I would suspect a firewall issue. "Disabling" a firewall doesn't always shut down all of the processes that run in the background, so it is better to configure it correctly for use in the network than to disable it.
Hands-on: Acer Predator Triton 700 review
D&AD Awards 2017: see the best design, advertising, illustration, animation and VR of the past year
How to lose weight with an Apple Watch
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.