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Bug #4611

closed

Limiter blocks port 80 traffic, passes other traffic

Added by David Gessel over 9 years ago. Updated over 9 years ago.

Status:
Duplicate
Priority:
Normal
Assignee:
-
Category:
Traffic Shaper (Limiters)
Target version:
-
Start date:
04/13/2015
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.2.1
Affected Architecture:
i386

Description

Details and screen shots are at https://forum.pfsense.org/index.php?topic=92214.0

Bug: Limiter blocks port 80 traffic for clients the limiter is applied to. 443 traffic seems fairly normal, email (587) works fine, ping is normal. No non-https sites will load. Disabling the rule that applies the limiter results in normal traffic (e.g. 80 works again). Moving the IP of the affected client into a non-limited group results in normal traffic. Re-enabling the limiter LAN rule or moving the client back into the limited IP block (as appropriate) results in non-HTTPS (port 80) sites being blocked.

Steps to recreate:
Create standard in/out limiters (set at 512k X 512k on a 2mbps x 2mpbs link in my case).
Apply limiter (by mac group alias in my case)
Limited client can't get to a port 80 site.

Actions #1

Updated by Chris Buechler over 9 years ago

you have transparent proxy enabled with squid?

Actions #2

Updated by David Gessel over 9 years ago

Yes - and uninstalling squid resolves the problem as well. However, both "fast" and "slow" traffic were being proxied by squid and only "slow" traffic was going through the limiter.

I apologize, I thought I had carefully tested squid out, but apparently not.

So the result of that test is that:
State Result
squid + limiter blocked traffic
!squid + limiter works, but microsoft update day is a disaster
squid + !limiter works, but users streaming to mobiles block work traffic
!squid + !limiter nothing blocked outright, but the network is unusable due to traffic.
Actions #3

Updated by Chris Buechler over 9 years ago

  • Status changed from New to Duplicate

same root cause as one or more of #4596, #4590 and similar

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