Boost Your Networking Knowledge
Boost Your Networking Knowledge
In the field of Networking and Cybersecurity, understanding protocols and their ports is one of the most important foundations. These ports are the lifelines that allow devices, applications, and servers to communicate.
Some key highlights from the list:
HTTP (80) / HTTPS (443): The backbone of web browsing – secure or insecure.
FTP (21) & SFTP/SSH (22): File transfers, with or without encryption.
DNS (53): The “phonebook” of the internet.
SMTP (25), POP3 (110), IMAP (143): Email communication protocols.
RDP (3389): Remote desktop access – widely used, but a common attack target.
MySQL (137-139): Database communication.
DHCP (67/68): Assigns IP addresses to devices automatically.
Why does this matter?
Open ports can become potential entry points for attackers. For cybersecurity professionals, knowledge of these ports is essential for scanning, troubleshooting, securing systems, and preparing for real-world challenges.
Takeaway: Security starts with awareness. Mastering ports and protocols is the first step towards becoming proficient in Networking and Cybersecurity.
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