- Note: Products that are reviewed (hardware or software) are personally owned or freeware that appear in this blog.
15th Year2007-2021
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- Krebs on Security
- How Did Authorities Identify the Alleged Lockbit Boss?
- U.S. Charges Russian Man as Boss of LockBit Ransomware Group
- Why Your VPN May Not Be As Secure As It Claims
- Man Who Mass-Extorted Psychotherapy Patients Gets Six Years
- FCC Fines Major U.S. Wireless Carriers for Selling Customer Location Data
- Russian FSB Counterintelligence Chief Gets 9 Years in Cybercrime Bribery Scheme
- Who Stole 3.6M Tax Records from South Carolina?
- Crickets from Chirp Systems in Smart Lock Key Leak
- Why CISA is Warning CISOs About a Breach at Sisense
- Twitter’s Clumsy Pivot to X.com Is a Gift to Phishers
Category Archives: network
CLI vs GUI – Basic CLI commands
The CLI or Command Line Interface, is a text-based interface used to program devices such as switches and other network equipment. So it’s 2019. Why are we still using a CLI? The reason? It allows a granular ability to program devices … Continue reading
Posted in Education, Hardware, Information Technology, network, Networking, Technology
Tagged CLI, managed switches, network, networking, switches
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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
Review – GL-MT300N-V2 (Mango) Mini Smart Router
Do you travel? Want extra protection of taking a router with a firewall with you when you are on the road? Want the flexibility of OpenWRT? The GL iNet GL-MT300N-V2 mini smart router is loaded with a ton of features. … Continue reading
Posted in Computers, Hardware, Internet, Mobile Computing, network, Networking, Technology, Wireless
Tagged GL-iNet routers, openwrt, portable router, router review, Routers, Wireless
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2019 Middle TN Cyber Conference
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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
Posted in Computer Software, Hardware, Industry, Information Technology, network, Networking, Technology
Tagged Error 0x80005000, megatronics, plc, plcs, Rockwell
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Slow SQL Connection or Network in Windows 10 – Update
Finally found a small problem with Windows 7, 8, 8.1 and 10. After upgrading, we have discovered that Windows was responding slow to our SQL Server 2008 and SQL Server / other versions. What we discovered is below. Slow response … Continue reading
How can I improve my internet performance with DNS information in my router?
There are dozens of tips on the web from MTU size to tweaking network card or wireless router alternate firmware. What isn’t covered a lot is DNS queries. DNS or Domain Name Services is used when you type the … Continue reading
Posted in Apple, Computer hardware, Computers, Home Networking, Internet, Linux, network, Networking, Windows
Tagged internet settings, Internet speed, router settings, wireless settings
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A Search Engine that shows devices on the web
Secure your devices. Bottom-line, there are malicious users on the web that can find your device (webcams, IP cameras, routers, SCADA and other devices). Change the default passwords and update software/firmware when it is available. Disable UPNP and look for … Continue reading
Posted in Apple, Computer hardware, Computer Security, Education, Hacking, Home Networking, Information Technology, Internet, Law, network, Networking, Technology
Tagged apple, Computers, hackers, Hacking, Information Technology, internet security, Linux, network, Routers, SCADA security, Technology, traffic cameras, Windows
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Diagnosing your network and measuring speed.
Diagnosing your network? Here’s a GUI program to ping and get averages and speeds over a period of time – nine years ago we featured Performance Pinging by Carsten Schmidt and cannot find a working website from the author to … Continue reading
Posted in Computer hardware, computer troubleshooting, Computers, Free Software, freeware, Home Networking, Information Technology, Microsoft, Microsoft Windows, Microsoft Windows 10, network, Networking, Technology, troubleshooting, Windows, Windows 10, Windows 10 Quick Tips, Windows 7, Windows Server
Tagged freeware, network, network speed, network speed test, networking, troubleshooting
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IO Graphs in Wireshark-TCP Spurious Retransmission events
TCP Spurious Retransmissions may be seen from time to time when using Wireshark. How do you see them? Capture some data with Wireshark on your workstation or server. Click on Statistics, IO Graphs and click throughout the graph on the … Continue reading
Why hiding your SSID is not secure.
Have you heard that hiding your SSID is a good idea? Think again. With BackBox or Kali (in fact in form of Linux), you can run sudo airodump-ng phy1.mon at a terminal (replace phy1.mon with your network card number) – onboard … Continue reading
Cannot reset winsock, isatap yellow exclamation, no wireless or internet
Have a wireless card that doesn’t see the wireless? Does checking the Device Manager show a yellow exclamation mark on the isatap or Teredo Tunneling Pseudo Interface? Always backup your computer before performing advanced commands. Steps Load the latest driver … Continue reading
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
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
Posted in network, Networking, Technology, Windows 10, Windows 10 Quick Tips, Windows 7, Windows 8, Windows 8.1, Windows Server
Tagged DNS Cache, Windows 10, windows 7, windows server, Windows Tweaks
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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
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
Posted in network, Networking, Technology, Wireless
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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
Posted in Computer Security, Education, help desk, Information Technology, internet security;, Microsoft, Microsoft Windows, network, Networking, Technology, troubleshooting, Windows, Windows Security, Windows Server
Tagged IIS, SSL Certificate, SSL Certificate Troubleshooting, SSL Lock, SSL Troubleshooting, windows server, Windows Server SSL Errors
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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
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 HDD problems, HDD Troubleshooting, Network Troubleshooting, Networking problems
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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
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 internet troubleshooting, network, Network Troubleshooting
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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
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 Network Performance, network speed, networking
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TCAT Shelbyville - ITIM 