Conflict with CISCO AnyConnect

[GoogleCodeExporter]

What steps will reproduce the problem?
1. Install CISCO AnyConnect -- runs fine
2. Install Tunnelblick
3. Tunnelblick cannot create connection; fails with "Cannot open TUN/TAP dev 
/dev/tun0: No 
such flie or directory (errno-2)

What is the expected output? What do you see instead?

What version of the product are you using? On what operating system?
v 3.0b9 on Mac Leopard 10.5.3

Please provide any additional information below.

Original issue reported on code.google.com by lindacus...@gmail.com on 16 Aug 2008 at 3:31

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This is a known problem with the tun/tap driver on Mac OS X (see 
http://tuntaposx.sourceforge.net/faq.xhtml).

Original comment by angelol...@gmail.com on 19 Nov 2008 at 3:19

• Changed state: Accepted

[GoogleCodeExporter]

It's a known problem ... is there a target for when it will be fixed?

Original comment by zet...@gmail.com on 29 Jan 2009 at 4:15

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That will need to be asked to the tun/tap project. Direct the question to the 
url previously provided.

Original comment by batman...@gmail.com on 31 Jan 2009 at 5:04

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To disable CiscoTUN in order to start Tunnelblick, issue this command:
sudo /System/Library/StartupItems/CiscoTUN stop

Original comment by jpoll...@gmail.com on 16 Jul 2009 at 1:03

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Tunnelblick 3.1beta06 and higher include changes to the way tun/tap kexts are 
loaded and the ability to run special scripts before Tunnelblick loads the 
kexts and after it unloads them.

A pair of such scripts submitted by petiepooo load and unload the Cisco 
AnyConnect tun kext. They allow you to connect to a Cisco VPN or an OpenVPN VPN 
(but not both simultaneously). Petiepooo's scripts are available on the 
Downloads page at 
http://code.google.com/p/tunnelblick/wiki/DownloadsEntry#User-Contributed_Script
s

Original comment by jkbull...@gmail.com on 1 Aug 2010 at 1:16

• Changed state: Fixed