TIPS N TRICKS PARADIGM

  A virtual private network (VPN) protects your data and identity over public networks, like the Internet and wireless hotspots. Various protocols are used to create an encrypted tunnel that transports data securely. While a firewall may protect the data on your computer, a VPN will protect your data on the Internet. The goal of a VPN is to implement the same level of security provided by private networks at substantially lower costs.   Why use a VPN? Most VPN's are used to add security. Today's world is evolving quickly and the security pitfalls of modern conveniences are often ignored. Public WIFI hotspots, common in airports and coffee shops, are a hackers dream because they offer streams of visible data waiting to be mined. Using a VPN keeps your information secure. Deep Packet inspection is another growing concern. Many ISPs would like to analyze statistics from your online activities for marketing and routing purposes. Using a VPN thwarts efforts to conduct dee...

Samba Configuration There are four things that one can do with samba: Share a Linux drive with   Microsoft windows machines Share a windows drive with   Linux   machines Share a Linux printer with   Microsoft windows machines Share a windows printer with   Linux machines Web Based Samaba Configuration Tool To configure from web or browser , there is a tool SWAT. SWAT – Samab Web Administration Tool It works through xinetd.conf. 1. Go to /etc/xinetd.d/ and edit swat. 2. Change the key word                 only_from = host_name like linux1 or 192.168.1.1 3. Kill and run xinetd daemon 4. Go to /etc/httpd/conf/httpd.conf                 Change the following   tag                ...

   PPP dial-in and dial-out server configuration  ISP Connectivity ISP connectivity is one type of serial connection. TCP/IP runs over a wide varity of physical media. The media can be Ethernet cables, as in your local Ethernet, or telephone circuits as in a wide area network. All most all data communications takes place via serial interfaces. A serial interface is just an interface that sends data as a series of bits over a single wire, it is just opposite of parallel interface that sends data bits in over several wires simultaneously. In TCP/IP world, dial-up serial connections are popular due to low cost. TCP /IP supports two types of serial line protocol : (1)Serial Lne Interface Protociol (SLIP) and (2)Point-to-Point Protocol(PPP). (1)SLIP: This protocol has some deficiencies, which fall into two categories: The SLIP protocol does not define any link control information that could be used to dynamically control the characteristics o...

Abstract The Windows Server 2008 Foundation Network Guide provides instructions on how to plan and deploy the core components required for a fully functioning network and a new Active Directory domain in a new forest. Using this guide, you can deploy computers configured with the following Windows server components: ·          The Active Directory Domain Services (AD DS) server role ·          The Domain Name System (DNS) server role ·          The Dynamic Host Configuration Protocol (DHCP) server role ·          The Network Policy Server (NPS) role service of the Network Policy and Access Services server role ·          The Windows Internet Name Service (WINS) feature ·          Transmission Control Protocol/Internet Protocol ver...

SAP - System Application & Products SAP is basically designed to create a common centralized database for all the applications running in all the departments in an organization. The kind of application you can manage includes - ·          Logistics ·          Finances ·          Reporting ·          HR etc. The original name for SAP was : Systeme, Anwendungen, Produkte (In German). The system comprises of a number of fully integrated modules, which covers virtually every aspect of the business management. The Key benefits of SAP are :- ·          It Eliminates the duplication and redundancy in data. ·          Increases productivity, efficiency and better management of resources. ·        ...