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You are here: Home / ICND1 / Day 4 – Router and Switch Security / Day 4 Tasks / Protecting Enable Mode

Protecting Enable Mode

Enable mode gives configuration access to the router, so you will want to protect this also. You can configure an enable secret or an enable password. In fact, you could have both at the same time, but this is a bad idea.

An enable password is unencrypted, so it can be seen in the router configuration. An enable secret is given level 5 (MD5) encryption, which is hard to break. Newer IOS releases (starting with 15.0(1)S) can also use level 4 (SHA256) encryption, which is superior to MD5 encryption (this level 5 encryption will be deprecated eventually . . .

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