Difference between revisions of "OpenBSD Firewall / PF"

Revision as of 13:36, 11 June 2011

Project: OpenBSD Firewall / PF
Featured:
State	Active
Members	Antarez, Vicarious
GitHub	No GitHub project defined. Add your project here.
Description	building a gateway on openbsd
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In this talk we will be building a highly available firewalling gateway. It is not a lecture or talk, it's a hands-on workshop.

how to play:

@@ Line 13: / Line 13: @@
 *use "tmux a" to attach to the shared session
 *break things, discuss, fix things
-<pre>
-# PF Rules ACKspace gateway 2
-### Macros ###
-ext_if = "fxp0"
-int_if = "{ fxp1 vlan10 vlan11 vlan12 vlan13 vlan14 vlan15 vlan16 vlan17 vlan18 vlan19 vlan20 vlan21 vlan22 <br> vlan23 vlan24 vlan25 vlan26 vlan27 vlan28 vlan29 vlan30 vlan31 vlan32 vlan33 vlan34 vlan35 vlan36 vlan37 <br> vlan38 vlan39 vlan40 vlan41 vlan42 vlan43 vlan44 vlan45 vlan46 vlan47 vlan48 vlan49 vlan50 vlan51 vlan52 <br> vlan53 vlan54 vlan55 vlan56 vlan57 }" <br>
-gw2_ext = "213.125.94.212"
-icmp_types="echoreq"
-tcp_services="{ ssh }"
-private_networks="{ 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16, 255.255.255.255/32, 127.0.0.0/8 }"
-### Skip Policy ###
-# Skip any filtering if it is on infterface localhost
-set skip on lo
-### Block Policy ###
-# Provide nice blocked messages
-set block-policy return
-### Default Policy ###
-# Block all unless a allow rule exists
-block in log
-block out log
-</pre>