APNIC:IPv6, DNS, and truncation in UDP
https://blog.apnic.net/2024/03/14/ipv6-dns-and-truncation-in-udp/ In February I looked at the behaviour of the DNS when processing responses in UDP, which set the truncated flag in the DNS response. In particular, I was looking for the incidence of DNS resolvers that used the answer section …
My Contact Key Verification code
For those of you who know. APKTIDVoE5hoOlKQJFS2OK56ARdI70p1zpf9OyJIsPBnlw8sFG5A
New podcasts coming soon
Picked up something new to get back into the podcasts.
Alta labs network at a glance
A quick post about the Alta Labs network view front eh iPhone app.
Amazon Tech Deal: Portable power
With a 600W AC inverter, 268Wh LiFePO4 battery pack, and 9 outlets, this is perfect for Tower crews on the job site. Many times, these crews are in remote areas, so you don’t want to fire up a generator or …
Republish: Journey into Ham Radio and DMR
I originally published this article in 2015. For years I have hung out with “Hams” and been interested in the technology. Guys like ka8jil, w9sn, w9smj, w9cjo, and w9abh have all interested me in ham radio. I remember many years …
Categories to tags
Over the next several weeks, I will convert some categories to Tags. I am doing this to streamline finding relevant content on this blog as well as my ability to quickly post items.
Celebrating a Merry ISP Network Christmas: Spreading Connectivity Cheer!
‘Tis the season to be jolly, and amidst the joyous festivities, let’s take a moment to celebrate the unsung heroes of our connected world—the ISPs (Internet Service Providers) who work tirelessly behind the scenes to keep our digital sleighs flying …
Alta Labs Poe Switch first look on j2Sw.com
My test switch form Alta labs has arrived. More posts coming soon. I am so excited I had to snap quick photo of it
A New website visits and page views record for j2sw.com
Thank you to all the folks who pay attention to my content. It’s numbers like this that motivate me to do bigger and better. I only ask you to consider being a Patreon supporter for $1 a month. It’s not …