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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…
Wireless (Wifi) WEP WPA WPA2 Key Generator
The Firewall.cx Wireless LAN Key Generator will allow the generation of a WEP or WPA ASCII based encryption key and will provide the equivalent HEX or ASCII string so it can be inserted directly i…
Windows 2012 Server Foundation, Essential, Standa…
FREE Hyper-V & VMware Virtualization Backup: FREE for Firewall.cx readers for a Limited Time! Download Now!
Windows Server 2012 Editions
On the 1st of August, 2012 Microsoft releas…
What is CSMA/CD ?
CSMA/CD stands for Carrier Sense Multiple Access with Collision Detection. It refers to the means of media access, or deciding "who gets to talk" in an Ethernet network.
A more elegant term for "who…
Working with Linux TCP/IP Network Configuration F…
This article covers the main TCP/IP network configuration files used by Linux to configure various network services of the system such as IP Address, Default Gateway, Name servers - DNS, hostname and…
The Network Address Translation Table
After that simple and informative introduction to the NAT concept, it's time to find out more about how it works and this is where the NAT table comes in.
The Network Address Translation (NAT) Table…
Cisco Unity Express Installation & Setup - ISM-SR…
Unity Express is a popular add-on for Cisco Unified Communication Manager Express (CallManager Express) and Cisco Unified Communication Manager (CUCM), adding advanced auto attendant functionality wi…
Understanding VPN IPSec Tunnel Mode and IPSec Tra…
IPSec’s protocol objective is to provide security services for IP packets such as encrypting sensitive data, authentication, protection against replay and data confidentiality.
As outlined in our IP…
Installation and Configuration of Linux DHCP Serv…
For a cable modem or a DSL connection, the service provider dynamically assigns the IP address to your PC. When you install a DSL or a home cable router between your home network and your modem, your…
Introduction to Content Switching - Application &…
Content switches (also sometimes called application switches) is a class of network device that is becoming increasingly common in medium to large sized data centres and web-facing infrastructures…
Propagation Delay
You may know that the minimum frame size in an Ethernet network is 64 bytes or 512 bits, including the 32 bit CRC. You may also know that the maximum length of an Ethernet cable segment is 500 meters…
Advanced Network Protocol Analyzer Review: Colaso…
Firewall.cx has covered Colasoft Capsa several times in the past, but its constant improvements make it well worth revisiting. Since the last review, the version has bumped from 7.6.1 to 11.1.2+, kee…
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