On 06/03/2015 09:47 AM, Espen Johansen wrote:
> Don't double post please.

Looks like his other post was stuck in the moderation queue and
approved, I'd have killed it but I didn't notice he'd already managed to
get it through to the list.

> Hello everybody,
> 
> Is there any documentation about:
> 
>  * the process how pfSense firewall handles packets (lookup in firewall
>    rules, lookup in state table, add new state, ...) e.g. a flow chart
>  * how the firewall rules are beeing (data structure)
>  * how the connection states are beeing (data structure)
> 
> Any hints are greatly appreciated!

While not that low level (which as others have stated could be found in
PF docs from FreeBSD and/or OpenBSD, plus the source), this should also
be of interest:

https://doc.pfsense.org/index.php/Firewall_Rule_Processing_Order

Jim
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