Network Ports and Protocols

Question	Answer
FTP File Transfer Protocol	PORT 21 INSECURE
SFTP Secure File Transfer Protocol	PORT 22 SECURE alt. to FTP
Telnet	PORT 23 INSECURE
SSH Secure Shell	PORT 22 Secure alt. to Telnet
SMTP Simple Mail Transfer Protocol	PORT 25 INSECURE
SMTP SMTP with TLS	PORT 587 SECURE alt. to SMTP
Time Time Protocol	PORT 37 INSECURE
NTP Network Time Protocol	PORT 123 SECURE alt. to Time protocol
DNS Domain Name Service	PORT 53 INSECURE
DoT DNS over TLS	PORT 853 SECURE alt. to DNS
HTTP HyperText Transfer Protocol	PORT 80 INSECURE
HTTPS HyperText Transfer Protocol (SSL / TLS)	PORT 443 SECURE alt. to HTTP
IMAP Internet Message Access Protocol	PORT 143 INSECURE
IMAP IMAP for SSL / TLS	PORT 993 SECURE alt. for IMAP
SNMP Simple Network Management Protocol	PORT 161/162 INSECURE
SNMPv3	PORT 161/162 SECURE alt. to SNMP
SMB Server Message Block	PORT 445 INSECURE
NFS Network File System	PORT 2049 SECURE alt. to SMB
LDAP Lightweight Directory Access Protocol	PORT 389 INSECURE
LDAPS Lightweight Access Directory Protocol Secure	PORT 636 SECURE alt. to LDAP

Resource summary

	Created by David Caldera 11 months ago