08-25-2001
There are a few other things that you may check also.
Does this affect ALL users or only a few people who have this problem repeatedly? OR is it random users during high activity on the box for user logins?
1) One very inobvious thing that I have had problems with is the number of ttys configured in my kernel.
If you only have 50 ports configured in the kernel, then when the 51st person attempts to login they will get varied errors. Like timeouts, being kicked off when they type their login, connection failed...
2) If you users are Telnetting from PCs, open a DOS window and ping from the user's machine to the IP for the box in question. If that works, then try to FTP to the box to see if that method will work.
From the box, use trace or traceroute if you have that on your box and give it a user's IP address to follow. This may help determine if you have a connection problem as well
If you can do all of these without errors, then your connection is not faulty.
3) The next thing to check is your security on the box, to see if the settings have changed.
Next, check your users' passwords and check for expired, inactivitiy, or locked out users because of too many failed logins.
As a last resort you may want to load a saved copy of your password file from a backup tape.
Hope that this helps you out.
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