mtz_federico

Check if your modem/router has the ability to set a device as DMZ, then set your console's ip as DMZ. If it doesn't work, you might be behind Carrier grade NAT (CGNAT) and in that case there is nothing you can do.

Are you using Jumbo Frames? How is the cpu usage when you run the tests?

Wifi is terrible for low latency, I recommend trying to use an ethernet cable (at least to test the internet and see if the problem is wifi or not)

You could try openDNS, if you create an account you can block specific domains (just like pihole, but without blocking the ads)

I don't think they are going to keep it or at least is going to be more expensive because we are running out of ipv4 addresses but they might already give you a publicly routable ipv6 address

Does it only happen with your PC? when you say disconnect, what happens? does the internet not work or does it say that the cable is unplugged, etc? My first tought was DHCP lease but if it is only happening on your PC then it is probably not that

do a traceroute and check how many hops are internal ips (192.168.x.x / 10.x.x.x / 172.16.x.x). Do you pay your landlord for internet or an isp? if it is your landlord then you might be connected to their router. if it's an isp you could be double natted and receive a direct ethernet connection (l know that webpass (now google fiber) does that)

It is usually used for point to point connections (one in one building and another in one building) but it should work as an access point (make sure that it is possible before buying one). Just keep in mind that it is 5 Ghz Only. Since the theoretical range is 15 Km (9.3 mi) if you point it directly to your garage and the garage is not made of concrete and within 5 mi (ish) you should be able to get good coverage. If it is made out of concrete or if you have 2.4 Ghz only devices you could put two outside (one in the garage and one in your house) and connect it to an access point or a router acting as an access point to get wifi. Here is a good video on this model

By monitoring what do you mean? making sure they work? checking system load? If you only need to check that they work you could make a script that runs every 5 to 10 minutes and checks certain pages on each server

dns over https doesn't cause ip leaks

It looks good

You could also (but it is more complicated and not for home networks) use bgp to find the best path to an ip. But I don't think that using bgp is considered as "load balancing"

If you can install the apps and make changes with a few commands and not have to interact with the screen (selecting options, etc) then it should be pretty straight forward.

I have learned by doing things, watching and reading about networking. For example I learned to use ssh and linux when I wanted to run a minecraft server in a linux server when I was 13. but you might not have enough time to mess around. I recommend you to read a bit on what you want to learn, then try to deploy it (use virtual machines in case you mess up) and try to use it, then once you feel comfortable read on best practices and try to implement them. Making notes about how to do certain things is useful in case you need to redo it in the future.

I have done it before and depending on the router settings it is not very hard

Yes, if you are also using that router as an acces point (for wifi) you can try to put it on AP mode but since you said that you tried and it didn't work you can also just turn off dhcp, give it a static lan ip on the same ip range as the first router and move the ethernet port that connects to the first router from the wan port to a lan port. If you tell us your router models we might be able to help more.

like an internal hard drive and an enclosure or an external tower hard drive?

it sits on a desk

Alright, I am probably going to get the drive. I might get the nas later but the idea is to do backups and store other files and maybe run a few docker containers

I am looking for an external 2tb hard drive that uses usb 3.0 to replace an old 1TB WD hard drive because it uses usb 2.0 and I am worried about it failing. currently I am thinking about getting a 2tb Seagate Backup Plus Slim but I want to get advice on reliable external hard drives, which drives or backup solutions do you guys use? I am also thinking about getting a synology nas, any advice?

I'm not sure if it would work but you could take a look at Ubiquiti's passive POE to 802.3a. I have seen people use it with cisco switches to power Ubiquiti cameras

You could use a Unifi Industrial. But you are better off getting a cheaper switch and putting it next to the router but you would need to extend the cables.

Does the problem happen when you connect to the extenders, the router, or both?

I am not sure what you mean by public and external firewall but you are probably refering to CGNAT (carrier grade NAT). NAT is used so that many devices can share an ip, your router is doing nat so that your devices can connect to the internet. Many ISPs are starting to do that for many clients (meaning, your ISP is doing NAT and your router is also doing NAT) since we have run out if ipv4 addresses, if your isp is doing CGNAT then yes you would probably have to call your isp to open ports and they might charge you extra. ipv6 solves this problem, so if you have ipv6 and devices that you are using/want to use to connect to your nextcloud also have ipv6 you could bypass this problem completely. you can check if you have ipv6 at ipv6-test.com

Have you tried running ping on multiple computers? Note: everyone has a dns server and changing your dns won't change your ping, it would only make things load a bit faster the first time you open them. I do recommend using 1.1.1.1 and 1.0.0.1 for dns since it is faster than most dns servers provided by ISPs. here is how A better latency test would be a traceroute over tcp since many ISPs do things with ICMP packets, here is a tutorial but you don't have to.