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Operating Systems AIX Denying IPaddress for Multiple Failed Login Attempts Post 302099765 by Keith Johnson on Wednesday 13th of December 2006 03:13:21 PM
Old 12-13-2006
well we use a firewall to do most of our protection, however have you looked at:
smit user
Reset User's Failed Login Count
then or...
chsec -f /etc/security/lastlog -a "unsuccessful_login_count=0" -s 'kmj'

view /etc/security/lastlog
/kmj
kmj:
time_last_login = 1156789317
tty_last_login = /dev/pts/42
host_last_login = valued-827c7724
unsuccessful_login_count = 5
time_last_unsuccessful_login = 1166039821
tty_last_unsuccessful_login = /dev/pts/16
host_last_unsuccessful_login = user.domain.com

I know this will lock down your telnet users that fail to many times. sorry no ideas on the IP based.
 

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eurephiadm lastlog(7)													     eurephiadm lastlog(7)

NAME
eurephiadm-lastlog - View the eurephia lastlog SYNOPSIS
eurephiadm lastlog [-v|--verbose] [-S|--sortkeys <sort keys>] [<FILTER arguments>] DESCRIPTION
This command will query the lastlog records, which contains information about all logins done with the eurephia-auth plug-in. OPTIONS
-S | --sortkeys <sort key>[,<sort key>[,<sort key>]...] Sorting order of the report. More sort keys can be given, separated by comma. The available sort keys are: uid : User ID certid : Certificate ID ip : IP address where the client connects from vpnip : Assigned IP address on the VPN client status : eurephia connection status login : When the client logged in logout : When the client logged out username : eurephia username macaddr : MAC address of the TUN/TAP interface on the VPN client uicid : User ID/Certificate ID link ID. Related to the IDs provided by eurephiadm usercerts -v | --verbose View detailed lastlog FILTERS
The filters can help reducing the amount of data being reported. Multiple filters may be added, but they will only work as additional "AND" arguments in the query. -c | --certid <Certificate ID> Certificate ID -i | --uid <User ID> Numeric user ID -u | --username <User name> User name -I | --ip-addr <IP address> IP address of remote host -s | --login <YYYY-MM-DD> Login time -e | --logout <YYYY-MM-DD> Logout time -m | --mac-addr <TUN/TAP MAC address> MAC address of remote VPN interface of the client -a | --uicid <Access ID> User ID/Certificate ID link ID. Related to the IDs provided by eurephiadm usercerts SEE ALSO
eurephiadm(7), eurephiadm-certs(7), eurephiadm-users(7), eurephiadm-usercerts(7) AUTHOR
Copyright (C) 2008-2010 David Sommerseth <dazo@users.sourceforge.net> David Sommerseth July 2010 eurephiadm lastlog(7)
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