03-06-2008
Change your topology, and be paranoid
1- I highly recommend that you change your topology, if you really want to use Linux to do your LAN traffic monitoring and administration.
If any PC wants to access the outside world, they need to go through :
#No. of PCs(Windows)-----> LAN switch ----->Linux LAN card to the switch--->Linux server ----->Linux LAN card to the router ------> Router------>outside world.
2- You can enable (on Linux) WINE, VNC to launch task manager on any of the clients.
3- You can enable SMB on Linux to be able to "see" anything on the PCs.
4- You can enable VLAN's on your switch.
5- You can enable SELinux (Unless you have SuSE or Slackware, then you cannot do that)
6- You can enable Proxy server on Linux, which can give you a few reports on its own.
7- You can enable IP Tables on Linux (A Linux firewall, very powerful), more reports.
8- You can add another small 4 port switch between the Linux server and the router, then fork from one of the witches ports to a bastion host (If you have a website hosted locally for Interanet purposes)
9- Finally (Call me cynical, but I've learned the hard way) You can go to insecure dot org to shop for any security tools that you would like to add (I highly doubt that you'll need much from there if you do the above first, but just in case you have one or two molls in your network. You'll never know unless you dig, so better safe than sorry)
Good luck
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LEARN ABOUT SUNOS
wireless
WIRELESS(7) Linux Programmer's Manual WIRELESS(7)
NAME
wireless - Wireless Tools and Wireless Extensions
SYNOPSIS
iwconfig
iwpriv -a
DESCRIPTION
The Wireless Extensions is an API allowing you manipulate Wireless LAN networking interfaces. It is composed of a variety of tools and
configuration files. It is documented in more detail in the Linux Wireless LAN Howto.
The Wireless Tools are used to change the configuration of wireless LAN networking interfaces on the fly, to get their current configura-
tion, to get statistics and diagnose them. They are described in their own man page, see below for references.
Wireless configuration is specific to each Linux distribution. This man page will contain in the future the configuration procedure for a
few common distributions. For the time being, check the file DISTRIBUTIONS.txt included with the Wireless Tools package.
DEBIAN 3.0
In Debian 3.0 (and later) you can configure wireless LAN networking devices using the network configuration tool ifupdown(8).
File : /etc/network/interfaces
Form : wireless-<function> <value>
wireless-essid Home
wireless-mode Ad-Hoc
See also :
/etc/network/if-pre-up.d/wireless-tools
/usr/share/doc/wireless-tools/README.Debian
SuSE 8.0
SuSE 8.0 (and later) has integrated wireless configuration in their network scripts.
Tool : Yast2
File : /etc/sysconfig/network/wireless
/etc/sysconfig/network/ifcfg-*
Form : WIRELESS_<function>=<value>
WIRELESS_ESSID="Home"
WIRELESS_MODE=Ad-Hoc
See also :
man ifup
info scpm
ORIGINAL PCMCIA SCRIPTS
If you are using the original configuration scripts from the Pcmcia package, you can use this method.
File : /etc/pcmcia/wireless.opts
Form : *,*,*,*)
ESSID="Home"
MODE="Ad-Hoc"
;;
See also :
/etc/pcmcia/wireless
File PCMCIA.txt part of Wireless Tools package
AUTHOR
Jean Tourrilhes - jt@hpl.hp.com
http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/
SEE ALSO
iwconfig(8), iwlist(8), iwspy(8), iwpriv(8), iwevent(8).
wireless-tools 4 March 2004 WIRELESS(7)