Category 1
telnet
tcp/23 TelecommunicaCon Network
HTTPS
tcp/443 Hypertext Transfer Protocol Secure
SMB
tcp/445 Server Message Block
DNS
Convert domain names to IP addresses
SMTP
tcp/25 Simple Mail Transfer Protocol
POP3
tcp/110 Post Office Protocol version 3
SNMP Query
udp/161 Simple Network Management Protocol
HTTPS
Web server communication with encryption
DNS
udp/53, tcp/53 Domain Name System
IMAP4
tcp/143 Internet Message Access Protocol v4
SNMP Trap
udp/162 Simple Network Management Protocol
SMB
Windows file transfers and printer sharing
SFTP
22
HTTP
RDP
3389
NetBios
137-139
TFTP
69
LDAP
389
AFP
548
Kerberos