Common Ports
Port(s)
Protocol
20
/21
(TCP)
FTP
22
(TCP)
SSH
23
(TCP)
Telnet
25
(TCP)
SMTP
80
(TCP)
HTTP
161
(TCP/UDP)
SNMP
389
(TCP/UDP)
LDAP
443
(TCP)
SSL
/TLS
(HTTPS
)
445
(TCP)
SMB
3389
(TCP)
RDP
Last updated
20
/21
(TCP)
FTP
22
(TCP)
SSH
23
(TCP)
Telnet
25
(TCP)
SMTP
80
(TCP)
HTTP
161
(TCP/UDP)
SNMP
389
(TCP/UDP)
LDAP
443
(TCP)
SSL
/TLS
(HTTPS
)
445
(TCP)
SMB
3389
(TCP)
RDP
Last updated