CompTIA Sec+ Ports and Commands. Updated Fall 2024/2025.

CompTIA Sec+ Ports and Commands.
Updated Fall 2024/2025.
Port 20/21

FTP (File Transfer Protocol)

Port 22

SSH (Secure Shell)

Port 23

Telnet

Port 3389

RDP (Remote Desktop Protocol)

Port 137/138/139

NetBIOS

Port 53

DNS (Domain Name System)

Port 25

SMTP (Simple Mail Transfer Protocol)

Port 110

POP3 (Post Office Protocol)

Port 143

IMAP (Internet Message Access Protocol)

Port 80

HTTP (Hypertext Transfer Protocol)

Port 443

HTTPS (Hyper Text Transfer Protocol Secure)

Port 123

NTP (Network Time Protocol)

Port 135/445

, Windows File Sharing

Port 161/162

SNMP (Simple Network Management Protocol)

Port 1433/1434

SQL Server

Port 1521

oracle

Port 1720

H.323

Port 1723

PPTP (Point-to-Point Tunneling Protocol)

Port 9100

HP JetDirect Printing

Ping

checks whether a remote system is responding
----> ICMP Echo Request ---->
<----- ICMP Echo Reply <-----

hping

creates customized ping requests
-older tool

traceroute

determines network path b/t two systems

tracert

determines network path b/t two systems on Windows sytstems

pathping

Windows command combining ping an tracert functionality

dig

performs DNS lookups on Mac and Linux systems

nslookup

performs DNS lookups on Windows systems