When I last had problems with PPP, I noticed that some non-routeable IP addresses ended up getting sent out for DNS reverse lookup.
This is different than routing packets with those same (nominally) non-routeable addresses out into The Internet.
I finally looked at the addresses of linked list nodes that my recursive and wikipedia bottom-up) algorithms read and write.
We use incredibly weak language around smartphones and point-n-click computer interfaces. It’s embarrassing.
There’s a system admin saying: It’s always DNS
But weird problems aren’t always DNS problems. Better than 50% of the time, they’re cabling problems.
I went to see the Union Pacific No. 4014, a Big Boy locomotive, at a whistle stop in Greeley, CO, October 23, 2024.
I had to get my production server to clamp MSS (size of TCP data “segment” in bytes) to path MTU.
Model rocketry changed my life back in the 1970s. I built my first rocket, an Estes Big Bertha the summer between 3rd and 4th grade, which I think was the summer of 1970.
Ate at Cracovia Polish-American restaurant in Denver’s most-misspelled suburb, Westminster. It was delicious.
Got a couple of dumb fortunes from the local strip mall Chinese/Thai joint.
