Does YouTube streaming use UDP or TCP?

Both Amazon Prime and Netflix use TCP as the transport layer protocol. YouTube on the other hand use both UDP and TCP protocols. Since Amazon Prime is running on AWS, HTTP/2 is the protocol used by it. YouTube UDP uses QUIC.

What protocol is used for video streaming?

6 Video streaming protocols

Protocols	Definition
HTTP Live streaming protocol [62]	Created by Apple to communicate with iOS and Apple TV devices and Macs running OSX
Adobe’s HTTP Dynamic Streaming	HDS enables on-demand and live adaptive bitrates video delivery of standards-based MP4 media over regular HTTP connections

Does YouTube use UDP 443?

Google Chrome supports this protocol, and it is enabled by default. The feature is used when the browser connects to Google web services, such as Google and YouTube. The traffic between Chrome and these services is sent using UDP on port 443, and in some scenarios, the traffic can bypass the Web Security Service.

Does YouTube use HLS or dash?

YouTube Live Streaming Ingestion Protocol Comparison

Ingestion Protocol	Encrypted	Video Codecs Supported
RTMP	No	H.264
RTMPS	Yes	H.264
HLS	Yes	H.264, H.265 (HEVC)
DASH	Yes	H.264, VP9

Should I block UDP?

To make it simple, you’re recommended to block udp ports 1024-65534 in your router/firewall. Since most internet applications work in tcp protocol, blocking of these udp ports will not influence your internet access. If one of your application needs to use udp, for example, application A needs to use UDP port “N”.

Does YouTube use UDP?

Nowadays, things have changed though: YouTube is using both TCP and UDP. Actually, a lot of Google’s content is transported over QUIC, a UDP-based transport protocol. By the way, QUIC stands for Quick UDP Internet Connection.

What protocol does Amazon Prime video use?

Customers use Amazon CloudFront to stream video to viewers across the globe using a wide variety of protocols that are layered on top of HTTP. The Amazon Content Delivery Network (CDN) can be used with AWS Elemental Media Services to implement two different types of video streaming.

How do I block port 137?

Step 1: Open the Control Panel Step 2: Click on Windows Firewall/ Windows Defender firewall Step 3: Navigate to advanced settings. Step 4:Right click on inbound rules and click on new rule. Step 6:Select port and press next Step 7:Specify the port 137 under specific local ports, select UDP and press next.