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Latest From Blog

Network Problems? 7 Diagnostic Tricks and Simple Fixes

Network Problem

Several things can go wrong while using a computer. The most frustrating and annoying is network issues. What is even more frustrating is that you cannot look for solutions while you are offline. Therefore, we have got you a list of diagnostic tricks and fixes to get you through network connectivity issues. So the next time you are having network issues, try the following steps. Move on to the next step if the previous one does not solve the problems.
Meanwhile, it is also essential to make sure that the issue is with the network. Often, the problem also lies on the website’s end. Some of the diagnostic tricks and fixes are:

1. Restart Everything and Check Other Devices –

Restarting usually fixes several issues and should be the first response to network issues. You should start by restarting your PC, modem and router. Waiting for a minute before turning it on helps clear the router and modem. Doing this ensures that it is not a temporary network issue. Eventually, you can connect it to another device to narrow down to the possibility of whether there is a network issue or an issue with the system.

2. Check Physical Connections –

If the network problem persists even after rebooting, the next step is to check the connections physically. You have to make sure that the cable that connects to the router is not damaged or unplugged. The next thing is to check if the lights on the modem are flashing normally. If the modem has the power light on but the connection light off, it is likely that your ISP has a disruption.

Connection

3. Run the Network Troubleshooter –

Windows include in-built trouble-shooters that find and fix the issues automatically. Once you switch on the trouble-shooter, it can either find the problem and fix it, find the problem but not fix it or not find anything at all.

4. Check for a Valid IP Address –

The next step is to verify where the problem is occurring. It is advisable to check through your IP settings to see if the problem might be a result of a fault in the IP settings. You can check to see if the server is giving a valid IP address.

5. Ping and Trace its Route –

When you configure your IP address, and the IP address starts with anything other than 169, it is a valid IP address. Therefore, you can type ‘ping 8.8.8.8’ to ping Google’ DNS servers. The ‘tracert 8.8.8.8’ command gives you a step-by-step breakdown of the information path. You can monitor it to see where the problem occurs.

 

6. Contact Your ISP –

After the above steps, you know that your system is working and you are getting a valid IP address. So, your best option is to contact your ISP to find out if the providers are having an issue.

7. Wait it Out –

Once you have informed your ISP of the problem, you can wait for the problem to be fixed. Often, the network issues can’t be fixed by you and need professionals at the end of your ISP to fix it.

The 5 Different Types of Firewalls

Firewall

The early internet systems administrators realised that they were being attacked frequently. This gave birth to the network firewall. There was a necessity to come up with a process that alerted against sins of attack. The firewall filters out unwanted network traffic and keeps the internal network safe. Firewall often provides protection beyond firewall function such as intrusion detection and maintaining the servers and other devices within the private network secure. However, the main emphasis should not be on the multi-function ability of the firewall. Instead, the focus should be on whether or not it will successfully protect the private network from external threats. Firewall type aside; it’s always advisable to engage in best practices when connected to public Wi-Fi. Best The five different types of firewall are mentioned below:

1. Packet Filtering Firewall –

The packet filtering firewall operates at the junction points where routers perform their function. However, the firewalls do not route packets. Instead, they compare each of the packets received to a set of established criteria. These criteria include the allowed IP addresses, port number, packet type etc. The packets that are tagged as troublesome are dropped and not forwarded.

Circuit-level Gateway

2. Circuit-level Gateway –

The circuit-level gateway is another quick way to identify threats as they monitor TCP handshakes and other network protocol session initiation messages across the network. This firewall is established between the local and remote hosts to determine whether or not the session being initiated is legitimate. The firewall does not inspect the packets.

3. Stateful Inspection Firewall –

The stateful inspection firewall, however, examine each packet. Moreover, it also keeps track of whether or not the packet is a part of an established TCP or any other network session. This offers greater security but also, at the same time exacts a higher toll on the performance of the network. Another variant of the stateful inspection firewall is the multilayer inspection firewall. This firewall takes into account the flow of transaction across multiple layers of the Open Systems Interconnection.

Application-level Gateway

4. Application-level Gateway –

This firewall, sometimes called a proxy firewall, combines some features of the packet filtering firewall and the circuit-level gateway firewall. Apart from filtering packets according to the service they are intended for, they also filter by other characteristics such as HTTP request string.

5. Next-generation Firewall –

A typical next-generation firewall system combines packet inspect with stateful inspection, deep packet inspection and other network security systems such as antivirus, malware filtering, intrusion detection and prevention. A deep packet inspection looks at the data that the packets are carrying.

All About Routing and Switching

Routing

When it comes to business, there are plenty of aspects that cover a majority of the functions so that it can promote the concept of a smooth transition. The central part that supports the cause is networking, and that makes all the difference. Business networks encourage the idea of communication, as that is the ideal goal. Communication revolves around sending and receiving relevant information that makes the functions faster and easier. Another significant part that assists this idea is routing and switching. So, to help you get started here is all that you need to know about Routing and Switching.

The Introduction

Routing and Switching are two pieces of equipment that makes everything possible. When these devices are connected, it forms the network, and things tend to move further into a progressive phase. But Routing and Switching do have specific purposes, and you need to learn them in detail to understand them.

1. Switching

Switches are used to connect numerous devices into the same network that usually fall under the same building or a specific geographical extent. This switch can connect your computer, servers, printers and a lot more, thereby creating a wave of connectivity. The central part here is played by the switch, as it serves the purpose of being a controller. By using this specific controller, you can vary functions and have the power to maintain every single device under the network

Router

2. Routers

Routers, on the other hand, are used to connect numerous networks together. You can connect the networked computer to a router and you are provided with an internet connection. This further enhances productivity, as information will be at your fingertips. For business organisations, this is highly essential as the number of activities that you do at a time, require the right kind of features.

The Benefits

As mentioned earlier, routing and Switching provide a lot of benefits to business, and it varies depending upon the nature of the business. One of the biggest uses that it provides is the ability to share information and enhances the speed to access information. This also helps customer service, as their needs and requirements will be met with the right kind of action. Your network will be shared, and you need not worry about security since such access is granted only to a particular set of people. When you sum up these further, you can understand and evaluate the kind of flexibility that it brings to the table. In the end, you and your business will be benefited, and objectives will be closer. So, if you are looking for ways to enhance productivity, then look no further, as the right set of answers are here.