TCP and UDP default ports commonly used in Cloud Azure

List of TCP and UDP default ports commonly used in Azure Cloud Services

PortDescription
20/21 TCPFTP (FILE DATA TRANSFER Data transfer/Command control
22 TCPSSH (Secure Shell)
23 TCPTELNET (Remote login Service)
25 TCPSMTP (Simple mail transfer Protocol)
53 UDP/TCPDNS (Domain Name Service)
67/68 UDPDHCP (Dynamic Host Configuration Protocol)
80 TCPHTTP (Hypertext Transfer Protocol)
110 TCPPOP3 (Post Office Protocol)
123 UDPNTP (Network Time Protocol)
143 TCPIMAP (Internet Message Access Protocol)
443 TCPHTTPS (HTTP Secure)
3389 TCPRDP (remote desktop service)

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