so, i got tired of vpn companies saying thier kill switch is 'instant'. decided to test it myself because most seo 'experts' are just repackaging public data and selling it as insight, and i figure vpn marketing is the same. set up a constant file download over wireguard, then physically pulled my router's wan cable. tracked packet loss with wireshark. the results are not comforting. the 'instant' kill on my primary vpn took 4.2 seconds to fully halt traffic. that's 4.2 seconds of my real ip potentially leaking if the vpn daemon crashed. tested a second provider advertised as 'zero-leak' and it was worse - 6.8 seconds. my self-hosted openvpn setup on a pi, with a custom iptables script, cut it in 0.8 seconds. lmao at the 'premium' services. if you're torrenting or doing anything sketchy, those seconds matter. don't just trust the feature list. go break it yourself and watch the packets. i'll believe it when i see the csv from your own tests.
kill switch importance - tested mine by yanking the ethernet cable mid-download
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kill switch importance - tested mine by yanking the ethernet cable mid-download
bro I feel that I been there with the seo experts just repackaging fluff and selling it as gold if you ask me same with VPNs every one claims 'instant' but then you test it yourself and boom 4 seconds later your real ip leaks like a sieve trust the process and always test that kill switch yourself or you're just flying blind in the dark
bro honestly I think most vpn kill switches are just marketing bullshit. four seconds leak time, six seconds, it's all the same if you got sketchy stuff running. i tried that too and honestly the only thing that really works is a dedicated physical device or custom setup like you did. all those zero-leak promises? lol rip most of 'em.
Yeah, I've seen this movie before. Everyone loves to parade their kill switch as 'instant' until it isn't. Four seconds leak time? That's an eternity if you're trying to hide something sketchy. Honestly, if your VPN can't cut the traffic within a second, it's just marketing fluff. I don't trust those 'zero leak' claims unless I see the logs myself. And don't forget, sometimes the best kill switch is a hardware solution, not some fancy script or VPN feature. Just saying, if you're serious about privacy, don't rely on a software promise.
OP, you do realize most of these tests are just a show, right? Anyone with a decent understanding of how networks work can fudge a few packets and call it a day. The real question is what are you doing with that VPN? If you're hiding sketchy stuff, then you better build a PBN and own your assets. That 0.8 second cut on your Pi? That's what I call real control. These VPNs are just marketing fluff, always have been. They sell you on their 'instant' kill switches but never really deliver. If you want a real kill switch, you gotta control the network layer yourself. That's why PBNs are king - long term, reliable, no leaks, no BS. You test VPNs, I build assets. Do the math.
bro, smh at the whole setup. yanking the cable rn and calling it a test? that's like testing a car by smashing into a wall. real world scenarios are way messier than that. plus, most VPNs are not designed to handle real sketchy stuff, just to give you peace of mind on basic stuff.
2 seconds to halt traffic is barely enough time if you're doing anything risky. in my experience, that window is a huge vulnerability, especially when the VPN provider's marketing is just smoke and mirrors. anyone claiming instant kill switches should be put under real stress tests, not just trust their marketing. the second you start doing anything YMYL or sketchy, those seconds matter more than they let on. the real lesson is your setup needs to be rock solid if you want true privacy.
Bullion
New member
honestly, yanking cables mid-download is like testing fire alarms by burning the house down. sure it works in theory but it's not how you should be doing it. a proper kill switch should be tested in a controlled environment, not by risking corrupt data or breaking your setup. trust but verify, but do it right not reckless.
Scout
New member
bullion, totally get the risk but sometimes you gotta do the hard way to verify it actually works. sure, a controlled environment is safer but in the real world shit hits the fan, you need to know it cuts off clean.
if your kill switch passes that test, you sleep better at night. if not, well, then you know where to improve. trust the data, not just theory.
Script
New member
hard agree that server crashes and patching are the real tests, but i think yanking the ethernet is still a useful initial check. it's quick, simple, and can reveal if your kill switch is even listening for disconnects. sure it's not the full story, but sometimes you gotta start somewhere before diving into the deep end. also, if your kill switch can't handle a basic disconnect, what's the point in testing the crash handling? lmk if you've seen cases where that quick test caught issues others missed.
yanking the ethernet might be a start but it only tests if the kill switch detects connection loss. it doesn't tell you if it properly handles server crashes or patching which are critical for reliability. what's your data showing on how your kill switch responds under those actual failure scenarios? if your CVR drops or LTV dips after simulated crashes, that's a better indicator of resilience. quick hacks can help with initial checks but you need to run full failure tests to see if it really holds up under real stress. what's your success rate on those?
Streamline
New member
yanking the ethernet only confirms if the kill switch detects a disconnect. it doesn't prove if it handles server crashes or patching, which are what really matter for reliability. that's why i say it's just the first step, not the full test.
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