Hacked DVRs again?! (Probably the wrong forum, but probably of interest nonetheless)

Large Hadron Collider large.hadron.collider at gmx.com
Wed Jul 12 02:57:22 CST 2017

So, I run a small chat service and it has attracted abuse from multiple 
kinds of open device.

Most recently, I've found DVRs being spammed through. This is the kind 
of "default password"/"open Cisco" abuse that is very hard to detect 
with an open proxy scanner without, well, logging in and seeing if you 
get a shell.

Has anyone ever seen this? What can I do to prevent it?

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