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Bug #6499

closed

pf fragment states not purged

Added by Chris Buechler over 8 years ago. Updated about 7 years ago.

Status:
Resolved
Priority:
Normal
Category:
Operating System
Target version:
Start date:
06/17/2016
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.3.x
Affected Architecture:

Description

pf_purge_expired_fragments doesn't purge, leaving users with "PF frag entries limit reached" where fragmentation is common. Fixed in FreeBSD in:
https://github.com/freebsd/freebsd/commit/e52f10d75532dd9da8b35227845a7b9cef344d60

confirmed that works on manually-built kernel, merging to our RELENG_2_3 src momentarily.

Actions #1

Updated by Chris Buechler over 8 years ago

  • Status changed from Confirmed to Feedback

fix pushed

Actions #2

Updated by Dmitriy K over 8 years ago

This fix wont be pushed in current stable?

Actions #3

Updated by Chris Buechler over 8 years ago

  • Target version changed from 2.3.2 to 2.3.1-p6

Dmitriy K wrote:

This fix wont be pushed in current stable?

Needed to be confirmed in 2.3.2 snapshots first.

Now cherry-picked to 2_3_1 as well.

Actions #4

Updated by Chris Buechler over 8 years ago

  • Status changed from Feedback to Resolved

fixed

Actions #5

Updated by Chris Buechler over 8 years ago

  • Target version changed from 2.3.1-p6 to 2.3.2
Actions #6

Updated by Hillie Sample about 7 years ago

Chris Buechler wrote:

fixed

Every so often I am seeing "[zone: pf frag entries] PF frag entries limit reached" on my monitor attached to my pfsense box.

I am running:
2.3.4-RELEASE-p1 (amd64)
built on Fri Jul 14 14:52:43 CDT 2017
FreeBSD 10.3-RELEASE-p19

Should I still be seeing this message in this version? Thank you.

Actions #7

Updated by Jim Pingle about 7 years ago

The specific bug on this ticket is fixed on version 2.3.2 and later. Your system may legitimately have a lot of fragments at a time which could trigger the message. There is a GUI knob to increase the frag limit if you need it: System > Advanced, Firewall & NAT tab, "Firewall Maximum Fragment Entries". Discuss on the forum/mailing list/Reddit if you want more info.

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