[CentOS-mirror] DOS attack downloading DVD isos

Nick Olsen Nick at 141networks.com
Wed Nov 25 23:19:18 UTC 2009

A lot of mirrors do this anyways. ISO's are big files, HTTP wasn't made 
to move big files. Most people do this just so the user has a better 
chance of the download completing successfully.

On 11/25/2009 6:10 PM, Pär Andersson wrote:
> Mogens Kjaer<mk at crc.dk>  writes:
>> Redirecting http requests to ftp solved the problem:
> Is this really ok on a CentOS mirror? In the mirror list it says that
> you support HTTP but with this config that is not true for ISOs.
> For most people this probably makes no difference, but there are
> networks where stupid NAT and/or firewalls lets you access HTTP but not
> FTP.
> I limit the amount of connections/IP to 2 for the ISOs instead, this
> seems to work quite ok against download accelerators.
> --
> Pär Andersson
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