Cacti is a popular open source networking tool that is web based, and it is used both for network monitoring and graphing. In my work environment we use Cacti extensively to mainly monitor bandwidth on interfaces of switches etc. It is a complex tool to learn but very powerful. With Cacti you can poll services, […]
25 Best Open Source & Free Network Monitoring Tools (Guide)
As network engineers and administrators, we mostly focus on managing and configuring hardware devices such as routers, switches, firewalls, load balancers etc. We rarely deal with software management tools which are equally important in a corporate network. Without knowing the health, performance, availability and quality of your network is like running with closed eyes. Network […]
Best Network Bandwidth Monitoring Software for Traffic Usage Monitoring
As network engineers we are usually assigned various tasks related to the life-cycle of networks, starting from the initial design, procurement, installation of network equipment and then management and monitoring of existing networks. In the latter phase (management and monitoring of networks) we are constantly faced with major or minor problems such as links going […]
18 Network Simulation Software Tools for Certification Practice or Research
Network simulation tools allow students (e.g people studying for Cisco Exams) to easily learn the core concepts of computer networking and TCP/IP in general. Even professionals could benefit from these tools by simulating network environments and get an idea of how a network will work before actual implementation. Moreover, system administrators could use them as […]
13 Best Firewall Management Software Tools for Rules and Policies
Firewall management is one of the most challenging aspects of enterprise network security. The main issue is that many enterprise networks are complex, they contain a blend of many different vendors and technologies and this makes it time-consuming and difficult to maintain and support. The big hardware firewall vendors (like Cisco, Checkpoint, Fortinet, Palo Alto […]
13 Best Syslog Server Software (Free & Paid) for Windows/Linux
Syslog is the De Facto standard used in Networks for sending/receiving Log messages from IT systems, network devices, hosts etc. The Syslog protocol runs over port UDP 514 and is based on the IETF RFC 5424 standard. Almost all network connected devices (routers, switches, firewalls, Unix systems, Windows systems etc) support the Syslog protocol for […]
14 Best IP Address Management (IPAM) and DDI Software/Tools
In my enterprise work environment, our corporate private and public network spans across many buildings and locations and uses thousands of private IP addresses (in the range specified by RFC1918) and hundreds of public IPs as well. How do we handle the management of such a huge address space? The secret is an IPAM (IP […]
11 Best Network IP Sniffing Software Tools (Free&Paid)
A network sniffer, or packet sniffer, is a specialized software (or even a hardware device) that listens in over a network and records the IP packets of data that travel through it. Many network administrators use these tools to determine the efficiency of a network, to troubleshoot communication problems, to identify common network bottlenecks etc. […]
10 Best Free Log Analysis & Management Tools for Networks, Security, App Logs
Log management and log analysis tools play a vital role in maintaining healthy and secure systems and network infrastructure. Logs provide “visibility” into what is going on in your network and systems, both from the operational perspective but also from the security perspective as well. Comprehensive logging involves the recording of statuses and events from […]
Icinga vs Zabbix vs Nagios – Comparison of IT/Network Monitoring Tools
Nagios, Zabbix and Icinga are three of the most popular software tools for network monitoring and management. These tools have a plethora of features and characteristics but their core purpose is to provide visibility into your network and IT systems by monitoring the health, performance, utilization etc of your critical infrastructure components. All three are […]
10 Best Network Troubleshooting Software Tools (Free&Paid)
As a network engineer, you will be spending almost half of your time in troubleshooting issues arising in the network or solving problems related to IT and network conditions. Although there are several Windows or Linux commands that you can use on host computers to check for various connectivity issues, a professional should have a […]
10 Best Free&Paid WiFi Heatmap Software for Wireless Site Survey
WiFi is an incredibly useful communication protocol that is widely used. In fact, it’s the de facto standard used to create wireless networks in homes, businesses, public spaces etc. However, it’s not uncommon for signal strength to degrade due to a variety of factors, including distance from the access point, obstacles, competing WiFi signals, and […]
12 Top Open Source Port Scanners for Windows for Host Discovery
Although I have been a TCP/IP networking professional for decades, in the last 10 years I’m also involved in network security as well. One of the tasks I’m responsible to do in my work environment is to either coordinate or perform network assessment projects on my own. A major part of a network security assessment […]