Updated freebsd pf article

1 files changed, 15 insertions, 6 deletions

diff --git a/content/docs/freebsd/pf.md b/content/docs/freebsd/pf.md
index d94db23..e6cf6e7 100644
--- a/content/docs/freebsd/pf.md
+++ b/content/docs/freebsd/pf.md
@@ -9,11 +9,9 @@ tags:
 
 ## pf.conf
 
-The open ports list is refined depending on the usage obviously... It is just a template :
+The open ports list is refined depending on the usage obviously... It is just a template:
 
 ```conf
-ext_if=vtnet0
-
 scrub in all
 
 table <jails>    persist
@@ -22,17 +20,28 @@ table <private>  const { 10/8, 172.16/12, 192.168/16, fd00::/8 fe80::/10 }
 table <internet> const { 0.0.0.0/0, !10/8, !172.16/12, !192.168/16, ::/0, fe80::/10, !fd00::/8 }
 
 ##### Basic rules #####
-nat  pass  on  $ext_if  from  <jails>  to  <internet>  ->  ($ext_if:0)
+nat  pass  on  egress  from  <jails>  to  <internet>  ->  (egress:0)
 rdr-anchor "rdr/*"
 set skip on lo
 block return log
 
 ##### This firewall #####
-block drop in on $ext_if
+block drop in on egress
 pass inet proto icmp all icmp-type unreach code needfrag  # MTU path discovery
 pass inet proto icmp all icmp-type { echoreq, unreach }   # echo reply
 pass inet6 proto icmp6 all
 
-pass in on $ext_if proto tcp from <internet> to <myself> port { ssh, http, https, smtp, smtps, submission }
+pass in on egress proto tcp from <internet> to <myself> port { ssh, http, https, smtp, smtps, submission }
 pass out from <myself> to any
+
+##### VPNs #####
+pass in on egress proto udp from <internet> to <myself> port 342
+pass in on wg0 from <private> to <myself>
+pass in on wg0 from <private> to <private>
+pass out on wg0 from <private> to <private>
+```
+
+A pre-requisite of this sample is to have set an `egress` group for your egress interface(s) like so in your `/etc/rc.conf`:
+```conf
+ifconfig_vtnet0="DHCP group egress"
 ```