I installed the GM candidate of Mac OS X 10.11 El Capitan and my FortiClient VPN has stopped working. It completes the login, but after connection, no data is transferred - the incoming and outgoing freeze. It is a split tunnel connection and neither network or internet traffic works.
I tried disabling the firewall and System Integrity Protection, but neither had any effect.
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I've been trying since the first public beta, and now on the final GM Candidate. The VPN problem is there. Basically, what is wrong is that OS X's resolver is sending traffic out through the primary (original) network interface, even though the route table correctly shows that the VPN tunnel (ppp0) should be used.
When you use a command like nslookup, the DNS traffic goes through the VPN tunnel (ppp0) properly.
DNS name resolution fails because my VPN client is told to use my corporate DNS server, but my corporate DNS server refuses to serve name queries from outside the corporate network. When the FortiClient VPN is connected, OS X's name resolution traffic arrives at the DNS server with the client's public Internet IP address, and hence is refused by my DNS server.
Technically, this looks like an OS X bug. Or, perhaps there really is something wrong that FortiClient is dong. Either way, I hope FortiNet can rectify or take it up with Apple to fix El Capitan.
Facing the same issue. Latest FortiClient(5.3*) did not fix it.
But, FortiClient 4.0.2082 did not have any such issues(though it occasionally stops tunneling on its own).
Waiting for a fix like everyone, but 4.0.2082 is letting me work for time being.
I've gotten it to "work" by getting the DNS to use ppp0 and some route magic. Explanation is on: http://serverfault.com/questions/728702/how-to-get-forticlient-working-in-osx-el-capitan/728707#7287...
Let's hope either party fixes this, because running scripts after establishing VPN is quite cumbersome.
There is a new private build here:
https://dl.dropboxusercontent.com/u/58793690/mac/FortiClient_5.4.0.493_macosx.dmg
Would you guys give it a try?
Chris.Lin wrote:It works for now! Thanks!There is a new private build here:
https://dl.dropboxusercontent.com/u/58793690/mac/FortiClient_5.4.0.493_macosx.dmg
Would you guys give it a try?
Just ran El Capitan updates and it still does not work - bummer
Chris.Lin wrote:Thanks ! I had same problems that other people since 3 months with forticlient and this new build fixes the issue!!! Great job!Here is another interim build b499.
https://dl.dropboxusercontent.com/u/58793690/mac/FortiClient_5.4.0.499_macosx.dmg
5.4.1 release may be available at the end of February.
P.S. b493 from previous post is different from the official 5.4.0 b493. Developer made the change after 5.4.0 was released.
Try this. A more recent build.
After update to MacOS Sierra the client 5.4.1 works as expected....
FN says the release date of the client that "fixes Apple's problem" is January 25th. Way to take the initiative on a 6-month-old bug, guys!
any know if Apple fixed the problem with a new release?
The problem is not been fixed (El Capitan 10.11.3) . ;(
Just ran El Capitan updates and it still does not work - bummer
After update to MacOS Sierra the client 5.4.1 works as expected....
So does anyone know the current status of this problem and if a new release that addresses it has indeed shipped? We just started seeing FortiClient kernel panic crashes on El Capitan, regardless of release used.
Also of note is we started seeing Windows BSD on FortiClient 5.4 and had to revert back to 5.2.5.
I'm feeling very uncomfortable because I took a chance on Fortinet FortiGate at a new job based on really positive feedback from many places, but in my entire career working with many Firewall/VPN platforms including Cisco, Juniper, and Palo Alto I've NEVER seen a VPN client crash an OS. It's unthinkable really.
FortiClient does more than just VPN. But if you install the VPN only part of it, it may have less chance to crash the OS.
Chris.Lin wrote:We only install VPN, explicitly leaving out the endpoint protection components because we are not using them. I do get that having endpoint protection built in complicates the client and touches the kernel where these sorts of issues can arise, but whether I am using FortiClient in VPN only mode or full endpoint protection mode it should not crash the OS, period.FortiClient does more than just VPN. But if you install the VPN only part of it, it may have less chance to crash the OS.
Really, this makes an argument for having two versions of the client where those customers not using endpoint protection are not impacted by the hooks the client has in the OS to perform those functions and maybe those customers would be spared this mess.
Here is another interim build b499.
https://dl.dropboxusercontent.com/u/58793690/mac/FortiClient_5.4.0.499_macosx.dmg
5.4.1 release may be available at the end of February.
P.S. b493 from previous post is different from the official 5.4.0 b493. Developer made the change after 5.4.0 was released.
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