[CentOS-mirror] [Ticket#2020100504000801] Potential DOS attack against a mirror

Mon Oct 5 17:29:30 UTC 2020
Bogdan-Stefan Rotariu <bogdan.rotariu at chroot.ro>

Hi there,

> 
> On Oct 5, 2020, at 20:24, CEDIA FOSS Mirrors via CentOS-mirror <centos-mirror at centos.org> wrote:
> 
> hi
> 

<snip>
> 112.95.214.226 - China Unicom Guangdong province network
> 223.88.61.170   - China Mobile Communications Corporation
> 171.41.7.29       - CHINANET Hubei province network
> 120.84.10.190   - China Unicom Guangdong province network
> 27.221.66.104   - China Unicom Shandong province network
> 27.221.66.105   - China Unicom Shandong province network
> 112.32.21.93     - China Mobile Communications Corporation
> 27.221.49.135   - China Unicom Shandong province network
> 
> Have you noticed that in your mirrors? look for these IP and notice if they have been trying to continously download iso
> 

We did encounter the same issues with the same IP addresses and same iso file. Till now I thought it was an isolated issue..

—
Bogdan-Stefan Rotariu
CTO,Founder
Chroot Network SRL
WEB: http://www.chroot.ro
Phone: +40-731-247-668
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