FreeBSD - Tutorials, Security
Home   Archives   Sitemap   About   Contact

Secure Unix shell account with auto-logout after seconds of inactivity - Idle TMOUT

Home NEW! Unix Forum News 100 Tips and Tricks Website Development Server Operating Systems Databases
 Ivorde.ROarrow Server Operating Systems arrowServer SecurityarrowSecure Unix shell account with auto-logout after seconds of inactivity - Idle TMOUT 

Article Sections

    Hello, Guest !
User name:
Password:
 
Google

 SSD VPS Hosting - Vpsie.com
 Mo.nitor.me
 Ivorde forum
 FreeBSD Tutorials
 Linux LVM Commands
 Free Shell Accounts
 FreeBSD Project
 FreeBSD Handbook
 Advanced Bash-Scripting Guide
 The OpenBSD Project
 Distrowatch
 FreeBSD Handbook


Apache Webserver Home Page

Posted on: 03 Jan 2008
Author: mandrei
Section: Server Operating Systems | Server Security
Views: 1136
Comments: 1 (Add)

Secure Unix shell account with auto-logout after seconds of inactivity - Idle TMOUT
How to secure unix shell, how to log you out after x seconds of inactivity (Idle).

 



Secure Unix shell account with auto-logout TMOUT environment variable

$ TMOUT=10
... after 10 seconds of inactivity ...
$ timed out waiting for input: auto-logout

After setting the TMOUT variable to x seconds your shell will log out after x seconds of inactivity (Idle).

To have TMOUT environment variable set for all users or only for you, add to /etc/profile or ~/.profile or ~/.bash_profile the following line:

$ vim /etc/profile
TMOUT=60 #or the number of seconds you want
/etc/profile [+]
-- INSERT --

Now press ESC and :x to save the file.

$ echo $TMOUT

$ . /etc/profile
$ echo $TMOUT
60

What I did was to add TMOUT=60 to /etc/profile. After saving the file, the variable TMOUT is not set, so my shell will not log out after 60 seconds of inactivity. In order to have this working I reloaded the settings in /etc/profile (by this command: . /etc/profile - notice the space between . and /etc/profile). Then I echoed again $TMOUT variable and there it was.

$ timed out waiting for input: auto-logout

I waited 60 seconds and my shell logged out because I was idle.

This was tested on FreeBSD, Red Hat running bash. I will soon test it on AIX 5.3 running bash and ksh. 

Bookmarks: Echo "Secure Unix shell account with auto-logout after seconds of inactivity - Idle TMOUT" around:
del.icio.usdiggFurlYahooMyWebGoogleBookmarksFaceBookTechnocratti
-------------------advertising-----------------

Other articles in Server Operating Systems / Server Security
» Substitute strings in files with perl, sed or vi(m)
» Creating/Adding (temporary) users on FreeBSD 6
» How to allow access to su to root on FreeBSD
» How to change Environment Variable $MAIL on FreeBSD box
» How to remount UNIX filesystems with one command




Contact webmaster regarding this article
Register or Login to post your article
Hello, Guest ! You can Login or Register to www.ivorde.ro!

 Post comment:

Name:
Title:
Comment:
Please type the word you see in the image (anti-spam verification). Refresh the page if you don't understand the word.
Allowed HTML Tags for comments:<p><strong><em><u><h1><h2><h3><h4><h5><h6><img><li>
<ol><ul><span><div><br><ins><del>

1 comment(s) to Secure Unix shell account with auto-logout after seconds of inactivity - Idle TMOUT:

1. Re: Secure Unix shell account with auto-logout after seconds of inactivity - Idle TMOUT
http://www.ircdnetworks.com by David V at August 20th, 2008 - 00:18
Always a good idea to have the best host.

   Latest topics on the forum:
 
   Most viewed articles:
How to copy a mysql database using mysqldump - 9375 views
How to change a user's password in AIX with the output from ECHO command - 8635 views
FreeBSD: Add/remove an additional IP alias - 5609 views
Qmail relay to smarthost: How to route all mail to a smarthost - 3929 views
Print queues in AIX 5L - How to list print queues in AIX - 2884 views

   Latest 10 articles:
Qmail relay to smarthost: How to route all mail to a smarthost - 03 Feb 2009
EXIM 4 relay to smarthost: How to route all mail except local domain - 03 Feb 2009
Windows XP: print LISTEN ports and network connections using netstat - 30 Jan 2009
How to cut out first last n characters from each file name, from a filelist - 04 Nov 2008
Mozilla Firefox3 is now released - 18 Jun 2008
How to switch lower case to upper case and upper case to lower case in a string - 17 Jun 2008
How to rename files/directories to uppercase/lowercase character names - 17 Jun 2008
How to convert lower case to upper case letters in a shell script/command - 17 Jun 2008
Unix,Linux,FreeBSD - How to rename a list of files, replacing spaces inside their names - 12 Jun 2008
How to change a user's password in AIX with the output from ECHO command - 21 May 2008


Archives
» 2007  |  June  |  October  |  November  |  December
» 2008  |  January  |  February  |  March  |  April  |  May  |  June  |  November
» 2009  |  January  |  February



Home | Archives | Sitemap | About | Contact

Designed and developed by Andrei Manescu. Optimized for Mozilla Firefox.  
Copyright 2007 Andrei Manescu
All trademarks and copyrights on this page are owned by their respective owners. Comments are owned by those who posted them.
Valid W3 Document Valid XHTML 1.0 Transitional Valid CSS! The FreeBSD Project Viewable With Any Browser