zkms

36 ms·

271.
by zkms 9y ago
Because there's lots of discussion about legally coerced access to data that's managed by tech companies -- https://news.ycombinator.com/item?id=14615414 was on the front page yesterday -- and this is an instance
272.
by zkms 9y ago
> it doesn't (publicly) "look good" when we're living in a world that lacks (or has greatly limited) v4 space. What this says is: "NTT has a /16 they're fooling around with publicly", even though
273.
by zkms 9y ago
I like it a lot. There's something quite endearing about seeing human-legible text (beyond city names / interface names) in reverse DNS.
274.
by zkms 9y ago
spectrogram art (both for audio and RF signals)
275.
by zkms 9y ago
This sort of endearing Internet-scale thing reminds me of how NTT changes their reverse DNS's ( https://mailman.nanog.org/pipermail/nanog/2016-February/0841... ). There's other vanity reverse-DNS tric
276.
by zkms 9y ago
Since the OP compared Internet latencies to the speed of light in glass...look up 802.1CM/IEEE1904.3 or "CPRI over Ethernet"/"Radio over Ethernet"! Those describe techniques for conveying LTE baseband signals
277.
by zkms 9y ago
> How often is the performance difference between 100 megabit and gigabit internet all that measurable, though? For doing backups/restores, in this age of multi-terabyte disks, fast network links (especially in the upload direction)
278.
by zkms 9y ago
also if you accidentally hit the left or right arrow (which i have an unfortunate habit of doing when on a website, it's sorta part of my idle animation).
279.
by zkms 9y ago
Years ago, when SMS 2FA first became a thing, I remember people familiar with telecom stuff pointing out SS7 vulnerabilities and porting/SIM takeover issues. People shouted them down and claimed that they were being too paranoid and ex
280.
by zkms 9y ago
> One of the most frequently reviewed vendors of synthetic opioids on AlphaBay goes by the screen name BenzoChems. The vendor has shared online videos of his operations in China. I love how nobody realised that benzos (alprazolam, specif
281.
by zkms 9y ago
> In the age of sail, sending international mail was no easy matter. A sealed note would be left with some ship going in roughly the right direction, and then luck more than anything would decide the outcome. This was before steam ships,
282.
by zkms 9y ago
With this sort of heat release rate and amount of combustible material, fire doors alone are useless. Even if the fire doors miraculously remain intact and gastight, the walls and doors will eventually conduct enough heat to make the temper
283.
by zkms 9y ago
Exactly. The walls act like firebricks.
284.
by zkms 9y ago
From the transcript, this is what the "5 atmospheres" thing meant -- it was about the pressure differential, and that whether the inside is at 1 atm or 0 atm isn't a big deal if the tunnel has to be underground (in which case
285.
by zkms 9y ago
> Smoke and toxic gases from fires spread very quickly through tunnels It's not just the confined-space aspect that causes the fire gases to have such high lethality (although it's certainly extremely significant), it's al
286.
by zkms 9y ago
A few weeks ago my right foot slipped while walking on the slippery concrete sidewalk next to a supermarket -- i had stepped out on the very edge of the sidewalk (next to the actual asphalt roadway) to let someone pass with their shopping c
287.
by zkms 9y ago
A privileged local user can provision AMT to its liking though, which is afaict what this malware did.
288.
by zkms 9y ago
Also a privileged local user can provision it -- which is also pretty horrific, and that's not even a bug, it's how it's designed! Also "provision manageability features" is such an awkwardly euphemistic phrase here
289.
by zkms 9y ago
Aaaand I think this is the first public disclosure of malware using the Intel Management Engine / AMT's network connection (that uses SMBus, i talked about it here https://news.ycombinator.com/item?id=14309557 and
290.
by zkms 9y ago
Oversupply is easy to burn up -- as long as there's robust and quick mechanisms for signalling when oversupply is going on. There's plenty of loads that can be quickly spun up -- transferring workload from one datacentre to anothe
291.
by zkms 9y ago
> Do we have similar techniques for storing/operating on data on untrusted hardware? Whitebox cryptography.
292.
by zkms 9y ago
Aaaand I think this is the first public disclosure of malware using the Intel Management Engine / AMT's network connection (that uses SMBus, i talked about it here https://news.ycombinator.com/item?id=14309557 and
293.
by zkms 9y ago
If you like this, search for "worst phone number input", there's more in that genre :)
294.
by zkms 9y ago
UDP for everything would be workable and would remove the need for any sort of spoofing on the uplink.
295.
by zkms 9y ago
This beautiful exfiltration technique of actively sending packets to an IP address that will be routed on a link you can passively eavesdrop on -- in this case, a satellite link -- is one that appears in the leaked Snowden documents: (w
296.
by zkms 9y ago
It also need not be everyone who fights against {cell towers, high-density housing, clothes lines, airports, railways, wind farms} -- the relevant laws/regulations/procedures let a sufficiently motivated minority have a patholog
297.
by zkms 9y ago
Less NIMBYs with much less power than USian NIMBYs, their zoning / land-use laws are much less awful, and they buy trains straight from Japan.
298.
by zkms 9y ago
> He goes through and dismisses all of the usual suspects. Union wages drive up infrastructure costs (yet not true in countries paying equivalent wages). It's expensive to acquire land in the property-rights-obsessed United States (
299.
by zkms 9y ago
The fictional book in the Dr. Strangelove film called "World Targets in Megadeaths" was no joke, it seems!
300.
by zkms 9y ago
NAT is also expensive to operate at the scale and reliability that large network operators need. If stateful NAT middleboxes go down, everything goes down -- it's a point of failure that's hard to route around! Also there's

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