Networking/Computing Tips/Tricks

Networking and Computing Tips and Tricks

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Welcome to some great networking and computing tips.

Usually these have to do with how to do this or how to change that. The subjects are fairly broad when it comes to networking and we encourage both your feedback and contributions by adding comments and extending any of the tips.  If there is something you need help on or something you would like to see added here, just drop us a line from the "Contact Us" link and we will be glad to try and help.

Be careful, not all tips work on all networking equipment nor operating systems.  Also be sure to add your comments as well as read comments and questions from other readers.

You can click on the column titles to sort on the column information (for instance click on Hits to sort the articles in ascending frequency, click it again to sort in descending frequency).  You can also select tags in the tag cloud to quickly list all articles on that particular subject.
Title Published Date Hits
Find and Display All Your Wi-Fi Passwords in Windows 07 July 2022 Hits: 331
Troubleshooting Your Network Using Port Mirroring and Packet Capture 08 June 2022 Hits: 427
Troubleshooting The Internet Using Ping (a.k.a. ICMP) 27 May 2022 Hits: 431
BGP Autonomous System (AS) Numbers 17 May 2022 Hits: 447
Leveraging the Linux Logger 26 April 2022 Hits: 336
Linux Security Focused Commands We All Need to Use 22 April 2022 Hits: 409
IPv6 Extension Header PCAP Repository 10 April 2022 Hits: 362
Viewing Users/System Users on Linux 06 April 2022 Hits: 278
Using the useradd Command to Create User Accounts in Linux 06 April 2022 Hits: 335
Important Updates to Wireshark for Voice and VoIP 24 November 2021 Hits: 1187
Wireshark 3.5 Development Release adds significant voice upgrades 20 September 2021 Hits: 519
Redaction Technique in Wireshark 17 May 2021 Hits: 992
Monitor Mode in Windows At Last 21 April 2021 Hits: 1052
What does the BGP Next-Hop-Self Command Actually do? 08 April 2021 Hits: 846
Cool Bandwidth Monitoring in Linux 29 March 2021 Hits: 898
Modifying the Wireshark Window Title 28 February 2021 Hits: 1417
Seven Awesome Linux Terminal Utilities for Everyone 17 February 2021 Hits: 1480
IPv4 Subnetting Illustrated 24 December 2020 Hits: 1535
Adding Packet Comments in Wireshark 27 November 2020 Hits: 1057
Packet Diagram feature in Wireshark 05 November 2020 Hits: 2496
Nested Display Filter Buttons feature in Wireshark 05 November 2020 Hits: 989
Getting started with iPerf - an illustrated step by step procedure 13 October 2020 Hits: 2554
Networking Utilities and Tools 05 October 2020 Hits: 2085
How to Decrypt HTTPS on Windows in Wireshark 19 July 2020 Hits: 10733
Anonymizing Capture Files and More with Tracewrangler 01 July 2020 Hits: 1258
Packet Capture in Windows using pktmon.exe 22 May 2020 Hits: 4186
Capturing Wi-Fi WLAN Packets in Wireshark on MAC OSx 06 January 2020 Hits: 13424
Windows 10 WLAN/Wi-Fi Commands of Interest 02 January 2020 Hits: 7986
Viewing the WLAN/Wi-Fi details via the WLAN Report in Windows 10 02 January 2020 Hits: 2244
What is the % signal in Windows Wireless? 02 January 2020 Hits: 2771
What are all the Microsoft local area connections? 24 December 2019 Hits: 1412
Finding Text Strings in Wireshark Captures 26 September 2019 Hits: 40707
Example IPv6 Fragmentation Attack 06 August 2019 Hits: 3454
Example IPv6 SYN Flood Attack 05 August 2019 Hits: 3652
Tweaking the Wireless Interface - Power Settings, Country etc. in Linux 28 June 2019 Hits: 2126
A Terminal Version of T-Shark - we love it! 25 April 2019 Hits: 4234
How To Observe if the Web Site you are Browsing Uses QUIC 12 March 2019 Hits: 6584
3 Ways to put your Wi-Fi Interface in Monitor Mode in Linux 18 February 2019 Hits: 124713
Getting a Virtual Machine to Access Wi-Fi Monitor Mode 18 February 2019 Hits: 34724
IPv4/IPv6 Path MTU (PMTU) Discovery Demystified 30 November 2018 Hits: 9904
Creating Delay to a Subnet Tech Tip 14 November 2018 Hits: 1561
GNS3 in Linux - Tech Tip - Docker Error 06 November 2018 Hits: 5200
The Linux 'ip' Command in Networking 26 October 2018 Hits: 2472
Detecting ECMP in Linux using Paris and Dublin Traceroute 24 October 2018 Hits: 4483
Linux Starting Point - Commands You Need To Know 16 October 2018 Hits: 2097
What is the 'cat' command, and how can I use it? 11 October 2018 Hits: 84766
IPv6 Settings (SYSCTL) on Linux 11 October 2018 Hits: 6587
How to use Wireshark to capture between VirtualBox VM's 29 August 2018 Hits: 23466
Zenmap - the nmap GUI 07 August 2018 Hits: 2896
Advanced nmap - the nmap Scripting Engine (NSE) 07 August 2018 Hits: 3403
Wi-Fi Network Monitoring & Manipulation in Parrot Linux 06 August 2018 Hits: 9378
GeoIP Add In for Wireshark 2.6 and Later 19 June 2018 Hits: 6075
Capturing Wi-Fi WLAN Packets in Wireshark on Linux 18 June 2018 Hits: 40472
How much QUIC Traffic is there? 25 May 2018 Hits: 2833
My Traceroute in Linux 15 May 2018 Hits: 3068
Testing/Baselining DNS Server Performance 03 May 2018 Hits: 2514
Using Ansible for Network Automation 26 March 2018 Hits: 6719
Is there a lot of QUIC in your Packet Captures? 08 March 2018 Hits: 12785
Using Wireshark to Analyze QUIC Traffic 08 March 2018 Hits: 26952
T-Shark Use in Wireless Networking 07 March 2018 Hits: 2745
Perhaps a top 15 Wireshark Capture Filter List 28 February 2018 Hits: 17647
What is the 'area range' command in OSPF? 24 January 2018 Hits: 8361
What is the “network” Command in OSPF and BGP? 22 January 2018 Hits: 20577
Wi-Fi Scanning Tools List 30 November 2017 Hits: 4881
Capturing Wi-Fi WLAN Packets on Windows for Free! 29 November 2017 Hits: 55927
Deleting Remembered Wi-Fi Networks in Windows, MAC OSx, and Linux (Debian) 25 November 2017 Hits: 3694
Real-life Wireless Wireshark Troubleshooting Example 06 November 2017 Hits: 4899
Linux Networking Commands 03 October 2017 Hits: 4516
The DNS System In Depth 19 July 2017 Hits: 9405
Leveraging SSL and TLS Decryption in Wireshark 15 July 2017 Hits: 17502
TLS Decryption in Wireshark Using Key Log Files in Windows, MAC, and Linux 15 July 2017 Hits: 918
Wireshark Display Filter Macros 24 June 2017 Hits: 7499
Finding HTTPS Sessions in Wireshark Captures 22 June 2017 Hits: 8016
How do I find all packets from Apple devices in Wireshark? 21 June 2017 Hits: 11826
The TRANSUM tool is now in Wireshark 2.4! 18 June 2017 Hits: 4773
Wireless Report in Wireshark 2.x 18 June 2017 Hits: 2149
Using Netsh to Capture Packets in Windows 11 January 2017 Hits: 12921
A List of Network Monitoring Tools for Network and System Administrators 11 January 2017 Hits: 48027
Using the mergecap Tool to Merge Packet Captures 11 December 2016 Hits: 18309
Wireshark Ring Buffer Capture from the Command Line using T-Shark 09 December 2016 Hits: 13009
A Quick Start for your Favorite Windows Apps 27 November 2016 Hits: 3051
Carving and Parsing Packet Captures 01 August 2016 Hits: 7426
A Minimized Dissector Configuration Profile for Wireshark 18 July 2016 Hits: 4572
Getting Started with Linux - A Beginners Linux Mini-Course 28 May 2016 Hits: 6899
Using MAC OSX Preview to save PDF's in Different Sizes 08 April 2016 Hits: 3415
The Purpose of the IP ID Field Demystified 28 March 2016 Hits: 63053
Free Windows Virtual Machines from Microsoft 08 August 2015 Hits: 4603
Setting up Custom Wireshark Name Resolution Files 07 March 2015 Hits: 11354
Controlling Displayed Network Interfaces in Wireshark 07 March 2015 Hits: 1186
Basic MPLS LDP Profile for Wireshark 10 January 2015 Hits: 6186
Learning the Network Science Fundamentals 27 December 2014 Hits: 4868
OpenFlow Overview 29 October 2014 Hits: 7614
A Wireshark Wi-Fi WLAN Configuration Profile 07 September 2014 Hits: 16185
How To Use 'dumpcap' Natively on your Computer 02 September 2014 Hits: 17519
A Wireshark IPv6 Configuration Profile 31 August 2014 Hits: 8505
A Wireshark Basic BGP Configuration Profile 31 August 2014 Hits: 9000
A Wireshark TCP Troubleshooting Configuration Profile 31 August 2014 Hits: 10590
A Wireshark IPv4 Configuration Profile 31 August 2014 Hits: 3452
A Wireshark DNS Configuration Profile 31 August 2014 Hits: 2930
A Wireshark ARP Configuration Profile 31 August 2014 Hits: 4039
The Basics of 'netcat' 24 July 2014 Hits: 7578
GodMode in Windows 21 July 2014 Hits: 5638
Deeper Scanning with nmap 20 July 2014 Hits: 21109
Even Deeper Scanning with nmap 20 July 2014 Hits: 829
Getting Started with nmap 20 July 2014 Hits: 9543
A Little nmap Cheat Sheet 20 July 2014 Hits: 728
T-Shark Usage Examples 12 May 2014 Hits: 70456
Using T-Shark for Packet Voice 12 May 2014 Hits: 12383
Coloring Rules in Wireshark 13 March 2014 Hits: 10716
Removing Checksum Calculations in Wireshark 13 March 2014 Hits: 7278
Using Wireshark Temporary Colors to easily see a Conversation 28 January 2014 Hits: 11576
IPv6 Windows Command Line Examples 12 September 2013 Hits: 63997
Basic Wireshark Layer 3 Name Resolution 12 September 2013 Hits: 9335
Wireshark Display Filter Cheat Sheet 12 September 2013 Hits: 14205
Using Wireshark to Capture on Remote Servers or Systems 12 September 2013 Hits: 23065
Upgrade Your Router/Gateway - Even If The Manufacturer Won't 12 September 2013 Hits: 4477
The Netsh Shell/Scripting Tool in Windows 12 September 2013 Hits: 10734
The CellStream TCPDUMP Cheat Sheet now available 12 September 2013 Hits: 7603
The CellStream ICMP Cheat Sheet 12 September 2013 Hits: 106
The CellStream IPv4 Cheat Sheet 12 September 2013 Hits: 104
The CellStream IPv6 Cheat Sheet 12 September 2013 Hits: 94
The CellStream IPv6 OS Command Cheat Sheet 12 September 2013 Hits: 92
The CellStream Vi/VIM Cheat Sheet 12 September 2013 Hits: 98
Teach Others How to Use Their Computer 12 September 2013 Hits: 3840
Setting Up an IPv6 Teredo Tunnel in Windows 7 12 September 2013 Hits: 15469
Setting up an IPv6 ISATAP Tunnel in Windows 7 12 September 2013 Hits: 11492
Setting up A Web Server in Ubuntu Server 10.x and greater 12 September 2013 Hits: 5163
Setting up a SSH Server in Ubuntu Server 10.x and above 12 September 2013 Hits: 4636
Setting up a 6in4 Tunnel in Windows 7 12 September 2013 Hits: 17657
Perhaps a top 10 Wireshark Display Filter List 12 September 2013 Hits: 12169
Links to Ubuntu IPv6 How To's 12 September 2013 Hits: 6134
Keeping your Windows PC Software Up to Date 12 September 2013 Hits: 11922
IPv6 Linux Command Line Examples 12 September 2013 Hits: 18712
IPv6 MAC OSx Command Line Examples 12 September 2013 Hits: 19394
Installing the Desktop for Ubuntu Server 12 September 2013 Hits: 5197
Fixing the Ubuntu 11.x User Interface 12 September 2013 Hits: 11859
Five Simple Steps to GNS3 Setup 12 September 2013 Hits: 14399
Experimenting with ICMPv6 12 September 2013 Hits: 8683
Experimenting with DHCPv6 12 September 2013 Hits: 12593
Enabling IPv6 on a Computer 12 September 2013 Hits: 11360
Using T-Shark 11 September 2013 Hits: 14508
Create ACL and Firewall Rules with Wireshark 11 September 2013 Hits: 12369
A Map of the Submarine Cable System 11 September 2013 Hits: 9554
World IPv6 Day on June 8, 2011 11 March 2011 Hits: 6362
The Ultimate Earth Status Screen 04 March 2011 Hits: 4873
Locate an IP Address on a World Map 04 March 2011 Hits: 11049
What Broadband services are offered in my area? 01 March 2011 Hits: 4583
Setting a new or Static IP in ESX VM Server 14 February 2011 Hits: 4491
Access Multiple Computers on a LAN or VM via Remote Desktop Connection 07 February 2011 Hits: 18157
Router and Switch Net Admin Tools - a basic list 05 February 2011 Hits: 8802
Windows 7 Keyboard Shortcuts 03 January 2011 Hits: 5734
Ethernet Cabling Fundamentals 29 December 2010 Hits: 6148
Shutting down a computer that appears unresponsive 22 December 2010 Hits: 3919
Identify Your Computers Components in Detail 12 December 2010 Hits: 6296
Dive Deep into Task Management for Windows 12 December 2010 Hits: 6853
Using Social Media for ROI 23 November 2010 Hits: 10357
Blocking Certain Sites Using Your Home Router 10 November 2010 Hits: 8703
Clean Up the Startup Folder with Autoruns Tool 25 October 2010 Hits: 4555
A Great Toolkit for Presenters - Zoomit! 25 October 2010 Hits: 254737
A better view of Processes and Internal Operations 25 October 2010 Hits: 6236
Sharing your desktop and allowing a user to control your PC 15 October 2010 Hits: 4292
Securing a Home or Small Business Network 06 October 2010 Hits: 6481
An IPsec VPN Lab Exercise 29 September 2010 Hits: 8646
Parenting the Internet 17 September 2010 Hits: 8505
What is the 'netstat' command, and what can it do? 10 September 2010 Hits: 37181
What is the 'arp' command, and how can I use it? 10 September 2010 Hits: 365228
Using a Dynamic DNS Service Instead of a Public IP 03 September 2010 Hits: 6225
Some Basic Troubleshooting Tips for the PC/Networking 03 September 2010 Hits: 11671
Determining What is Connected to a Customer LAN or WLAN 03 September 2010 Hits: 5121
Blocking Offensive Web Content 25 August 2010 Hits: 10023
How can I save Disk Space? 30 July 2010 Hits: 5493
Disabling IPv6 and IPv6 Tunnel Communications 12 August 2009 Hits: 46578
What maintenance should I run on my computer, if any? 09 November 2006 Hits: 5320
Removing unused Device Drivers 09 November 2006 Hits: 8081
Faster Booting by cleaning out Windows Pre-Fetch Folder 09 November 2006 Hits: 5160
The Ultimate Linux Command Line Cheat Sheet 11 January 2005 Hits: 10680
Cisco Router Tech Tips and "How To's" 11 November 2004 Hits: 4963
Apply Master to ALL Notes Pages in MS PowerPoint 11 April 2000 Hits: 19781

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