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Introduction To The ISDN Protocol
ISDN (Integrated Services Digital Network) is a digital telephone standard designed to replace analogue connections by utilising ordinary copper wires that are used in standard analogue telephone sys…
Dealing with Security Audit Challenges: Discoveri…
The utilization of log analyzers, such as Firewall Analyzer, in network infrastructure plays a pivotal role in enhancing cybersecurity and fortifying the overall security posture of an organization…
Configuring Linux Samba (SMB) - How to Setup Samb…
Resource sharing, like file systems and printers, in Microsoft Windows systems, is accomplished using a protocol called the Server Message Block or SMB. For working with such shared resources over a…
Cisco ASA 5500 Series Firewall Modules & Cards –…
Cisco’s Adaptive Security Appliance (ASA) Firewalls are one of the most popular and proven security solutions in the industry. Since the introduction of the PIX and ASA Firewall into the market, Cisc…
How to Detect SYN Flood Attacks with Capsa Networ…
This article explains how to detect a SYN Flood Attack using an advanced protocol analyser like Colasoft Capsa. We’ll show you how to identify and inspect abnormal traffic spikes, drill into captured…
Free Webinar: Migrating from Hyper-V to VMware
If your organization is planning to migration from a Hyper-V virtualization environment to VMware then this FREE webinar is just for you.
Aimed toward Hyper-V and VMware admins this webinar will cov…
Early Communication Technology - Morse Code and E…
We tend to think of digital communication as a new idea but in 1844 a man called Samuel Morse sent a message 37 miles from Washington D.C. to Baltimore, using his new invention ‘The Telegraph’. This…
Static NAT - Part 1
Static NAT (also called inbound mapping) is the first mode we're going to talk about and also happens to be the most uncommon between smaller networks.
Static NAT was mainly created to allow hosts o…
OSPF - Part 4: OSPF Neighbor States – OSPF Neighb…
This is the third article of our OSPF series which analyzes the different OSPF States routers go through during the OSPF discovery and neighbor forming process. We analyze OSPF states (Init state, 2-…
Hybrid Routing Protocols - Advantages and Disadva…
Hybrid routing protocols are a combination of distance-vector and link-state routing protocols, and are used to provide a more efficient and scalable routing solution in larger networks. These…
USB Direct Cable Connection, USB Versions, Specif…
Today, Serial and Parallel Direct Cable Connections are considered obsolete methods of transferring data between computers. The fact is that even USB Direct Cable Connection (DCC), is not all that po…
OSPF - Part 5: Analysis of OSPF Link State Update…
This article explains how OSPF uses Link State Advertisement (LSA) to exchange information about the network topology between routers. When a router receives an LSA, it is stored in the Link-State Da…
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