From: West, Jeff (westj@telecomsys.com)
Date: Sat Mar 15 2003 - 01:59:40 GMT-3
I did not know that. Thanks for the info.
Jeff West
TeleCommunication Systems, Inc.
(813) 831-6353 x118
-----Original Message-----
From: Brian Dennis [mailto:brian@5g.net]
Sent: Friday, March 14, 2003 6:34 PM
To: 'Jerry'; West, Jeff; 'Erling Bjontegard'; ccielab@groupstudy.com
Subject: RE: Block one user from logging into the router.
When you put "no login" under the vty you are disabling password
checking and allowing all connections in automatically. See below.
Rack4R2#wr t
<snip>
!
hostname Rack4R2
!
interface Ethernet0/0
ip address 10.1.1.2 255.255.255.0
!
line vty 0 4
no login
!
<snip>
Rack4R2#telnet 10.1.1.2
Trying 10.1.1.2 ... Open
Rack4R2>exit
[Connection to 10.1.1.2 closed by foreign host]
Rack4R2#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Rack4R2(config)#line vty 0 4 Rack4R2(config-line)#transport input none
Rack4R2(config-line)#^Z Rack4R2#
05:04:13: %SYS-5-CONFIG_I: Configured from console by console
Rack4R2#telnet 10.1.1.2 Trying 10.1.1.2 ...
% Connection refused by remote host
Rack4R2#
Brian Dennis, CCIE #2210 (R&S/ISP Dial/Security) CCSI# 98640
brian@labforge.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of Jerry
Sent: Friday, March 14, 2003 2:20 PM
To: West, Jeff; Erling Bjontegard; ccielab@groupstudy.com
Subject: Re: Block one user from logging into the router.
Thanks Jeff.
Jerry
----- Original Message -----
From: West, Jeff <westj@telecomsys.com>
To: Jerry <phase90@comcast.net>; Erling Bjontegard <erli-b@online.no>;
<ccielab@groupstudy.com>
Sent: Friday, March 14, 2003 2:29 PM
Subject: RE: Block one user from logging into the router.
Line vty 0
login
Line vty 1 4
no login
Only one user at a time
Jeff West
TeleCommunication Systems, Inc.
(813) 831-6353 x118
-----Original Message-----
From: Jerry [mailto:phase90@comcast.net]
Sent: Friday, March 14, 2003 10:42 AM
To: Erling Bjontegard; ccielab@groupstudy.com
Subject: Re: Block one user from logging into the router.
Hello Erling,
pure speculation, having never done this, but there could
very possibly be a max-user type command in IOS to limit the # of
sessiond to 1.
Jerry
----- Original Message -----
From: Erling Bjontegard <erli-b@online.no>
To: <ccielab@groupstudy.com>
Sent: Thursday, March 13, 2003 2:00 PM
Subject: Block one user from logging into the router.
> Hi all,
> is it possible to block one user from logging into the router when
> another
user is logged on?
>
> I'm looking for a solution for the following scenario.
> The router have two users defined - user A and B.
> When user A do a telnet into the router the router automatically
block
> any
telnet sessions for user B to be established. At the same time new
user A shall be able to logg on. If there are any user B sessions
active this shall not be teared down. When all users A are logged off
the access for user B shall be opened again.
>
> Is it possible to configure this?
>
> Best Regards
> Erling Bjontegard
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