[Firewall] Big list in block-file -> crash server

Michel van Dop mvandop at xs4all.nl
Thu Apr 25 12:05:22 CEST 2013


 

Hi Arno,

The machine gave no reaction (no sreen error), only what i
can do is reset the vmware client. 

Afther the reset i can not find any
errors in the /var/log/messages about the freezing.

Now i try to block
only Germany and United States (61000) (lines). 
And i try to change
this: sysctl -w net.netfilter.nf_conntrack_max=65536

More tips are
welcome! :-)

Michel

Arno van Amersfoort schreef op 2013-04-25 11:27:


> What do you mean *exactly* by "crash". Kernel OOM error, freezing,
.... ?
> 
> a.
> 
> On 4/25/2013 9:43, Michel van Dop wrote:
> 
>> Hi,
Since i have use 165176 host / subnets (lines) in my block list my new
server CentOS 6.4 crash 2 times in 3 days. Any one idee what i need to
change in my network setting? 1/2 blocklist? Best regards, Michel
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