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[Radiusplugin-users] Bug#794593: auth control file not enabled by defaul

From: Samuel Thibault
Subject: [Radiusplugin-users] Bug#794593: auth control file not enabled by default?!
Date: Tue, 4 Aug 2015 20:40:13 +0200
User-agent: Mutt/1.5.21+34 (58baf7c9f32f) (2010-12-30)

Source: openvpn-auth-radius
Version: 2.1-6
Severity: normal


We have been having packet lossage due to one of the radius server being
down and the radius openvpn plugin using synchronous authentication,
thus preventing openvpn from processing traffic while the plugin waits
for some timeout before trying the other radius server.

Digging in the source etc. showed that this option needs to be enabled
to get asynchronous authentication:

# Allows the plugin to use auth control files if OpenVPN (>= 2.1 rc8) provides 

Is there really a reason for not just enabling it by default?  I don't
see any drawback, while I do see very good reasons to enable it by
default :) At the very least, the example configuration file should
emphasize loudly that the consequence of not enabling it is traffic loss
then the radius server doesn't answer.  Without reading the source, I
would have had no idea that I had to enable that to avoid the issue...


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