Application Control

Microsoft.Teams

Description

This indicates an attempt to access Microsoft Teams.
Microsoft Teams is a chat-based work space offered in Office 365. It is an application that offer content, tools, conversations, and people in the team workspace. Users can also access SharePoint, OneNote and Skype for Business.
Note: files shared by personal accounts on Teams are now hosted on OneDrive servers, while files shared by business/corporate accounts are hosted on SharePoint servers.

Affected Products

Microsoft Teams

Impact

Network bandwidth consumption

Technology

Client-Server

Behavior

Reasonable

Application Dependencies

Default Ports

TCP/80
TCP/443
UDP/443
UDP/3478-3481
UDP/54000-54999
UDP/50000-52000

Version Updates

Date	Version	Status	Detail
2025-12-09	35.130	Modified	Sig Added
2025-10-23	34.106	Modified	Sig Added
2025-09-17	34.086	Modified	Sig Added
2024-11-14	29.904	Modified	Sig Added
2024-10-08	28.877	Modified	Sig Added
2023-12-18	26.698	Modified	Sig Added
2023-11-28	26.685	Modified
2023-10-24	25.663	Modified	Sig Added
2022-09-22	22.399	Modified	Sig Added
2020-04-16	15.819	Modified	Sig Added