this post was submitted on 22 Jul 2023
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Lemmy.World Announcements

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Today, like the past few days, we have had some downtime. Apparently some script kids are enjoying themselves by targeting our server (and others). Sorry for the inconvenience.

Most of these 'attacks' are targeted at the database, but some are more ddos-like and can be mitigated by using a CDN. Some other Lemmy servers are using Cloudflare, so we know that works. Therefore we have chosen Cloudflare as CDN / DDOS protection platform for now. We will look into other options, but we needed something to be implemented asap.

For the other attacks, we are using them to investigate and implement measures like rate limiting etc.

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[–] boulderly@lemmyadmin.site 14 points 1 year ago (2 children)

I put this site behind cloudflare in response to this post. Other than having to change SSL/TLS encryption mode to Full, it seemed easy. I turned on bot fight mode and I'm using the managed WAF ruleset that comes with the free tier. Any configuration recommendations anywhere in the panel?

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[–] stevedidWHAT@lemmy.world 14 points 1 year ago

Welcome to the internet, glad there’s a working solution

[–] michael@lemmy.perthchat.org 13 points 1 year ago (5 children)

Hmmm, we're getting a fuckload of web requests on our Lemmy too... I think I'll enable CloudFlare too! :)

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[–] Anaralah_Belore223@lemmy.world 12 points 1 year ago (1 children)

Is it just me, or is old.lemmy.world still using its old IP address?

lemmy.world and m.lemmy.world

64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=1 ttl=56 time=46.9 ms
64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=2 ttl=56 time=50.3 ms
64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=3 ttl=56 time=48.0 ms
64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=4 ttl=56 time=50.1 ms
64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=5 ttl=56 time=50.1 ms
64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=6 ttl=56 time=50.2 ms
64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=7 ttl=56 time=47.0 ms
64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=8 ttl=56 time=54.0 ms
64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=9 ttl=56 time=50.1 ms
64 bytes from 104.21.53.208 (104.21.53.208): icmp_seq=10 ttl=56 time=49.8 ms
***
lemmy.world ping statistics
***
10 packets transmitted, 10 received, 0% packet loss, time 9010ms
rtt min/avg/max/mdev = 46.893/49.635/54.048/1.956 ms

old.lemmy.world should be cloudflared, too

[–] ruud@lemmy.world 14 points 1 year ago

Yeah we will fix that soon

[–] grandkaiser@lemmy.world 12 points 1 year ago

If you decide to use Akamai, hmu. I'm not an Alamai guru, but I do it professionally.

[–] HelloHotel@lemmy.world 12 points 1 year ago* (last edited 1 year ago) (9 children)

Whats the motivation to DDOS? How mutch is specific malice to lemmy or lemmy.world itself and how much is genaric.

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[–] ruud@lemmy.world 11 points 1 year ago

Yeah, first make sure it doesn't show anywhere anymore

[–] pickman_model@lemmy.world 11 points 1 year ago

Thanks a lot for all the work you folks are doing to keep this instance up.

[–] ryannathans@lemmy.world 11 points 1 year ago (5 children)

I assume you are rotating ip addresses after swapping to cloudflare?

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[–] Nerrad@lemmy.world 11 points 1 year ago

My biggest problem with CloudFlare is that very often they don't play nicely with VPN.

[–] Obstagoon@lemmy.world 11 points 1 year ago

Lmaooo Cloudflare is in the comments downvoting criticism

[–] Obstagoon@lemmy.world 10 points 1 year ago

It went down again, lol. For like an hour or so, right after I claimed it was working for me. Go figure. :B

[–] Noneo@lemmy.world 10 points 1 year ago (6 children)

Obviously cloudflares ddosing lemmy just to get some extra money

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[–] cantevencode@lemmy.world 10 points 1 year ago (6 children)

You should change the public IP of the server if you haven't already

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[–] Killgannon@lemmy.world 10 points 1 year ago

Nice try, Mr. Huffman.

[–] tylerthehuman@lemmy.world 10 points 1 year ago (2 children)

ah, rate limits. something twitter was absolutely blasted for but makes sense here because we love lemmy :) even though it serves the same purpose.

[–] RanchOnPancakes@lemmy.world 12 points 1 year ago (1 children)

There is nothing in theory wrong with a rate limit as long as its not set so absurdly low or to such a long amount of time as to impact actual users. The problem is implementing them stupidly.

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[–] Hyphlosion@donphan.social 9 points 1 year ago

Not sure if it’s related, but today on Mastodon, I’m unable to upload photos. Also can’t see pics from other users. Profile pics are mostly greyed out too.

[–] irotsoma@lemmy.world 9 points 1 year ago

Yeah, this is just growing pains for any website. Get popular enough for it to be "fun" to target. Then get enough data that it's "profitable" to target. Etc. And the usual way to deal is to first use an external solution at least until it becomes too expensive due to traffic volume. Then make your own solutions for problems you can solve yourself and pay external companies for the ones you can't.

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