伺服器如何準確區分兩者。或者我認為這是完全錯誤的?
答案1
DHCP 伺服器可能會根據 MAC 位址提供 IP
subnet 192.0.2.0 netmask 255.255.255.0 {
option routers 192.0.2.1;
# Unknown clients get this pool.
pool {
option domain-name-servers bogus.example.com;
max-lease-time 300;
range 192.0.2.200 192.0.2.253;
allow unknown-clients;
}
# Known clients get this pool.
pool {
option domain-name-servers ns1.example.com, ns2.example.com;
max-lease-time 28800;
range 192.0.2.5 192.0.2.199;
deny unknown-clients;
}
}
host myhost1 { hardware ethernet 01:23:45:00:00:01; }
host myhost2 { hardware ethernet 01:23:45:00:00:02; }
host myhost3 { hardware ethernet 01:23:45:00:00:03; }