this post was submitted on 04 Mar 2026
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How to access home network (eg, VPN) without port forwarding? (feddit.uk)
submitted 1 day ago by Flax_vert@feddit.uk to c/selfhosted@lemmy.world
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So basically, I will be away from home for several weeks. Unfortunately, this became the perfect time for our home router to start acting out and factory resetting itself. We are awaiting a new router for replacement, but the time is tight.

My stuff is ethernetted in, so that connectivity isn't an issue - the issue is that I couldn't actually connect to the router to restore services even if it had internet by fixing all the settings including port forwarding.

What I would like would be the ability to have a VPN connected to my homelab, so I can hop on the router and restore the settings if this issue happens while I'm away. Any ideas?

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[–] paper_moon@lemmy.world 3 points 1 day ago* (last edited 1 day ago) (1 children)

Chiming in to say: I've had issues in the past where the WiFi router was factory resetting itself and it turned out this can happen if the power supply isn't powerful enough for the device. In this case, I think I had gotten the WiFi router 2nd hand from Goodwill or something, and the provided power supply fit in the port, and it had the same voltage, but was an amp underpowered, instead of being something like 12volts 3.5amps, the plug was supplying 12volts 2.5amps, and I guess everything was fine until the unit needed more power (likely from routing high amounts of traffic, or more WiFi units connected)

I had no idea factory resetting could be the result of something like this so I was at a loss for a while until I found the info online.

So: check to make sure that

  1. The power supply matches what the unit is requiring, and if it is,

  2. If you have another power plug that matches the barrel jack size, volts and amps, try using that one in case the power supply itself is going bad.

[–] frongt@lemmy.zip 1 points 1 day ago

At least as many amps. An over-specced PSU is fine in watts or amps, but if voltage is too far off, you'll see just the same issues, or worse, it'll get fried.

(PSUs do require a certain level of load to run, especially efficiently, so don't have a whopping 15A PSU for a 500mA device, but anywhere in the same ballpark is fine.)