Wireguard not coming up on DD-wrt

[Dennis van J.]

Hi Sebastian,

I took care of the FW problems. An iptables --list shows that the udp
port is open.

DD-wrt is running using: Firmware:DD-WRT v3.0-r36645 std (08/19/18).

Cheers,

Dennis


Op 9-10-2018 om 18:29 schreef Sebastian Gottschall:
>
> just to make sure. since i'm updating wireguard in dd-wrt very often
> to the latest state of art code from git. which dd-wrt version did you
> use for establishing the connection?
>
> did you also take care about usual firewall problems? by default the
> the firewall is closed on wan, so no inbound connection is possible
>
>
> Sebastian
>
> Am 09.10.2018 um 17:06 schrieb Dennis van J.:
>>
>> Hi all,
>>
>> I have setup Wireguard on a Gentoo box, compiled it into the kernel
>> using instructions on the wireguard website. Got my mobile to connect
>> using 4G to this box fine, so I wanted to test further with a friend
>> of mine who has a DD-wrt installation on his router. Wireguard is
>> integrated into the DD-wrt build, we set it up, but the tunnel does
>> not come up. On the server I only see this:
>>
>> Oct  9 16:45:34 omega kernel: [178809.449718] wireguard: wg0:
>> Receiving handshake initiation from peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:34 omega kernel: [178809.449721] wireguard: wg0: Sending
>> handshake response to peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:34 omega kernel: [178809.450130] wireguard: wg0: Keypair
>> 32179 destroyed for peer 10
>> Oct  9 16:45:34 omega kernel: [178809.450131] wireguard: wg0: Keypair
>> 32180 created for peer 10
>> Oct  9 16:45:39 omega kernel: [178814.519668] wireguard: wg0:
>> Receiving handshake initiation from peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:39 omega kernel: [178814.519671] wireguard: wg0: Sending
>> handshake response to peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:39 omega kernel: [178814.520062] wireguard: wg0: Keypair
>> 32180 destroyed for peer 10
>> Oct  9 16:45:39 omega kernel: [178814.520063] wireguard: wg0: Keypair
>> 32181 created for peer 10
>> Oct  9 16:45:44 omega kernel: [178819.579701] wireguard: wg0:
>> Receiving handshake initiation from peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:44 omega kernel: [178819.579704] wireguard: wg0: Sending
>> handshake response to peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:44 omega kernel: [178819.580094] wireguard: wg0: Keypair
>> 32181 destroyed for peer 10
>> Oct  9 16:45:44 omega kernel: [178819.580095] wireguard: wg0: Keypair
>> 32182 created for peer 10
>> Oct  9 16:45:50 omega kernel: [178824.910142] wireguard: wg0:
>> Receiving handshake initiation from peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:50 omega kernel: [178824.910145] wireguard: wg0: Sending
>> handshake response to peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:50 omega kernel: [178824.910535] wireguard: wg0: Keypair
>> 32182 destroyed for peer 10
>> Oct  9 16:45:50 omega kernel: [178824.910536] wireguard: wg0: Keypair
>> 32183 created for peer 10
>> Oct  9 16:45:55 omega kernel: [178829.950001] wireguard: wg0:
>> Receiving handshake initiation from peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:55 omega kernel: [178829.950003] wireguard: wg0: Sending
>> handshake response to peer 10 (x.169.86.x:22300)
>> Oct  9 16:45:55 omega kernel: [178829.950406] wireguard: wg0: Keypair
>> 32183 destroyed for peer 10
>> Oct  9 16:45:55 omega kernel: [178829.950407] wireguard: wg0: Keypair
>> 32184 created for peer 10
>>
>> Port on the server is open (since the 4G test works). We can reach
>> the 22300 port on his side. Checked the pub/private keys as well.
>>
>> wg show on server:
>>
>> interface: wg0
>>   public key: <pubkey server>
>>   private key: (hidden)
>>   listening port: 51820
>>
>> peer: <pubkey of mobile>
>>   endpoint: x.200.39.x:8971
>>   allowed ips: 0.0.0.0/0
>>   latest handshake: 8 hours, 1 minute, 43 seconds ago
>>   transfer: 384.24 KiB received, 2.74 MiB sent
>>
>> peer: <pubkey of dd-wrt>
>>   endpoint: x.169.86.x:22300
>>   allowed ips: 192.168.1.0/24, 10.100.0.3/32
>>   transfer: 2.00 MiB received, 1.24 MiB sent
>>
>> On DD-wrt router:
>>
>> interface: oet1
>>   public key: <pubkey dd-wrt>
>>   private key: (hidden)
>>   listening port: 22300
>>
>> peer: <pubkey of server>
>>   endpoint: x.197.199.x:51820
>>   allowed ips: 0.0.0.0/0
>>   transfer: 0 B received, 777.43 KiB sent
>>   persistent keepalive: every 25 seconds
>>
>> We are trying to get logging to work on that DD-wrt box, that should
>> contain some more clues but maybe any of you have an idea?
>>
>> Cheers,
>>
>> Dennis
>>
>>
>>
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>> WireGuard at lists.zx2c4.com
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