A+ Technician's On-the-Job Guide to Networking by Curt Simmons

By Curt Simmons

This available fast reference is the proper on-the-job better half, that includes easy-to-find details in a step by step, task-oriented structure. within, you’ll get lots of configuration and troubleshooting assistance and recommendations, logically prepared by way of subject. With this functional guidebook available, you’ll have the ability to diagnose and attach so much any community challenge speedy and simply.

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To add insult to injury, he left the access account with a blank password. Anyone who bothered to try and connect to the server would find that they had the power to do as they pleased. < previous page < previous page Page 158 page_157 page_158 next page > next page > Keep out the Bad, Let in the Good If you do not have a firewall between your private LAN and the Internet, get one. Once the firewall is in place, you will have gained the ability to keep out intruders while still allowing your users to make full use of the Internet.

Users should use passwords longer than five characters and probably not longer than twelve. Passwords outside of this range are either too easily guessed or they are too hard to recall easily. The last two options will allow you to enable complexity requirements and password storage using reversible encryption. If, for example, you wanted to specify that user passwords must include both characters and numbers, the complexity requirements can be used. Encryption is useful for protecting the integrity of the user passwords if your network security policy dictates this level of security is required.

If a user's Windows 2000 password expired and the user changed both the Windows and AS400 password, all was well. If they were unfortunate enough to change just the Windows password and then log off, they could not log into Windows again. To make a long story shorter, it turns out that the AS4000 client software (when a single sign-on was enabled) was trying to log on with the new Windows password, which of course was no longer the same password used by the AS400 account. Rather than generate an error or crash, the AS400 client would just halt the system.

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