OpenBSD - Setup Firewall IP Forwarding

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Al1en99

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Published on April 11, 2022 12:18:42 PM ● Video Link: https://www.youtube.com/watch?v=LLdbLOQdxw8

Duration: 6:39

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OpenBSD - Setup IP Forwarding
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nano /etc/sysctl.conf
net.inet.ip.forwarding=1
net.inet6.ip6.forwarding=1
--exit
nano /etc/pf.conf
set skip on lo
pass in on egress proto tcp from any to any port 80 rdr-to yourip
pass in on egress proto tcp from any to any port 443 rdr-to yourip
pass in on egress proto tcp from any to any port 22 rdr-to yourip
pass in on egress proto udp from any to any port 22 rdr-to yourip
--exit
usermod -G sshd username
doas pfctl -f /etc/pf.conf (to load your custom firewall rules as default)
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With this firewall edit, you have enabled the ports 22 80 and 443, both in ingoing and outgoing, to make OpenBSD works as a webserver, to make it possible to reach it from the outside world.
#al1en99 #openbsd #firewall