*** Bruno Clermont <bruno@robotinfra.com> [2016-10-20 16:55]:
>I tested and it works perfectly over TCP.

Great!

>For UDP, It’s worst than yesterday: GoVPN server never receive any packets.
>I see traffic coming on the wire with `tshark`, firewall rules are valid. I added plenty of debug code myself and it don’t even reach `conn.ReadFromUDP(buf)` anymore.

I see. Well, seems that something is on your OS side. I have not used
GNU/Linux for a long time, so do not know where better to look (sysctl
options?).

>OSX used to need 3rd party drivers for tun, now it’s part built in.
>only IPv4/IPv6 can goes in. no ethernet overhead. this can increase GoVPN throughput.
>
>tap interfaces aren’t available on Android and iOS. Tun are available… which mean GoVPN client can be used on mobile OS (easy with Go, just need to move out into a separate package some of govpn/govpn-client logic).

Sounds interesting. My personal needs exactly required Ethernet
tunnelling, so I wasn't thinking about TUN. Seems very useful thing,
so certainly needs to be done. Thanks for the suggestion!

-- 
Happy hacking