IPSec Mobile client (MacOS and iOS)

[eustachy]

Welcome

I have some isues from about 2 weeks when connecting from Yosemite (OSX) and iPhone (iOS 9).
I've configured connection about 2 months ago, and all works fine.
After upgrade, I can't connect from any of this devices. Windows Shrew client works ok.
I looked in logs, but nothing special (no errors).
I have this situation about 1,5 month ago, but I upgrade to next release, and all works fine.

Do You have any ideas , where to start digging?

Thanks
Rafal

[franco]

Hi Rafal,

this most likely happened with 15.1.11.4 when StrongSwan got bumped from 5.3.0 to 5.3.2. I saw related commits in pfSense, e.g.

https://github.com/pfsense/pfsense/commit/29c9e14002b4a1566fa6afc6c4933b384b8e2242

I don't know the full scope of the problem yet, but I can, however, suggest a workaround based on reverting back to StrongSwan 5.3.0 in a little bit. Stay tuned.


Cheers,
Franco

[eustachy]

Thanks franco for a quick reply.

I was thinking that the problem is in strongswan package.
Do You know, how can I revert back to this package?

Thanks
Rafal

[franco]

From the root shell, do the following:

Please pick the right architecture and SSL flavour from the following links...

# fetch https://pkg.opnsense.org/snapshots/amd64/LibreSSL/strongswan-5.3.0_2.txz
# fetch https://pkg.opnsense.org/snapshots/amd64/OpenSSL/strongswan-5.3.0_2.txz
# fetch https://pkg.opnsense.org/snapshots/i386/LibreSSL/strongswan-5.3.0_2.txz
# fetch https://pkg.opnsense.org/snapshots/i386/OpenSSL/strongswan-5.3.0_2.txz

Afterwards:

# pkg add -f strongswan-5.3.0_2.txz
# pkg lock -y strongswan

This will prevent future firmware updates to the StrongSwan package. To unlock and go back to the latest version do this:

# pkg unlock -y strongswan
# pkg upgrade -y strongswan

Please let me know if that helps your case. :)

PS: You'll need to manually restart StrongSwan (or reboot) for the daemon to run the correct version (e.g. via the GUI)

[eustachy]

Ok I try tommorow, I don't want to take overtime in work today. :)

Thanks Rafal

[eustachy]

I do it, as You wrote, rebooted service from gui via Status>Service>IPSec, but I still can't connect.
Where can I check currently used package version (of strongswan).

Thanks
Rafal

[franco]

The GUI for firmware is a work in progress. From the command line, you can do:

# pkg info strongswan

This gives you a bunch of strongswan-related information, including the installed version.

It may also be related to the recent OpenSSL/LibreSSL updates. There are still images available for 15.1.11.1, which could help pin down the problem:

https://pkg.opnsense.org/releases/15.1.11.1/

This is the only problem report we've heard of so far. Are you sure there have been no changes in your network regarding routing or firewall rules?

[eustachy]

Ok, so it is correct version:
root@srv-gate01:~ # pkg info strongswan
strongswan-5.3.0_2
Name           : strongswan
Version        : 5.3.0_2
Installed on   : Wed Jul  1 08:21:29 CEST 2015

I know this is a stupid question, but I will check:
On my home page:
OPNsense 15.1.12-amd64   
FreeBSD 10.1-RELEASE-p12   
OpenSSL 1.0.2c 12 Jun 2015

This sugesting that I'm using OpenSSL not LibreSSL?

Thanks
Rafal

[franco]

Yes, you are running OpenSSL. There have been API bumps for both SSL flavours just before 15.1.12 came out that might be related to what you are seeing.

[eustachy]

Ok, so last thing, I can do it, it is to downgrade OPNSense. I will try it in non production enviroment first..

Thanks
Rafal

[franco]

Thank you for your efforts! :)