Second large Hetzner outage in a week caused by DDoS attack

#1

Post by xmpir » Fri, May 06, 2022, 9:15 PM UTC

Re: Second large Hetzner outage in a week caused by DDoS attack

#2

Post by xmpir » Fri, May 06, 2022, 9:26 PM UTC

#3

Post by _-david-_ » Fri, May 06, 2022, 9:27 PM UTC

>This concerns UDP traffic on port 9000-65535.

Does anybody know what usually runs on those ports?

#4

Post by rozenmd » Fri, May 06, 2022, 9:30 PM UTC

_-david-_ wrote: post #3

>This concerns UDP traffic on port 9000-65535. Does anybody know what usually runs on those ports?

Online games (MMOs, shooters, etc) come to mind

#5

Post by xmpir » Fri, May 06, 2022, 9:31 PM UTC

_-david-_ wrote: post #3

>This concerns UDP traffic on port 9000-65535. Does anybody know what usually runs on those ports?

I fear e.g. wireguard is affected.

#6

Post by deathanatos » Fri, May 06, 2022, 9:31 PM UTC

_-david-_ wrote: post #3

>This concerns UDP traffic on port 9000-65535. Does anybody know what usually runs on those ports?

That's 56,536 different ports. Half of everything (that uses UDP), more or less.

#7

Post by lordnacho » Fri, May 06, 2022, 9:31 PM UTC

_-david-_ wrote: post #3

>This concerns UDP traffic on port 9000-65535. Does anybody know what usually runs on those ports?

Isn't it most things that aren't a well-known service?

#8

Post by [deleted] » Fri, May 06, 2022, 9:32 PM UTC

_-david-_ wrote: post #3

>This concerns UDP traffic on port 9000-65535. Does anybody know what usually runs on those ports?

[deleted]

#9

Post by tiffanyh » Fri, May 06, 2022, 9:32 PM UTC

_-david-_ wrote: post #3

>This concerns UDP traffic on port 9000-65535. Does anybody know what usually runs on those ports?

I think games.

Hetzner is a popular host for game servers.

#10

Post by ricardobeat » Fri, May 06, 2022, 9:53 PM UTC

At their size, don’t they have some kind of hardware-level packet filtering ability like cloudflare to protect against these attacks?