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OpenBSD Security Functionally paranoid!

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Old 7th October 2020
PingPing's Avatar
PingPing PingPing is offline
Real Name: Hammond
Port Guard
 
Join Date: Jan 2015
Location: United Kingdom
Posts: 14
Default Firewall settings for Ports?

I think I have an issue with my pf.conf:
Code:
$ doas cat /etc/pf.conf
set skip on lo
block in
pass proto tcp to port { domain ssh http https } 
pass proto udp to port { domain }
When I try a simple pkg_add, eg:
Code:
$ doas pkg_add mariadb-server
things just hang, but when I disable pf:
Code:
$ doas pfctl -d
pf disabled
and try with pkg_add again, it installs.

I think I am missing something in my pf.conf. Please could someone tell me what I'm doing wrong?
Cheers
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Old 27th October 2020
dayid dayid is offline
Real Name: Dayid
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Join Date: May 2013
Location: GA
Posts: 5
Default

You have no way for packets to make it out.

Your 'pass in' will by default do "keep state" (meaning, if you allowed it in - the response will be allowed back out).

You likely want something as simple as "pass out" at the end of your ruleset to allow outbound traffic that you initiate to occur.
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