Categories
Data Center MTIN

Unboxing Canada’s newest Supercomputer

27,000 Intel cores. 190 Terabytes of ram.

Categories
MTIN Networking Wireless

11 Reasons your Internet is slow

If your video is lagging and downloads are taking forever, don’t bang your head on your keyboard. Try these fixes to put your digital life back in the fast lane.

https://www.rd.com/advice/hidden-reasons-your-internet-is-so-slow/

Categories
MTIN Wireless

Ham Radio tower shelter install

Categories
MTIN News Site News

Keeping up with the j2 blog

There are many ways to keep up with the j2 blog at https://blog.j2sw.com without much effort.

1.RSS Feed https://blog.j2sw.com/feed/ You can also follow certain categories such as podcast topics by adding the category on the end https://blog.j2sw.com/feed/podcast . Following the main feed will keep you most informed.

2.e-mail notifications.  In the righthand sidebar is a “Subscribe to blog via e-mail”. Simply enter your e-mail and you will be e-mailed each new blog post.  I promise not to spam you.

  1. Follow me on Social Media.  Social Media Icons are on the right. Twitter @j2sw

  2. Become a Patreon Subscriber. https://www.patreon.com/j2sw

Categories
MTIN xISP

Broadband in Warren County Indiana Study

If you would like to have access to this 22-page study on broadband in Warren County Indiana please contact j2sw@mtin.net for details.

warren_county_broadband_protected

if you have a county or location you need a similar study done we can assist with that.

Categories
MTIN

Mikrotik passing multiple subnets across a tunnel with multiple policies

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Categories
cisco equipment MTIN Wireless xISP

Router Vulnerability roundup for April 2019

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Categories
Cambium MTIN Wireless

Have you used Cambium cnConcierge?

https://www.cambiumnetworks.com/blog/network-operators-enjoy-more-freedom-to-offer-access-with-cnconcierge-mobile-app/

Categories
MTIN Networking Wireless

What is WPA3?

With the introduction of WIFI6, we now have the new WPA standard in WPA3. In an earlier article, I talk about WIFI6, and it’s the introduction of WPA3. As we are used to with the previous versions of WPA, WPA3 comes in two “flavors. We have WPA personal and WPA enterprise.

WPA personal is what most of us are familiar with in home environments.  The most significant change isthe Simultaneous Authentication of Equals (SAE), which replaces Pre-shared Key (PSK). A preshared key or passphrase is what we are used to typing in when we associate to a new, secured network. Typically you type an 8 character or longer password you have to ask your friend for when you visit their house.

So what does SAE do exactly? At the core, SAE is a peer-to-peer handshake. If you are the kind who likes to read RFCs, then RFC 7664 – Dragonfly Key exchange is what SAE is based upon. With SAE an attacker can not sniff data, analyze it offline, and introduce an attack on a pre-shared key like they can with WPA2. When the client connects to the access point, they perform an SAE exchange. If successful, they will each create a cryptographically secure key, of which the session key is based. If one session key is cracked it will only affect one key, and not all of the key used, as with WPA-2.  In SAE the four-way handshake is done away with.

Another critical benefit of WPA is Wi-Fi Device Provisioning Protocol (DPP) which replaces the flawed Wifi protected setup (WPS) currently supported by many consumer routers. With DPP, devices can be authenticated to join a network without a password through various means, including QR codes. So what does the Enterprise side of WPA3 give us? Most of the new features have to do with encryption and key exchange mechanisms.  WPA3 enterprise supports 192-bit encryption.

So what does the Enterprise side of WPA3 give us? Most of the new features have to do with encryption and key exchange mechanisms.  WPA3 enterprise supports 192-bit encryption.

Categories
MTIN Uncategorized

New Google Play home for j2podcasts

For all Android users subscribe to the j2 podcast below

Listen on Google Play Music

https://playmusic.app.goo.gl/?ibi=com.google.PlayMusic&isi=691797987&ius=googleplaymusic&apn=com.google.android.music&link=https://play.google.com/music/m/Ilwxpkvktotkmbbixnfq6oinqo4?t%3Dj2_networks_podcast%26pcampaignid%3DMKT-na-all-co-pr-mu-pod-16