Safe access method for borad band network
A technology for secure access and broadband network, applied in the access field of network systems, can solve the problems of poor security, endanger network security, hidden dangers of DHCP server security, etc., and achieve the effects of isolation protection, improved security, and good security.
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[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0013] In the process of user network access, the DHCP request message sent by the user terminal needs to be forwarded to the DHCP server through the DHCP relay server in the network. Therefore, the DHCP server can feed back the response message from the DHCP server to the user terminal at the DHCP relay server. The text is processed to isolate the DHCP server from the user.
[0014] figure 1 It is a flowchart of the method embodiment of the present invention. according to figure 1 First, the user terminal sends a DHCP request message for requesting network access to the DHCP relay server in step 1. The DHCP relay server receives the DHCP request message from the user terminal in step 2, and then forwards the DHCP request message of the user terminal To the DHCP server; after receiving the DHCP request message from the user terminal in step 3, the DHCP server as...
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