[DragonFlyBSD - Bug #2586] (New) pf: "modulate" state seems problematic

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Wed Sep 25 19:36:06 PDT 2013

Issue #2586 has been reported by srussell.

Bug #2586: pf: "modulate" state seems problematic

* Author: srussell
* Status: New
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
Since 2010, I got constant reboot problems while using some particular configuration for pf.

I finally found the root of the problem. I fixed it by replacing this configuration:

pass out on $ext_if inet proto { tcp udp icmp } all modulate state

with this:

pass out on $ext_if inet proto { tcp udp icmp } all keep state

It seems that de "modulate" state is problematic. Since I replaced it by "keep state", my firewall is working normally without panic or unwanted reboots.

My firewall server is using DragonFly v3.2.2.6.g1bd21-RELEASE in 32 bits.

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