Okay I will definitely read the tutorial but in the mean time I dont want to run a insecure system.
Please give me something to just get started. If thats not possible I will have to cope with it.
Thanks for your reply.
I remember using PF under FreeBSD only the following rules was enough
Code:
pass out all keep state
block in all
https://www.freebsd.org/doc/handbook/firewalls-pf.html