From c9d9b0601d859614324c304d7c3f7820f66d8094 Mon Sep 17 00:00:00 2001
From: Julien Dessaux
Date: Tue, 18 May 2021 18:12:44 +0200
Subject: Added freebsd docs article

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 content/docs/freebsd/pf.md | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 content/docs/freebsd/pf.md

(limited to 'content/docs')

diff --git a/content/docs/freebsd/pf.md b/content/docs/freebsd/pf.md
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+---
+title: pf.conf
+description: The template I use on new installations
+---
+
+## pf.conf
+
+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
+table <myself>   const { self }
+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)
+rdr-anchor "rdr/*"
+set skip on lo
+block return log
+
+##### This firewall #####
+block drop in on $ext_if
+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 out from <myself> to any
+```
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