Category Archives: network

Need to optimize your network? Look at adjusting LocalPriority, HostPriority, DNSPriority or NetBTPriority. 

Need to optimize your network? Look at adjusting LocalPriority, HostPriority, DNSPriority or NetBTPriority.  (Host/DNS resolution) The tweak works by increasing the priority of four processes. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\ServiceProvider\ LocalPriority = 4 (DWORD, the default is 499, change to 4) HostPriority = 5 (DWORD, … Continue reading

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Posted in computer troubleshooting, Microsoft, Microsoft Office, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows, Windows 10, Windows 10 Quick Tips | Tagged , , | Leave a comment

Network Throttling Index

Did you know that Windows implements a network throttling mechanism that will restrict and slow network traffic when regular (not multimedia) traffic is transferred? This traffic can be around 10ish packets per ms which is just over 100 megabits per … Continue reading

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Posted in Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server | Leave a comment

Keep DNS services running well on your computer

If you enter ipconfig /displaydns at a command prompt you’ll see that Windows stores successful and unsuccessful name resolutions in cache.  By default, Windows will store this cache for 24 hours.  You can adjust this by doing the following: Open … Continue reading

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Posted in network, Networking, Technology, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server | Tagged , , , , | Leave a comment

Find rogue APs with Xirrus Wi-Fi Inspector using signal strength and sound

Xirrus Wi-Fi inspector is a free tool you can use to gather information about wi-fi around you.  You can also use this tool to locate APs via sound very similar to using radar and sound.   Have an AP you … Continue reading

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Posted in Computers, Education, Free Software, freeware, higher education, Home Networking, Information Technology, network, Networking, Software, Technology, troubleshooting | Tagged , , , | Leave a comment

How to get OpenWRT on a Rosewill RNX-N150RT Router? Flash it to DD-WRT then flash to a TP-Link TL-WR741N. Finish with OpenWRT or Gargoyle and out perform may AC routers.

With a Rosewill RNX-N150RT router, you can flash this simple home router to OpenWRT.   While there are a few hoops to jump through, the process is easy. First flash the Rosewill to DD-WRT by downloading the firmware here. Next flash … Continue reading

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SSL not showing green lock? Here’s some things to try.

Recently we did a certificate request with an IIS server and loaded the received certificates under Enterprise Trust and imported the certificate into IIS. When we visited the website, we noticed that the newly loaded server did not present a … Continue reading

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Posted in Computer Security, Education, help desk, Information Technology, internet security;, Microsoft, Microsoft Windows, network, Networking, Technology, troubleshooting, Windows, Windows Security, Windows Server | Tagged , , , , , , | Leave a comment

HDD drive slow? It could be your network card…

Another example of what we thought was a failing HDD, turned out to be a corrupt… Winsock?  A non-profit organization called us today and after running diagnostics on the HDD, turns out the computer lock ups and  experienced freezing along … Continue reading

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Posted in Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server, Wireless | Tagged , , , | 4 Comments

Networking and Internet problems? Try this

Are you having problems with networking or using the internet?  Open a command prompt as an administrator.  Run the following commands (or copy and paste into the cmd prompt) – route -f ipconfig /release ipconfig /renew arp -d nbtstat -R … Continue reading

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Posted in computer troubleshooting, Home Networking, Information Technology, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, troubleshooting, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server, Wireless | Tagged , , | Leave a comment

Rockwell Directory Configuration Wizard Unknown Error 0x80005000

Have the above error?  Copy and paste this in a command prompt as administrator.   This will work a majority of the time.   This configuration error re-registers the dlls that may have issues during or after an upgrade. cd\ … Continue reading

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Speed up your network by disabling the HomeGroup

While we’ve discussed speeding up SQL connections by disabling LLMNR, there’s another way to speed up your network. If you are not using the HomeGroup feature, a quick way to speed up your network is to disable the services for … Continue reading

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Posted in Computer hardware, computer troubleshooting, Computers, help desk, Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Wireless | Tagged , , | Leave a comment

World Route by Softperfect

Here’s a visual aid to tracert currently free at Softperfect.  You can use this to see where internet delays are happening with a website.  This tool comes in portable and with an installer. https://www.softperfect.com/products/worldroute/

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Posted in computer troubleshooting, Free Software, freeware, Information Technology, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows 10, Windows 7, Windows 8, Windows 8.1 | Tagged , , , | 1 Comment

One in four wireless networks are still unsecure

Annually our class studies wireless technology and its implementation into homes and industry.   Surveys are conducted to analyze security used, transmit power and geographic location of wireless technology. According to Wigle.net, Security has improved over past years.  Home users … Continue reading

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Posted in Computer Security, Computers, Education, Hacking, Information Technology, Internet, network, Technology, Wireless | Tagged , , , , , , , , | 1 Comment

Change network adapter priorities in Windows 10 – PowerShell

First thing – disable network adapters you don’t use If you use Ethernet, disable everything but flow control Disable LLMNR Adjust NTLM Perform test with Totusoft’s network speed test Next, avoid latency of your network card by adjusting the network … Continue reading

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Posted in Computer hardware, computer troubleshooting, Computers, help desk, Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server, Wireless | Tagged , , , , , , , , | Leave a comment

Realtek PCIe GBE Family Controller performance issues

UPDATE-2016 driver now available! (Driver number will be different than what is in this article! (Direct Link to New 12/2016 Driver) If you have the Realteck PCIe GBE Family Controller adapter and are experiencing performance issues on your network, download … Continue reading

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Posted in computer troubleshooting, Computers, help desk, higher education, Home Networking, Information Technology, Microsoft Windows 10, network, Networking, Technology, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server | Tagged , , , , | Leave a comment

Wi-Fi Troubleshooting with dot11Expert from KC Software

Need technical information about your Wi-Fi?  dot11Expert provides detailed information about your wireless card, APs, wi-fi signals in your area and provides a detailed graph of signal strength and quality. More information can be found at KC Softwares.

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Posted in Computer hardware, Computer Software, Information Technology, Microsoft Windows, Microsoft Windows 10, network, Networking, Software, Technology, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Wireless | Tagged , , , | Leave a comment

Seagate GoFlex Home Server firmware update issues – solved

Several years ago we did a review on Seagate GoFlex Home Server (NAS).  Recently I went to update the firmware which can be found in the web interface of the device. Once I clicked ‘update’,  the device found an update … Continue reading

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Posted in Computer Security, computer troubleshooting, Hardware, Home Networking, network, Networking, Technology, troubleshooting | Tagged , , , , | Leave a comment

How to flush the DNS cache on Mac, Linux or Windows

If websites are not appearing correctly, connections time out or if you cannot find a computer on a network, you may need to flush the DNS cache.  Here’s how to do it- Microsoft Windows – Go to a command prompt … Continue reading

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Posted in Apple, Computers, Education, Home Networking, Information Technology, Linux, network, Networking, Technology, Ubuntu, Windows | Tagged , , , , , | Leave a comment

Are your IoT devices visible from the internet?

BullGuard has a scanner that quickly scans your public IP address and ‘sees’ if your network has open ports that could pose a threat to you or even the internet.  Here’s the link to see if you have something that … Continue reading

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Posted in Apple, Business, Computer Security, Computers, Education, Hacking, Hardware, higher ed, higher education, Information Technology, Internet, Internet of Things, internet security;, IoT, Linux, Mac, Microsoft Windows, Mobile Computing, network, Networking, Technology | Tagged , , , , , | Leave a comment

When engineers don’t think about the technicians

Recently my niece dropped her laptop and the hard drive stopped working.   Normally an easy fix, I looked for the access panel for the hard drive so that I could replace it.   What? No access panel?  Oh, easy fix, lets … Continue reading

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Posted in Computer hardware, Computer Security, Computers, Information Technology, Mobile Computing, network, Networking, Windows | Tagged , , , , | 1 Comment

Tomato Cache Optimization with DNSMasq and DNS Benchmark

Want to speed up your internet’s resolution of websites?  One way is to flash your router with Tomato (Tomato is Linux core firmware for many routers that provides advanced features.) or other open source firmware.  Below is an example of … Continue reading

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Posted in Home Networking, network, Networking, Technology | Tagged , , , , , | 1 Comment