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VPN Services & Guides

Anonymous Browsing – Internet Privacy. Securing Y…

Despite what some think, the internet is not private. Anonymous browsing and Internet Privacy are almost non-existent in today's online world. Websites collect personal information on every visit wit…

OpManager - Network Monitoring & Management

Ensuring Enterprise Network Readiness for Mobile…

Demands for Enterprise networks to properly support mobile users is on a continuous rise making it more than ever necessary for IT departments to provide high-quality services to its users. This arti…

Cisco Routers

Configuring NAT Overload On A Cisco Router

NAT (Network Address Translation) is a method that allows the translation (modification) of IP addresses while packets/datagrams are traversing the network. NAT Overload, also known as PAT (Port Addr…

VPN Services & Guides

Best VPN Review: StrongVPN. Download Speed Τest…

StrongVPN is one of the most popular VPN service around the world. With a presence in over 23 countries,+650 servers, cheap prices, Strong Encryption and blazing fast download speeds – it rightf…

Cisco CallManager-CCME

How to Register Cisco IP Phones & Connect CallMan…

This article shows how to connect Cisco's Unified CallManager with a CallManager Express system (including UC520, UC540 and UC560) via H323 gateway, allowing the two systems to route calls between ea…

Cisco Firewalls

Cisco ASA Firepower Threat Defense (FTD): Downloa…

One Appliance – One Image is what Cisco is targeting for its Next Generation Firewalls. With this vision, Cisco has created a unified software image named “Cisco Firepower Threat Defense”. In t…

Windows Servers

How to Install Desktop Icons (Computer, User’s Fi…

One of the first things IT Administrators and IT Managers notice after a fresh installation of Windows 2012 Server is that there are no Desktop Icons apart from the Recycle Bin. Desktop icons such as…

Cisco Routers

Cisco Type 7 Password Decrypt / Decoder / Crack T…

The Firewall.cx Cisco Password Decoder Tool (see below) provides readers with the ability to decrypt 'Type 7' cisco passwords. For security reasons, we do not keep any history of decoded passwords…

Ethernet Protocol, CSMA/CD, Collisions

The IEEE 802.3 Frame Format

The following is a description of the Ethernet Frame Format described in the IEEE 802.3 Specification. The 802.3 Specification defines a 14 byte Data Link Header followed by a Logical Link Control He…

Web Application Vulnerability Scanners

Differences between Network & Web Application Sec…

According to Wikipedia, security is defined as the degree of resistance to, or protection from, harm. It applies to any vulnerable and valuable asset which in almost all cases, will include an organi…

Cisco Services & Technologies

Fix Cisco VPN Client Break After Windows 10 Anniv…

Windows 10 latest update 1607 code named Anniversary update promises to introduce a number of significant enhancements including breaking your trustworthy Cisco IPSec VPN client. After installing the…

Linux - Unix

Configuring Linux to Act as a Firewall - Linux IP…

What exactly is a firewall? As in the non-computer world, a firewall acts as a physical barrier to prevent fires from spreading. In the computer world too, the firewall acts in a similar manner, only…