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How To Maintain Security Among Routers

by: ZacharySchuessler
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Word Count: 380

A network administrator has a tough job to complete. After all, they are responsible for the very security of the network they are supposedly administrating. This is a very tough job, with so many threats and vulnerabilities out to date. This is especially true with router configuration, where threats need to be neutralized.

There are a total of five different commands that can be used in regards to the different passwords that can be secured. The first to review is the command "Enable password." This command is an outdated form, although it is still in use among older routers and with those who haven't upgraded their IOS. Enable password in particular is flawed because it uses no encryption to store the password in question.

A computer network is best secured on the router side of things with encryption. Cisco realized this, and released the "Enable Secret" command in an IOS update. Enable secret allows network administrators to get their network using encryption and running great without fear of hackers finding the password out and causing a world of hurt on the computer network in question.

Gaining access to a Cisco router's running configuration is easy. Use the running configuration command to bring up the currently stored settings of the router. If both enable password and enable secret were used, administrators can see that enable password is readable for all to see! The enable secret password that comes after it is unreadable, as it is stored as an MD5 encrypted text.

Much of the benefit from the enable secret command comes from protecting the running configuration from prying eyes. And as far as computer networking security goes, even the smallest bit of help in security goes a long way in network stability. And when companies and businesses depend on network stability for a source of income, lacking it could run a business and its services into the ground.

Final Thoughts

Cisco routers aren't a safety hazard by any means, but updating to the latest IOS version and taking advantage of newer commands such as "Enable secret" is the best bet in keeping the computer network up and running for months to come without hassle. For further information, consult Cicso articles and other Internet resources to learn how to actually go about the process of using Enable secret.

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