What you want to do is run the following command to view the /etc/security/failedlogin file:
who /etc/security/failedlogin
It may run for a while if your log file is large. I'm not sure how to tell it to only process a specific number of lines. You can pipe it to tail to view the end if that is all you want to look at, but the process is still going to run, eating CPU cycles until it gets to the end of the file. Maybe someone knows how to run this more efficiently.
indiana_tas, this is great in fact but using tail brings to the terminal some coded info so I prefer as it is more simple to use who. Piped I could do this:
Hi,
I notice in my Sun Solaris 8 sparc workstation, if I failed my login in the 5th time, I will be closed the connection from the host.
I want to make 3 times. That is, if user fails to login with 3 attempts, he will be closed the connection.
How to do it? Of course I am the admin of the... (2 Replies)
I am wondering if solaris captures id's associated w/invalid login attempts?
when I try to login as "test1" several (3-5) times, I do not find any userID info under "/var/adm" files:
utmpx
wtmpx
messages
lastlog
Is there another location/log I should be checking?
Is it necessary for... (6 Replies)
Hi. I would like to be able to deny IP address for too many failed login attemps (either from ssh, sftp, ftp, etc). The system I wish this to work on is an AIX 5.1 system. I'm new to AIX but I'm a linux user. There is a program for linux called fail2ban which reads from the log files and see if... (1 Reply)
Does anyone have a good script / cron job that handles this?
I have looked in smit and see it is clearing this count with:
chsec -f /etc/security/lastlog -a "unsuccessful_login_count=0" -s '{userid}'
However when I looked around to find ways to automate this I have not found an easy... (0 Replies)
I'm stumped on an issue I'm having with RSA key based SSH logons.
I have 30 servers in a database cluster. They are all Red Hat Enterprise Linux Server release 6.4.
I want to be able to run a command on all of them from any one of them using SSH.
I generated private and public keys on... (1 Reply)
Hi there,
In Solaris 8.
I have accidentally set the eeprom security-mode=command because I followed the CIS benchmark guideline. Initally, it was eeprom security-mode=none. I have tried to login with the correct password numerous time and it still say permission denied.
I have tried to login... (4 Replies)
The purpose of this thread is for everyone to follow the same methodology so we can create a future table, for the benefit of all, that shows how many failed login attempts (hacking) per day per server (and per minute) are happening.
This is not a thread on writing scripts or creating... (10 Replies)
Discussion started by: Neo
10 Replies
LEARN ABOUT REDHAT
tail
TAIL(1) FSF TAIL(1)NAME
tail - output the last part of files
SYNOPSIS
tail [OPTION]... [FILE]...
DESCRIPTION
Print the last 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With
no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
--retry
keep trying to open a file even if it is inaccessible when tail starts or if it becomes inaccessible later -- useful only with -f
-c, --bytes=N
output the last N bytes
-f, --follow[={name|descriptor}]
output appended data as the file grows; -f, --follow, and --follow=descriptor are equivalent
-F same as --follow=name --retry
-n, --lines=N
output the last N lines, instead of the last 10
--max-unchanged-stats=N
with --follow=name, reopen a FILE which has not changed size after N (default 5) iterations to see if it has been unlinked or
renamed (this is the usual case of rotated log files)
--pid=PID
with -f, terminate after process ID, PID dies
-q, --quiet, --silent
never output headers giving file names
-s, --sleep-interval=S
with -f, sleep for approximately S seconds (default 1.0) between iterations.
-v, --verbose
always output headers giving file names
--help display this help and exit
--version
output version information and exit
If the first character of N (the number of bytes or lines) is a `+', print beginning with the Nth item from the start of each file, other-
wise, print the last N items in the file. N may have a multiplier suffix: b for 512, k for 1024, m for 1048576 (1 Meg).
With --follow (-f), tail defaults to following the file descriptor, which means that even if a tail'ed file is renamed, tail will continue
to track its end. This default behavior is not desirable when you really want to track the actual name of the file, not the file descrip-
tor (e.g., log rotation). Use --follow=name in that case. That causes tail to track the named file by reopening it periodically to see if
it has been removed and recreated by some other program.
AUTHOR
Written by Paul Rubin, David MacKenzie, Ian Lance Taylor, and Jim Meyering.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for tail is maintained as a Texinfo manual. If the info and tail programs are properly installed at your site, the
command
info tail
should give you access to the complete manual.
tail (coreutils) 4.5.3 February 2003 TAIL(1)