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Is there a list of blocked urls, and reason of blocking? #285

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mayli opened this issue Apr 28, 2021 · 6 comments
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Is there a list of blocked urls, and reason of blocking? #285

mayli opened this issue Apr 28, 2021 · 6 comments
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@mayli
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mayli commented Apr 28, 2021

{
"status": "error",
"code": 404,
"message": "The hostname of the origin is unresolvable (DNS) or blocked by policy."
}

This seems to be a bug

"GET /?url=http://up.ccp.ovh/files/NrjVd/e6.png&w=240&il&output=webp HTTP/1.1" 200 5892 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Safari/537.36" 1619573101.909
"GET /?url=http://up.ccp.ovh/files/NrjVd/e6.png&w=240&il&output=webp HTTP/1.1" 404 132 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Safari/537.36" 1619573102.982

The first requests went through, but the second or consecutive ones got 404.

@mayli mayli changed the title Is there a list of blocked urls? Is there a list of blocked urls, and reason of blocking? Apr 28, 2021
@andrieslouw
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Normally all urls are parsed by https://community.opendns.com/domaintagging/

To prevent our public service from being blocked or attacked by DMCA's, we block these categories:

  • Adware
  • Anime/Manga/Webcomic
  • Gambling
  • Hate/discrimination
  • Nudity
  • Pornography
  • Proxy's (to mitigate the risk of redirect-loops)
  • Sexuality
  • Tasteless

Due to recent abuse and DMCA complaints, we added a list of domains ourselves on top of this. I will need to check if your domain is in this list.

Please use the source code provided here to host your own solution if you're blocked.

@andrieslouw
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Just checked: ccp.ovh was blocked by script, due to related DMCA issues. I removed the block for now, and will monitor again.

@andrieslouw andrieslouw self-assigned this Apr 28, 2021
@espressoelf
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Sorry for hijacking this, but answering here seems to be more appropriate than creating a new issue. Is live.flickr.com on your blocklist, too? OpenDNS didn't change their assigned tags as far as I can see, but I get the same error as mentioned in the initial post.

@andrieslouw
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flickr.com is not on our list (and also no subdomains), but live.flickr.com gives NXDOMAIN. I asked the nameservers of flickr.com, but they cannot find live.flickr.com. Are you sure that live.flickr.com exists?

@espressoelf
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I'm sorry, looks like I typo'd, should've copy&pasted it. live.staticflickr.com is the one I'm talking about. It inherits the CDN tag from Cloudfront on OpenDNS.

@andrieslouw
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Thank you, removed it from our list, it triggered our abuse detection scripts. Should work again soon(ish)!

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