Update ports-and-protocols.md

[ayushpatil2122]

Description

The Ports and Protocols documentation currently describes the port range of 30000-32767 as being reserved only for TCP NodePort services. Kubernetes also uses this range for allocating UDP NodePort services, however this is undocumented

For a node port Service, Kubernetes additionally allocates a port (TCP, UDP or SCTP to match the protocol of the Service). this is mention here about UDP protocols:https://kubernetes.io/docs/concepts/services-networking/service/#type-nodeport

Issue

#47723

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[sftim]

/sig network

[sftim]

@kubernetes/sig-network-pr-reviews - is this technically correct?

[network-charles]

Hi, Tim, it looks valid. See below. https://github.com/kubernetes/website/blob/4c2a1c05c68f4dd7648c32ed37aab51b086544c1/content/en/docs/reference/networking/service-protocols.md#L53-L56

[nate-double-u]

This looks good to me based on what @network-charles has suggested.

/lgtm

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 17691789125abe563e61d0a2f9fa66da69adbb2e

[reylejano]

https://kubernetes.io/docs/concepts/services-networking/service/#type-nodeport states

For a node port Service, Kubernetes additionally allocates a port (TCP, UDP or SCTP to match the protocol of the Service)

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

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