Encrypting DHCP requests and traffic

755 pts.
Tags:
DHCP
DHCP security
DHCP server
Encryption
Is it possible to encrypt DHCP requests and traffic?

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Short answer: No, and why would you need to?

Discuss This Question: 2  Replies

 
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  • TomLiotta
    I think I'm not understanding the problem. Tunneling/encapsulation of DHCP is possible, but it's hard to see how it could work at all if it was encrypted. It's hard for me to come up with any reason for DHCP encryption since almost everything it results in necessarily becomes a part of just about every packet that gets sent from clients after receiving DHCP payload. What aspect of DHCP would you want to encrypt? What business problem would be solved? Maybe an alternative is possible (assuming DHCP encryption isn't meaningful). Tom
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  • saturno
    Hello, This question also attracted my attention. I also would like to know what are your expectations on encrypting DHCP traffic. Do you only want to deliver answers (from DHCP server) to known, trusted clients? If this is the problem you're trying to solve, there are options to do this. One thing is granted: if you encrypt / tunnel DHCP traffic, your clients requiring an IP address won't be able to get one...
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