Secure IT Structure services, Network, Server & Application Management Service

Technology Focus


Type of Databases
  • Oracle 9i
  • Oracle 10g
  • Oracle11g
  • Microsoft SQL Server 2000(Personal Edition, Developer Edition, Enterprise Edition)
  • Microsoft SQL Server 2005(Developer Edition, Standard Edition, Enterprise)
  • Microsoft SQL Server 2008(Developer Edition, Standard Edition, Enterprise Edition, Web Edition)
  • MY SQL
  • Firebird
  • Interbase
  • Paradox
  • DB2
  • MS Access
VPN Connections
  • IP SEC (Internet Protocol Security)
  • PPTP (Point-to-point tunneling protocol)
  • SSL VPN through Citrix
  • L2TP (Layer 2 Tunneling Protocol)
Types of Firewall
  • Cisco PIX 501
  • Cyberoam
  • Fortigate
  • Sonicwall
Server Operating Systems
  • Microsoft Windows Server 2008 (Standard Edition, Enterprise Edition, Data Centre Edition)
  • Small Business Server 2008
  • Microsoft Windows Server 2003 R2 (Standard Edition, Enterprise Edition, Data Centre Edition)
  • Small Business Server 2003 R2
  • Microsoft Windows Server 2003 (Standard Edition, Enterprise Edition, Data Centre Edition)
  • Small Business Server 2003
  • Microsoft Windows Server 2000
  • Microsoft Windows NT Server
  • Red Hat Enterprise Linux 4.0
  • Red Hat Enterprise Linux 5.0
  • MAC OS X 10.4.0
  • MAC OS X 10.5.0
  • Ubuntu Linux
  • Suse Linux
  • Fedora Linux
Type of Servers
  • Dell PowerEdge R300 Rack-Mount
  • IBM Blade Server
  • HP ML150 G2 and G3
  • IBM X Series Server
Microsoft Technologies
  • SharePoint Server 2007
  • SharePoint Server 2003
  • Project Server 2007
  • Project Server 2003
  • Windows XP Embedded
  • BizTalk Server2006 R2
  • BizTalk Server 2006
  • BizTalk Server 2004
  • BizTalk Server 2002
  • Exchange Server 2007
  • Exchange Server 2003
  • ISA Server 2006
  • ISA Server 2004
  • Office Communication Server 2007
  • Live Communication Server 2005
  • Live Communication Server 2003
  • System Management Server 2003R2
  • System Management Server 2003
Virtual Machine OS
  • Microsoft Windows Vista (Ultimate, Enterprise, Standard, Business, Home Premium)
  • Microsoft Windows XP SP2 (Home Edition, Professional Edition)
  • Microsoft Windows Media Centre Edition
  • Microsoft Windows 2000
  • Microsoft Windows 98
IP SEC (Internet Protocol Security)

IPSec protocols operate at the network layer, layer 3 of the OSI model. Other Internet security protocols in widespread use, such as SSL, TLS and SSH, operate from the transport layer up (OSI layers 4 - 7). This makes IPSec more flexible, as it can be used for protecting layer 4 protocols, including both TCP and UDP, the most commonly used transport layer protocols. IPSec has an advantage over SSL and other methods that operate at higher layers: an application doesn't need to be designed to use IPSec, whereas the ability to use SSL or another higher-layer protocol must be incorporated into the design of an application.

IPSec is a framework of open standards that provides data confidentiality, data integrity, and data authentication between participating peers. IPSec provides these security services at the IP layer; it uses IKE to handle negotiation of protocols and algorithms based on local policy and to generate the encryption and authentication keys to be used by IPSec. IPSec can be used to protect one or more data flows between a pair of hosts, between a pair of security gateways, or between a security gateway and a host.
PPTP (Point-to-point tunneling protocol)

PPTP works by sending a regular PPP session to the peer with the Generic Routing Encapsulation (GRE) protocol. A second session on TCP port 1723 is used to initiate and manage the GRE session. PPTP is difficult to forward past a network firewall because it requires two network sessions. As such, some firewalls are unable to let pass this traffic flawlessly, resulting in an inability to connect. This rarely happens in Windows or Mac OS, though.
SSL VPN through Citrix

The protocol was developed by a vendor consortium formed by Microsoft, Ascend Communications (today part of Lucent/Alcatel), 3COM, and others, as described by the RFC document.
L2TP (Layer 2 Tunneling Protocol)

L2TP acts like a data link layer (layer 2 of the OSI model) protocol for tunneling network traffic between two peers over an existing network (usually the Internet). L2TP is in fact a layer 5 protocol session layer, and uses the registered UDP port 1701. The entire L2TP packet, including payload and L2TP header, is sent within a UDP datagram. It is common to carry Point-to-Point Protocol (PPP) sessions within an L2TP tunnel. L2TP does not provide confidentiality or strong authentication by itself. IPsec is often used to secure L2TP packets by providing confidentiality, authentication and integrity. The combination of these two protocols is generally known as L2TP/IPsec.

The two endpoints of an L2TP tunnel are called the LAC (L2TP Access Concentrator) and the LNS (L2TP Network Server). The LAC is the initiator of the tunnel while the LNS is the server, which waits for new tunnels. Once a tunnel is established, the network traffic between the peers is bidirectional. To be useful for networking, higher-level protocols are then run through the L2TP tunnel. To facilitate this an L2TP session (or call) is established within the tunnel for each higher-level protocol such as PPP. Either the LAC or LNS may initiate sessions. The traffic for each session is isolated by L2TP, so it is possible to set up multiple virtual networks across a single tunnel. MTU should be considered when implementing L2TP.
Cisco PIX 501

The Cisco PIX 501 is a compact, ready-to-use security appliance that delivers enterprise-class security for small offices and enterprise teleworker environments.

The PIX 501 includes an integrated 4-port Fast Ethernet (10/100) switch and a Fast Ethernet (10/100) interface. Ideal for securing high-speed broadband environments, the Cisco PIX 501 delivers up to 60 Mbps of firewall throughput, 3 Mbps of Triple Data Encryption Standard (3DES) VPN throughput, and 4.5 Mbps of Advanced Encryption Standard-128 (AES) VPN throughput.

Cyberoam, a division of Elitecore, is a leading innovator of identity-based Unified Threat Management appliances offering a comprehensive range of security features, including identity-based firewall, VPN, gateway antivirus, gateway anti-spam, intrusion prevention system, content filtering, as well as bandwidth management and multiple link management - all over a single platform. Cyberoam offers robust Internet security to corporations, educational institutions and government organizations worldwide.

The FortiGate includes a four-port switch, dual DMZ interfaces, and dual WAN ports for redundant Internet connectivity. It's loaded with options, including a DHCP server that can be configured on a per-interface basis, virtual domain support, granular routing, firewall scheduling, antivirus, antispam, and intrusion prevention.
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