Dell DR4000 Administrator's Manual page 138

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DR4000 System Service Ports
TCP
22
TCP 25
TCP 139
TCP
199
TCP
801
D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 4 / 5 / 1 2 - F O R P R O O F O N LY
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Supported Ports: DR4000 System
Secure Shell (SSH)—used for secure logins, file transfers
like SCP (Secure Copy) and SFTP (Secure File Transfer
Protocol).
Simple Mail Transfer Protocol (SMTP)—used for
routing and sending email.
SMB daemon—used for SMB protocol-related
processes.
SNMP daemon—used by Simple Network Management
Protocol (SNMP) requests.
NFS status daemon.