[pve-devel] PVE Firewall and nf_conntrack

Stefan Priebe - Profihost AG s.priebe at profihost.ag
Tue Dec 2 09:51:07 CET 2014


Am 02.12.2014 um 09:31 schrieb Dietmar Maurer:
>> The kernel host log is full of:
>>
>> [1620408.606201] net_ratelimit: 462 callbacks suppressed [1620408.606204]
>> nf_conntrack: table full, dropping packet
>>
>> 1.) Where do we use nf_conntrack?
> 
> everywhere
>  
>> 2.) Should PVE ship with a sysctl file raising the nf conntrack limits?
> 
> You can adjust the value the the GUI (Host firewall option nf_conntrack_max)

Thanks, where does PVE set that value?

I've a custom /etc/sysctl.d/ conf file which sets the value to 6.5
Million but pve seems to reset the value on boot to 65536.

Stefan




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