Works fine in 10.8

Works fine in 10.7


Supports iCloud

Secured by Gatekeeper

Supports retina graphics

Viscosity icon

Available on the Mac App Store
Not available on the Mac App Store

Viscosity is an OpenVPN client for Mac, providing a rich Cocoa user interface for creating, editing, and controlling VPN connections.

Version 1.3.5
Developer SparkLabs
Status Works fine

0 ratings

1.4 (1070) seems to have fixed dns issues on mountain lion

Archived comments

No comments.11 comments

VictorVictorAnonymous 27 May 2012 10:53

My VPN solution no longer works. Looks like DNS or DHCP issues thou I'm not completely sure because I just dabble in VPN setups. I can only say the only thing that's changed is my OS. I've had the same access setup from Leopard and I've always access my company network with no issue. Now, in the details window the Network traffic starts off TUN/TAP Bytes stop going in/out after a few seconds. I can't ping any website. Within Network settings I see the DNS IP's change to my companies but again I can't ping anything. Viscosity has a imported .ovpn with ALL default settings.

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[ basti]bastiAnonymous 25 Jul 2012 22:38

Jul 25 19:23:46: TLS_ERROR: BIO read tls_read_plaintext error: error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed
Jul 25 19:23:46: TLS Error: TLS object -> incoming plaintext read error
Jul 25 19:23:46: TLS Error: TLS handshake failed
Jul 25 19:23:46: SIGUSR1[soft,tls-error] received, process restarting

any other has that problem under 10.8 ?

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[ Corey]CoreyAnonymous 25 Jul 2012 22:45

Yeah, I'm seeing a failure to pass DNS traffic over the VPN tunnel after an upgrade to 10.8.

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[ Colin]ColinAnonymous 26 Jul 2012 02:40

Yeah, I'm also seeing dns failures over the vpn.

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[ Colin]ColinAnonymous 26 Jul 2012 02:50

Right after I wrote that comment, I saw a notification for an update to viscosity. Installing it - version 1.4 (1070) - seems to have fixed the dns issues I was having

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Lion (10.7) Comments

[ Pierre]PierreAnonymous 08 Jul 2011 22:44

Could anyone explain the current note "[…] you are not totally hidden because of the big changes in Lion firewall. Viscosity need to update to support Lion."?

Visocity 1.3.3 works fine for me on 10.7GM.

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[ ]sparklabs 11 Jul 2011 09:51

Developer here: Viscosity 1.3.3 works fine under the current Mac OS 10.7 GM release (and hence presumably the full release when it becomes available).

The only known issue is that the tun/tap drivers (not Viscosity itself) may cause a kernel panic when waking from sleep if the network environment has changed. We've already worked around the issue, however as it is such a rare occurrence most users won't see it occur. We'll be pushing out a version update with a workaround when 10.7 becomes available.

As for the notes added by an anonymous user regarding "big changes in Lion firewall", they can be safely ignored. As a VPN client Viscosity has nothing to do with the Mac OS X firewall, and in addition we have had no trouble applying traffic rules for VPN traffic (for users into that kind of thing).

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[ Matt]MattAnonymous 23 Jul 2011 18:26

I am running version 1.3.3 and I have had no problems at all.

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[ gcityc]gcitycAnonymous 13 Nov 2011 20:33

suck my fucking ball, it did not work you pease of shit!!!

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[ 167984326]167984326Anonymous 13 Nov 2011 20:34

WTF does that mean?

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[ bvbvbvbvbvbvbv]bvbvbvbvbvbvbvAnonymous 13 Nov 2011 20:36

I'm still confused.

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