I know this doesn't help much but I use T-Mobile cell towers with an always on VPN with no issue. But I don't see why they'd block Mullvad. (I'd be more concerned that they'd block them than wireguard in general). But there's completely legitimate reasons to use both so I don't see them really bothering to block either.
this post was submitted on 09 May 2025
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Privacy
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Harvesting tracking data is a revenue stream. T-Mobile and Verizon home internet have both been caught attaching tracking headers to TCP packets. A VPN strips those. If enough customers use VPNs, it really can impact their bottom line, as they have data on fewer customers to sell.
That's the "why they'd bother."
Yes but while the service is targeted for home use there still is remote work which generally requires a VPN back to the company network. They wouldn't be able to block this. Now sure they might be more inclined to block Mullvad but they'd impact too many businesses by blocking wireguard as a whole.
And assuming they did block Mullvad but not wireguard... Just rent a VPS and install a wireguard server and client there to bridge back to Mullvad.
You're absolutely right about not being good for businesses; most of those don't use Wireguard, though, unless that's changing. It's usually some proprietary crap.
The problem with renting a VPS - of which I already have several - is that at some point you have to pay for the data. Either it's uncapped, but throttled at a certain number of GBs, or you pay a rate per GB. The hell I'm going to pay T-Mobile and have to pay more because they don't allow VPNs.
But, it's starting to sound like they don't block them, so it's probably all good. Worst case scenario, I suppose I can always go crawling back to Comcast.
same situation here: tmo cell network + mullvad vpn. i only get blocked by websites that don’t allow vpn connections, like reddit.
hope to hear an answer to the op question tho. idk anyone w tmo fiber, but now i’m curious.
The reason I asked here was because my search popped up some results from people saying they had trouble with VPNs on their T-Mobile service.Some were on Reddit, which I can't get too unless I bounce around and find an exit node they aren't blocking, which I'm too lazy to do; and all of them were AFAICT about cell data service. I didn't find anything that mentioned fiber.
But, if they block VPN on one business unit (cellular), they're more likely to block on others, so I thought I'd check.
I've never seen a US ISP block VPN (so many employers require VPN these days and so many people at least occasionally wfh)
For accessing reddit behind a vpn there is a very reliable system of frontends. Here is the instance I use: https://redlib.freedit.eu/
This weeks MVP. Thanks!