What ports are used by Synology?

7. Packages

Type Port Number Protocol
Synology Drive Server 80 (link sharing), 443 (link sharing), 5000 (HTTP), 5001 (HTTPS), 6690 (Synology Drive Client) TCP
Synology High Availability (HA) 123 (NTP), ICMP, 5000 (HTTP), 5001 (HTTPS), 1234, 9997, 9998, 9999 (Synology Assistant), 874, 5405, 5406, 7400-7999 (HA) TCP/UDP

What ports does iMessage use?

Some router features, such as port mapping, SIP dropping, or dynamic opening of media ports might interfere with FaceTime and iMessage….If you use FaceTime and iMessage behind a firewall.

FaceTime iMessage
80 (TCP) 443 (TCP) 3478 through 3497 (UDP) 5223 (TCP) 16384 through 16387 (UDP) 16393 through 16402 (UDP) 80 (TCP) 443 (TCP) 5223 (TCP)

What port does Itunes use?

App Store

Hosts Ports OS
*.itunes.apple.com 443, 80 iOS, iPadOS, tvOS, and macOS
*.apps.apple.com 443 iOS, iPadOS, tvOS, and macOS
*.mzstatic.com 443 iOS, iPadOS, tvOS, and macOS
itunes.apple.com 443, 80 iOS, iPadOS, tvOS, and macOS

Should I change Synology default port?

Change the default ports Synology’s default ports to access your NAS are 5000 and 5001 and you should change them.

Should I change default ports?

On it’s own, changing to a different port might gain you a couple of seconds while it’s searched for, hence gaining you nothing in real terms. However, if you combine the use of non-standard ports together with anti-portscan measures it can give a really worthwhile increase in security.

Should I disable admin Synology?

To prevent brute-force attacks and to enhance the security of your Synology NAS, we strongly recommend disabling the default “admin” account. Doing so does not have a major impact on DSM, unless you have previously configured packages and settings using the admin account.

What does port number 6881 mean in P2P?

ABC (a.k.a. Yet Another Bittorrent Client), BitTorrent P2P traffic, Azureus P2P traffic (6881-6889) Port numbers in computer networking represent communication endpoints. Ports are unsigned 16-bit integers (0-65535) that identify a specific process, or network service.

Why is Port 6881 blocked on my computer?

This kind of ban will often be reported under the “Tracker Status” of a torrent in its Details screen, with the blacklisted information. The same goes for ISPs, who recognize the port 6881 to be used mostly for bittorrent traffic, and it might be the first port to be blocked if the ISP starts to block/throttle/shape bittorrent traffic.

Is it safe to use port 6881 for BitTorrent?

The same goes for ISPs, who recognize the port 6881 to be used mostly for bittorrent traffic, and it might be the first port to be blocked if the ISP starts to block/throttle/shape bittorrent traffic. If you mostly receive blue health smileys, you might suspect that to be the reason. The best advice is to never use ports from the range 6881-6999.

What’s the difference between UDP and TCP port 6881?

Guaranteed communication over TCP port 6881 is the main difference between TCP and UDP. UDP port 6881 would not have guaranteed communication as TCP. UDP on port 6881 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice.