Here's the log
[12:59:46.014] Transmission 2.73 (13589) started (session.c:720)
[12:59:46.015] RPC Server Adding address to whitelist: 127.0.0.1 (rpc-server.c:803)
[12:59:46.015] RPC Server Adding address to whitelist: 192.168.*.* (rpc-server.c:803)
[12:59:46.015] UDP Failed to set receive buffer: requested 4194304, got 225280 (tr-udp.c:77)
[12:59:46.015] UDP Please add the line "net.core.rmem_max = 4194304" to /etc/sysctl.conf (tr-udp.c:82)
[12:59:46.015] UDP Failed to set send buffer: requested 1048576, got 225280 (tr-udp.c:88)
[12:59:46.016] UDP Please add the line "net.core.wmem_max = 1048576" to /etc/sysctl.conf (tr-udp.c:93)
[12:59:46.016] DHT Generating new id (tr-dht.c:309)
[12:59:46.016] Using settings from "/mnt/HD/HD_a2/.transmission-daemon" (daemon.c:517)
[12:59:46.016] Saved "/mnt/HD/HD_a2/.transmission-daemon/settings.json" (bencode.c:1731)
[12:59:46.016] transmission-daemon requiring authentication (daemon.c:537)
[12:59:46.016] Loaded 1 torrents (session.c:1941)
[12:59:46.016] Port Forwarding (NAT-PMP) initnatpmp succeeded (0) (natpmp.c:72)
[12:59:46.017] Port Forwarding (NAT-PMP) sendpublicaddressrequest succeeded (2) (natpmp.c:72)
[12:59:48.034] Port Forwarding (UPnP) Found Internet Gateway Device "http://192.168.1.1:5431/uuid:000f-66a3-e07b0200b4b4/WANIPConnection:1" (upnp.c:202)
[12:59:48.034] Port Forwarding (UPnP) Local Address is "192.168.1.106" (upnp.c:204)
[12:59:48.035] Port Forwarding (UPnP) Port forwarding through "http://192.168.1.1:5431/uuid:000f-66a3-e07b0200b4b4/WANIPConnection:1", service "urn:schemas-upnp-org:service:WANIPConnection:1". (local address: 192.168.1.106:51413) (upnp.c:279)
[12:59:48.035] Port Forwarding (UPnP) Port forwarding successful! (upnp.c:282)
[12:59:48.035] Port Forwarding Forwarded (port-forwarding.c:93)
Managed to download a file too XD