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user password keeps "unsuccessful attempts"

 
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# 1  
Old 04-15-2003
user password keeps "unsuccessful attempts"
i had a user who informed that when he tried to login he got this " too many unsuccessful attepmpts" this has happened regularly and he did not forget his password. i suspect that somebody tried to change. so i did some checks. i did a last, and found that nobody uses this
sipo other than himself which can be identified by his ip addres.. Unless... somebody can masquared his ip address..

any advice?

thanks
yls177
# 2  
Old 04-15-2003
This message means that someone tried to log in under this account but could not do so. It does not mean that someone logged in and then attempted to change the password.

Some versions of unix have a file that can keep track of failed login attempts. You might want to look into that. As usual, I can't give specific advice since I don't know what version of unix you're using.
# 3  
Old 04-15-2003
Quote:
Originally posted by Perderabo
This message means that someone tried to log in under this account but could not do so.

okay, i am on aix.

from the quote, so it means the password is wrong/invalid etc....

i did a last. and the ip is the same computer for my user.
yls177
# 4  
Old 04-15-2003
i dont believe that last shows unsuccesful login attempts.
# 5  
Old 04-15-2003
HP-UX has a lastb that can show failed login attempts, but only if btmp exists. I don't know about aix.
# 6  
Old 04-15-2003
last shows those who logged into the system... as my first thots are that somebody changed the password, causign my user failed logins. so i am inspecting the ip address....

for unsuccessful login attempts, in aix, maybe syslgo can do it?
yls177
# 7  
Old 04-16-2003
There might be a couple files you could check for..
/etc/security/failedlogin
/etc/security/lastlog
maybe even /etc/.ilog
 
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