Name: Clustered Networks Inc.
Address: Nanaimo, BC, V9T 0M2
Price range: $50 - $500

How to Check your Server for the Apache Java Log4j Vulnerability

Posted in Linux Network Admin Tips, Network Security Tips, Tech How To on Dec 13, 2021

How to Check your Server for the Java Log4j Vulnerability (CVE-2021-44228). The Apache Log4j is a serious vulnerability. If someone sends the library a command in the form of a special string of characters tucked within that data, instead of just logging that information, log4j will execute it as though it is code in a program. This is a serious flaw and you need to check to see if your server(s) are vulnerable.
Common DNS DKIM SPF DMARC Errors

Posted in Linux Network Admin Tips, Network Security Tips, Tech How To on Dec 13, 2021

Managing your DNS, DKIM, SPF, and DMARC records can be a daunting task, especially if you are looking for an error in your configuration that can effect the flow of Email for your Domain. Today I am going to walk through each of these settings and take a look at some of the common errors, that can be overlooked very easily.
Tech Support - Users Cannot Print - Common Printer Problems

Posted in Libreoffice Tips, Linux Network Admin Tips, Network Security Tips, Tech How To on Nov 30, 2021

I must have heard this a million times! I cannot print! This video and blog article will show you to to fix a few of the most common solutions to one of the most common tech support questions. Finding the Printer! Two of the most common problems are that, (1) your printer is set for DHCP and uses a dynamic IP address, and (2) your printer is set to use WIFI rather than a hardwire ethernet cable.
Clone / Copy Bootable USB Keys (TrueNAS or XigmaNAS)

Posted in Linux Network Admin Tips, Network Security Tips, Tech How To on Nov 19, 2021

TrueNAS (formerly FreeNAS) and XigmaNAS are great NAS servers for your Home and/or Office environment. One of the problems is that both of these NAS Servers recommend you to use a USB key to boot and then configure your drives as storage only in whatever RAID or Non-RAID configuration you wish. What if the USB boot device fails? It would be nice if you could make a copy of the USB bootable device, and to do so automatically rather than making them manually. You can! Thanks to the script we have developed using the dd command.
How to Perform a Security Audit of your Website

Posted in Linux Network Admin Tips, Network Security Tips, Tech How To on Oct 19, 2021

Today we see more and more websites being compromised, therefore it is vital that you do some sort of Security Audit to see if your Website or Webserver is vulnerable to hackers. There are two routes you can take depending on your budget. You can pay a professional firm to do the audit or you can do a basic security check yourself using FREE tools that are readily available on the Internet.
How to Implement Security HTTP Headers

Posted in Linux Network Admin Tips, Network Security Tips, Tech How To on Oct 08, 2021

Today more and more websites are getting compromised and vital important data is being exposed to hackers. Most of this is due to misconfiguration or lack of protection from the hosting company or a web designer that just wants to make the site work. If you are a website owner ensure that your webdesigner and server administrator protects your website from Clickjacking, code injection, MIME types, XSS (cross-site scripting), etc.
Allow only Cloudflare IP NetBlock to your Site

Posted in Linux Network Admin Tips, Network Security Tips, Tech How To on Oct 08, 2021

Securing your Website or Webserver is very important. If you are using Cloudflare to speed up and protect your network from Bot's, DDoS attacks, along with protecting certain area's of your site such as an admin or protected area, you may be well aware that Hackers can bypass cloudflare by obtaining the real IP of your server or website. You can essentially block all traffic from the Internet and allow only Cloudflares NetBlock's. This Blog post will show you how to do exactly that.
How to - Edit your Hosts File

Posted in Linux Desktop Tips, Linux Network Admin Tips, Network Security Tips, Tech How To on Oct 06, 2021

If you are a Web Developer you know that Cloudflare's Cache can be very annoying. Did you know your can modify your hosts file so that you can bypass networks such as Cloudflare, Fastly or Akamai? This is helpful if you wish to bypass some DNS settings such as bypassing Cloudflare to work directly on your webserver or website. Another thing you can do is give static IP's to devices on your network that never change, such as routers, switches, printers and NAS (network attached storage) devices.
Block Admin Area of your Website with Cloudflare

Posted in Linux Network Admin Tips, Network Security Tips, Tech How To on Sep 28, 2021

Today more than ever you need to lock down your Website, including the Admin area. If you were to take a look at the access to your Admin Area you would be astonished at the attempts of hackers trying to access and compromise your website. This blog article and video, will show you how to lock this section and even any section of your website. It's simple and free!
Checking your Domain Reputation

Posted in Linux Network Admin Tips, Marketing, Network Security Tips, Tech How To on Aug 31, 2021

At one time most organizations hosted their own mail server and had somewhat control over how they sent email, and usually checked whether they were listed on a RBL (Realtime Blackhole List) or not. Now most organizations have moved their mail servers offsite and now have their email hosted with Google Workspace, Microsoft 365 or some other hosting platform. Your Domain's Reputation is still very important as you are now sending email over an IP shared with other senders. Now that we see greater implementation of IPv6, we are seeing an even greater shift in how email reputation by various mail servers is calculated.

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