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Free Web Application Vulnerability Report (2019)…
Acunetix has just released their annual Web Application Vulnerability report which aims to provide security professionals, web application developers, system administrators, web server administrators…
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…
The DNS Protocol - Part 4: DNS Response Message F…
The previous article covered the DNS Query message formats. In the article we analysed them in great detail and showed how various options are selected by the host using the Flags/Parameters field.&n…
How to Detect Routing Loops and Physical Loops wi…
When working with medium to large scale networks, IT departments are often faced dealing with network loops and broadcast storms that are caused by user error, faulty network devices or incorrect con…
How To Upgrade Cisco - Linksys SPA8000 Firmware
The Cisco - Linksys SPA8000 is an 8-port IP Telephony Gateway that allows connections for up to eight analog telephones (provides 8 FXS ports) to a VoIP network using the Session Initiation Protocol…
Free Hyper-V eBook - Create, Manage and Troublesh…
With the introduction of Hyper-V on the Windows Server platform, virtualization has quickly become the de facto standard for all companies seeking to consolidate their server infrastructure. While we…
IPv6 - Analysing the IPv6 Protocol Structure and…
As discussed in the previous tutorial, we were made painfully aware that we were running out of IP address spaces and literally did in 2011. A new proposal or RFC was released for creation of a new…
The OSI Model: Layer 1 - Physical Layer
The Physical layer has two responsibilities: it sends bits and receives bits. Bits come only in values of 1 or 0. The Physical layer communicates directly with the various types of actual communicati…
Complete Guide to SOCKS Proxy - How to Securely B…
The internet is in a strange place right now. It’s no longer the open, free place it used to be. Increasingly, users are being subject to website blocks, attacks, and surveillance. For true safety or…
Troubleshooting Cisco VPN Client Windows 7 - How…
This article shows how to fix the Cisco VPN Reason 442: Failed to enable Virtual Adapter error on the Windows 7 (32bit or 64bit) operating system. If you are a Windows 7 user, it's most likely you've…
Cisco ASA 5500-X Series Firewall with IPS, ASA CX…
The Cisco ASA Firewall 5500-X series has evolved from the previous ASA 5500 Firewall series, designed to protect mission critical corporate networks and data centers from today’s advanced security th…
VTP Protocol - In-Depth Analysis
The previous article introduced the VTP protocol, we examined how it can be used within a network, to help manage VLANs and ease the administrative overhead, providing a stress-free VLAN environment…
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