this post was submitted on 19 Dec 2025
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My employer does the same over a proxy. Luckily it can't breach HTTPS, but it was annoying to set all my APs and router and switches and other network nodes to HTTPS just because the damn thing would block the site the moment I sent my password in cleartext to a local device...
You’re sure they aren’t decrypting your traffic? Check the root cert of any site and see if it’s their own root.
Larger companies that monitor for corporate passwords being entered on third-party sites usually use a browser extension that's force-installed using Chrome Enterprise. That's especially the case if they mandate the usage of Chrome.
Why do you say usually? It’s not what I do. I MitM every machine.
It's what I've experienced at FAANG companies. MitM isn't used and would break certificate pinning on sites (including internal tools) that use both certificate pinning and HSTS. The Chromium source code has a list of domains that are hard-coded to only accept particular root certificates.
I don’t MitM sites that are know to break. I also don’t decrypt healthcare or banking sites. In most cases you wouldn’t know it’s happening unless you look at the cert issuer.
This is definitely a thing.
Only if the site they’re visiting isn’t using HSTS, but it’s possible
I don't think this is correct. HSTS only prevents downgrading.
Yep, they're not decrypting HTTPS, I've triple checked. But we do have an MDM forced proxy service that does check any non-encrypted traffic...
What does that mean? HTTPS is a client-server thing, your APS and switches don't really have anything to do with that.
Web control panel. All my network runs OpenWrt and I prefer to manage it from the web UI instead of terminal tinkering.
Ahh that makes sense. I thought you were claiming you somehow got all your traffic over HTTPS with some AP settings.
Setting their management interfaces to be accessed via https because the VPN blocks (after snooping on) http only access would be my guess
Annoying, but ideally it would have been the initial configuration