21

TCP

FTP

File Transfer Protocol (Control)

🔓 Security: InsecureStatus: Active📁 Category: File Transfer

📋 Basic Information

Port Number
21
Protocol
TCP
Service
FTP
Popularity
🔥 High
Description
Standard port for FTP control commands. Commonly used for file uploads and downloads.
Tags
filetransferftp

🔒 Security Information

⚠️

Security Notes

Unencrypted, SFTP (port 22) recommended

🔗 Related Ports

20

FTP-DATA

File Transfer Protocol (Data)

TCP

FTP data transfer port in active mode

🔓 Security: Insecure📁 Category: File Transfer
22🔥

SSH

Secure Shell

TCP

Secure Shell protocol for secure remote server access. Provides encrypted communication for remote login and command execution.

🔒 Security: Secure🖥️ Category: Remote Access
989

FTPS-DATA

FTP over SSL/TLS (Data)

TCP

Secure FTP data transfer with TLS/SSL

🔒 Security: Secure📁 Category: File Transfer
990

FTPS

FTP over SSL/TLS (Control)

TCP

Secure FTP control commands with TLS/SSL

🔒 Security: Secure📁 Category: File Transfer

📚 References