Networking / System

/sbin/ifconfig eth1:1 202.141.240.174 netmask 255.255.255.248 /sbin/ifconfig eth1:1 up /sbin/iptables -t nat -A PREROUTING -j DNAT -d 202.141.240.174 --to-destination 192.168.0.22 /sbin/iptables -t nat -A POSTROUTING -j SNAT -s 192.168.0.22/32 -d 0/0 --to-source 202.141.240.174 Another useful link http://home1.gte.net/res0psau/security/nat-on-linux.html http://www.cyberciti.biz/faq/linux-demilitarized-zone-howto/

You have configure Kerberos and Winbind to join Active Directory. Configure Samba to use ADS in globals [global] workgroup = ******* realm = ******.COM.PK server string = ***** security = ADS map to guest = Bad Uid password server = ip adrress of Domain Controller log file = /var/log/samba/log.%m max log size = 50 idmap uid = 100000-200000 idmap gid = 100000-200000 cups options = raw [homes] comment = Home Directories read only = No browseable = No [printers] comment = All Printers path = /var/spool/samba printable = Yes browseable = No [Test] path = /d/infopool valid users = rahat.khan, *******\Administrators, *****\rahat.khan admin users = ******\rahat.khan write list = ******\rahat.khan acl group control = Yes guest ok = yes

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Create Config File for vboxcontrol service script # mkdir /etc/virtualbox # touch /etc/virtualbox/machines_enabled The file “machines_enabled” located in “/etc/virtualbox” is where we list the names of the Guest VM’s that we want vboxcontrol to control. To get a list of your current Guest VM names execute the following command and notice the name is in ” “: $ VBoxManage list vms "Windows XP" {5087b02a-5816-4c76-b302-c13175623023} "Windows 7" {bcae660a-f627-46d6-8c95-9da97363eeea} "Windows 2008" {3907173c-cc15-4820-a930-f0bb3c13cb7e} Add Guest VM’s to “machines_enabled” include one VM name per line # vi /etc/virtualbox/machines_enabled Windows XP Windows 7 Windows 2008 Add VirtualBox VM Service script Create new init.d service script file and give execute permissions # touch /etc/init.d/vboxcontrol # chmod 755 /etc/init.d/vboxcontrol Copy the following code into file “/etc/init.d/vboxcontrol” #! /bin/sh # vboxcontrol Startup script for VirtualBox Virtual

PacketFence is a fully supported, trusted, Free and Open Source network access control (NAC) system. Boasting an impressive feature set including a captive-portal for registration and remediation, centralized wired and wireless management, 802.1X support, layer-2 isolation of problematic devices, integration with the Snort IDS and the Nessus vulnerability scanner; PacketFence can be used to effectively secure networks - from small to very large heterogeneous networks. PacketFence