APF on a VPS

I've read through some old posts about this, but I was told the old "apf doesn't work on vps's" is no longer true, so I'm asking if anyone knows how to fix the following error:

Development mode enabled!; firewall will flush every 5 minutes.
/etc/apf/firewall: line 1: /sbin/lsmod: No such file or directory
Unable to load iptables module (ip_tables), aborting.

I'm running a VPS, and I'm trying to setup an APF firewall.

Thanks,

-Kirk

 

 

 

 

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