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: >>   private key: (hidden) >>   listening port: 51820 >> >> peer: >>   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: >>   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: >>   private key: (hidden) >>   listening port: 22300 >> >> peer: >>   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 >> >> >> >> _______________________________________________ >> WireGuard mailing list >> WireGuard@lists.zx2c4.com >> https://lists.zx2c4.com/mailman/listinfo/wireguard