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tomklein

521 karma · joined April 20, 2018

Software Developer
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tomklein··on 10 Years of Let's Encrypt
I believe it was StartSSL and/or WoSign back then
tomklein··on Google AMP – The Newest of Evasive Phishing Tactic
Check https://docs.google.com/forms/d/e/1FAIpQLSdqYNuULEypMnp4i5pR... (linked from https://blog.cloudflare.com/friendly-bots/) if you didn’t already.

Disclaimer: I work at CF

tomklein··on Alphabet selling Google Domains assets to Squarespace
iirc, custom DNS at CF refers to using your own subdomains as name servers for CF instead of the regular *.ns.cloudflare.com. Basically a form of whitelabelling.

Specifying 3rd party name servers as your domain’s name server was (still is?) not possible with Cloudflare Registrar.

(Disclaimer: I work there)

tomklein··on .bestbuy
Amazon owns .free - http://nic.free/
tomklein··on IPv4 Address Auctions
Actually, you can assign (not transfer) IP ranges and the one advertising it does not need to own it, but would need a Letter of Authorization (LoA) or similar.
tomklein··on Google CA can now be used with Cloudflare Certificate Manager
Google now has a publicly available ACME-compatible CA. For CF’s Universal SSL (default/free) Cloudflare may use Google’s CA. But may choose other providers. For Advanced Certificate Manager (paid addon), you can choose Google or other CAs for Cloudflare.

But basically Google would be the one that is issuing an SSL cert for a website. Same as LetsEncrypt.

Disclaimer: CF employee

tomklein··on VanMoof’s team of ‘bike hunters’ appears to succeed where the city doesn’t
Swapfiets builds their own bikes and does not - never ever - sell them. If one gets stolen, it can‘t be resold without one noticing it’s stolen, as these are not in circulation in the first place and still owned by the company that built them
tomklein··on Ask HN: What's the Cheapest TLD?
Freenom has free TLDs (.tk, .cf, ….)

The cheapest over time will be .de with as less as 4€ a year depending on the registrar. The cheapest first year domain used to be .xyz with 0.99$ at Namecheap

tomklein··on Tell HN: Gmail Is Not Email
I run my own email server an never had any issues with email deliverability. There must be a reason for these bounces. Any SMTP logs?
tomklein··on Ask HN: Does Google search and crawler comply with GDPR?
Wouldn’t the one publishing these PII on a website be in breach of the GDPR rather than Google who just crawls it?
tomklein··on Ask HN: Namecheap is refusing to halt a novel phishing scam. Please Help
Or alternatively, a DNS lookup + WHOIS of the IP to get the Abuse contact of the hosting provider
tomklein··on Cloudflare Down?
For CF, we send out these status pages manually. It's usually delayed due to wording, but not to tamper with the SLA. We do keep track of the accurate times AFAIK.

Disclaimer: I work @ CF

tomklein··on AWS Service Terms: the clause 42.10
Glad to know that in such a catastrophical event, the military at least got permission to use Amazon Lumberyard for live combat.
tomklein··on Google, Amazon, Meta and Microsoft Weave a Fiber-Optic Web of Power
Google LLC is a subsidiary of Alphabet Inc. Don’t know about Facebook/Meta though
tomklein··on A public letter to CloudFlare to fix their snoopy vendor
What if the site owners change their SSL settings to Full SSL though?
tomklein··on [dead]
Original Discussion: https://news.ycombinator.com/item?id=29810733
tomklein··on Why is Control Center on Monterey listening on ports?
The first 1024 are reserved and you usually can freely choose the ones greater than that. You can also use .local for local domains.
tomklein··on Making the dislike count private across YouTube
Official blog post: https://blog.youtube/news-and-events/update-to-youtube/
tomklein··on Ask HN: What hosting allows 100TB a month of outbound traffic?
Any dedicated server with a 1 Gbps connection will probably do, but it depends on your tech stack.
tomklein··on Ask HN: Best neobank with great API / Marketplace
Sounds like a cool idea! Would love to try it out. Email is in profile
tomklein··on Ask HN: HTTPS and SSL Proxy security question
That’s what Certificate Transparency is for. If CT is required by the client, then the wrongfully issued certificate could be detected and the CA be reported for that.
tomklein··on Ask HN: What Server Powers 8.8.8.8?
Most of these DNS resolvers run on lots of servers instead of a single one. Whether it’s through load balancing, anycast, or other technologies.
tomklein··on 1.1.1.1 for Families
I coded a GeoDNS for a couple of my sites and Cloudflare‘s IPs are always geolocated to the nearest datacenters and works great in a GeoDNS setting.

Also, what about DNS resolvers that don’t support EDNS at all?

tomklein··on .club TLD is returning SERVFAIL errors
Looks like the .club TLD is returning SERVFAIL errors on the DNS level.
tomklein··on Cloudflare's Disruption
Actually, I bought it right after you told me about it! It’s super interesting and I learned a lot from it
tomklein··on Ask HN: Why everyone is copying the Mac's GUI?
Do you have a couple of examples for well-designed UIs?
tomklein··on Ask HN: How to deal with loved ones that are affected by fake news?
What I did after having argued several times is to straight up let them know that this isn’t true, told one or two examples on why these arguments are fake most of the time and that if they want to find arguments against it, that they would find some. Then I stop talking about such topics with them.

In my opinion, it‘s just not worth after having spent some time trying to discuss it with them. Especially when they don’t provide any backed arguments but just „random“ statements

tomklein··on Ask HN: How do you circumvent low upload bandwidth limits in the US?
Depending on what you’d like to do with it, you could get a server at a hosting provider that allows you to send in USB sticks with data and uploads it for you (makre sure the content is encrypted though) or get a colo with your own server which you then would have access to.

If you just need it as a cache as mentioned in another comment, you can go with a VPS

tomklein··on MarkMonitor left 60k domains for the taking
Subdomain points to a hosting provider. Hosting doesn’t know who the owner is (yet) and waits for someone to sign up/register. Attacker signs up before the real owner does, is lucky that the hosting provider does not verify ownership, and is able to serve whatever they want on the domain, for example a fake website or fake verification files.
tomklein··on Google Says Staff Have No Right to Protest Its Choice of Clients
I think one of the major advantages a tech company can have against their competitors is their culture and recently, Google seems to be losing out on this a lot. IMHO there is a huge difference between companies that just have workers and companies that are a group of people working towards a common goal/vision
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