January 22, 2012

1.5 Identify commonly used default network ports

Identify commonly used default network ports

TCP Port # UDP Port # Service
20 FTP (data channel)
21 FTP (control channel)
22 SSH; SCP; SFTP (over SSH)
989 989 FTPS (data): FTP over TLS/SSL
990 990 FTPS (control): FTP over TLS/SSL
69 Trivial File Transfer Protocol (TFTP)
23 Telnet
80 Hypertext Transfer Protocol (HTTP)
443 HTTPS (Hypertext Transfer Protocol over SSL/TLS)
137 137 NetBIOS Name Service
138 138 NetBIOS Datagram Service
139 139 NetBIOS Session Service

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