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Cake day: June 11th, 2023

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  • Indexes start from zero because they’re memory offsets, but array[0] is still the first element because it’s an ordinal number, not an offset. It’s literally counting each element of the array. It lines up with the cardinality—you wouldn’t say ['A', 'B', 'C'] has two elements, despite array[2] being the last element.



  • Melmi@lemmy.blahaj.zonetoSelfhosted@lemmy.worldZeroTrust Your Home
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    3 months ago

    When done correctly, the banner is actually a consent banner. It’s a legal thing, not necessarily trying to discourage criminals. It’s informing users that all use will be monitored and it implies their consent to the technology policies of the organization. It’s more for regular users than criminals.

    When it’s just “unauthorized access is prohibited”, though, especially on a single-user server? Not really any point. But since this article was based on compliance guidelines that aren’t all relevant to the homelab, I can see how it got warped into the empty “you no hack” banner.



  • Yes, but only if your firewall is set to reject instead of drop. The documentation you linked mentions this; that’s why open ports are listed as open|filtered because any port that’s “open” might actually be being filtered (dropped).

    On a modern firewall, an nmap scan will show every port as open|filtered, regardless of whether it’s open or not.

    Edit: Here’s the relevant bit from the documentation:

    The most curious element of this table may be the open|filtered state. It is a symptom of the biggest challenges with UDP scanning: open ports rarely respond to empty probes. Those ports for which Nmap has a protocol-specific payload are more likely to get a response and be marked open, but for the rest, the target TCP/IP stack simply passes the empty packet up to a listening application, which usually discards it immediately as invalid. If ports in all other states would respond, then open ports could all be deduced by elimination. Unfortunately, firewalls and filtering devices are also known to drop packets without responding. So when Nmap receives no response after several attempts, it cannot determine whether the port is open or filtered. When Nmap was released, filtering devices were rare enough that Nmap could (and did) simply assume that the port was open. The Internet is better guarded now, so Nmap changed in 2004 (version 3.70) to report non-responsive UDP ports as open|filtered instead.



  • Just because you can work with one monitor doesn’t mean multiple monitors isn’t more comfortable though. You can have multiple windows open at once, at full size, and glance between them freely. No need for them to share the limited real estate of a single monitor.

    I run Sway on my laptop because it lets me take full advantage of my single monitor, but on my multi monitor desktop setup I use a regular floating DE.


  • Melmi@lemmy.blahaj.zonetoSelfhosted@lemmy.worldReverse proxy
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    7 months ago

    It definitely encrypts the traffic, the problem is that it encrypts the traffic in a recognizable way that DPI can recognize. It’s easy for someone snooping on your traffic to tell that you’re using Wireguard, but because it’s encrypted they can’t tell the content of the message.




  • Most things should be behind Authelia. It’s hard to know how to help without knowing what exactly you’re doing with it but generally speaking Authelia means you can have SSO+2FA for every app, even apps that don’t provide it by default.

    It also means that if you have users, you don’t need them to store a bunch of passwords.

    One big thing to keep in mind is that anything with its own login system may be more involved to get working behind Authelia, like Nextcloud.




  • Why would a random browser extension take it upon itself to snoop on your traffic to ensure that the websites you’re using can’t be used for illegal things, and then intentionally break it if it detects something it thinks it’s illegitimate? That’s a huge breach of privacy. It’s just malware at that point. It’s not like a court of law would hold your browser extensions responsible for your piracy. That’s like blaming a cup holder because the car was used in a robbery.

    No, I think this is just a bug. Especially since people have reported that the extension breaks other websites too.


  • As far as I’m aware, there’s nothing preventing a PluralKit equivalent from being made for other platforms. In fact, a quick search turned up a WIP Matrix port on github.

    So no, I don’t think this is true. Lack of PluralKit isn’t what’s preventing people from switching en masse. It’s the opposite—lack of people switching means there’s a lack of demand for a PluralKit port in the first place, so even though there is a port people don’t know it exists and thus it doesn’t get as much dev attention.

    It comes down to network effects, ultimately, and just plain inertia. If you’re already on Discord, and all your friends are on Discord, it’s hard to convince you to switch. And being more familiar with the Discord bot ecosystem (like PluralKit) is just one more thing that adds to the inertia.




  • What incentive would a bank have to release their apps as FOSS?

    You probably could create an open source banking app and use it to run a bank on a primarily open source software stack. But banks are not software companies, and they have no reason to engage with the FOSS world. We could think up lots of potential reasons for why a bank might not want to release their apps as FOSS, but the simplest answer is “why would they?”

    I’d love to live in a world where free software is the norm, but we’re not in that world. So if the bank has no incentive to do it other than the comparatively niche interests of the FOSS community, they just won’t do it.