How taboola or other native ads detect vpn

blackcommoner · Feb 11, 2018

Hello,

I want to develop a native ad site like taboola for very small publishers.
I know some systems to detect bot and vpn. Bot is easily detectable by its behavior and vpn also can be detected cause most of them are using datacenter IP.
My question is, if someone use residential IP vpn, how taboola or other native ads detect them?
Any idea about that?

Regards

manpreet · Feb 11, 2018

i don't know but wouldn't the group ip be the same?

mexela · Feb 11, 2018

you will detect the well known datacenters but there are a lot of vpn/proxies providers which have ips under residential ISP

TiagoS · Feb 11, 2018

Well, it’s a problem. Residential proxies are in theory impossible to detect. But I guess networks use Browser footprint, Webrtc, etc to detect fraud. I’ve been seeing a lot of this WEBRTC thing, where they claim they can tell your real ip if you are using proxies. (not vpn)

ORM · Feb 11, 2018

WebRTC vulnerability has been know for a long time. If your browser has not webrtc disabled, your local IP will leak even tho you're behind a proxy. Same goes for VPNs.

To test if your IP is leaking when using proxy or VPN: www.whoer.net

blackcommoner · Feb 12, 2018

manpreet said:
i don't know but wouldn't the group ip be the same?

I dont think so. As you can see stormproxy has 70,000 residential ips.

mexela said:
you will detect the well known datacenters but there are a lot of vpn/proxies providers which have ips under residential ISP

Yes, that's what i am asking.

TiagoS said:
Well, it’s a problem. Residential proxies are in theory impossible to detect. But I guess networks use Browser footprint, Webrtc, etc to detect fraud. I’ve been seeing a lot of this WEBRTC thing, where they claim they can tell your real ip if you are using proxies. (not vpn)

Webrtc can track but they are helpless to Javascript with user's kindness (to download something)

ORM said:
WebRTC vulnerability has been know for a long time. If your browser has not webrtc disabled, your local IP will leak even tho you're behind a proxy. Same goes for VPNs.

To test if your IP is leaking when using proxy or VPN: www.whoer.net

Yah, whoer is much effective tool.
And webrtc can track but they are helpless to Javascript with user's kindness (to download something)

terrycody · Feb 12, 2018

Then they maybe just cant detect then.

blackcommoner · Feb 12, 2018

terrycody said:
Then they maybe just cant detect then.

It is actually confusing. If they cant detect then, this industry wouldn't run long.

blackcommoner · Feb 12, 2018

I think most of them are reliable on user behaviour. Even if a real person click or make impression with abnormal or doubtful behaviour, they will take it invalid. And if a bot or person using residential IP behavs natural, then they will count it as valid.

How taboola or other native ads detect vpn

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