[CentOS] what percent of time are there unpatched exploits against default config?

[Ken godee]

> On 12/31/11 2:17 PM, Ken godee wrote:
>> We've been thinking of using the MaxMind GeoIP Country database with
>> Apache mod_geoip API to limit certain countries visiting our websites.
>>
>> Has anyone used this or have any input on it's usefulness?
>
> the virus/worm folks will just move to open relays that are not
> blocked.   I have something like 1/2 the total IP space blocked on this
> one forum I host that seems to attract a very large number of bogus
> signups, and it hasn't abated the 50-100/day of fake registrations yet.
> there's now 1700 subnets and another 1000 specific IPs blocked.   I can
> tell they are robotic assisted fake registrations because the 'Bio'
> field ('about you, why you want to join this forum') is always filled
> with one of 4 specific entries ("LO qUe eS bRaKbEaT", "Me gusta la
> guasa", "Loading...", or less often, "Robot").  initially, the vast
> majority of these fake registrations came from china, russia.  now they
> are coming from everywhere since I have almost all of china and russia
> blocked.
>

Grrr... didn't think of that. A quick google shows plenty of free or low 
cost US proxy servers. That would be the first thing I would do.