A system administrator needs to configure a server to securely transfer confidential files between corporate offices. What port should the administrator ensure is open on the firewall to allow SFTP traffic?
80
22
443
20/21
The Secure File Transfer Protocol (SFTP) operates over SSH (Secure Shell) and uses TCP port 22 for secure file transfers. To allow this traffic, a firewall must have port 22 open. The other ports listed are for different protocols: ports 20 and 21 are for the insecure File Transfer Protocol (FTP), port 80 is for unencrypted web traffic (HTTP), and port 443 is for secure web traffic (HTTPS).
Bash is our AI bot, trained to help you pass your exam. AI Generated Content may display inaccurate information, always double-check anything important.
All IT & Cybersecurity Package plans include the following perks and exams .
Our pricing is simple. Full access to all certifications and exams in each package, for one price.
As many practice tests for as many topics as you want.
Use study mode non-stop, no limits.
Access to our AI assistant, Bash, trained to help you pass your exam.
Track your scores over time in study mode and report cards.
See how you improve over time, and where you need to focus.
Access our store with even bigger discounts than before.
Unlimited access to all performance questions and be prepared for the real thing.
All IT & Cybersecurity Package plans include unlimited access to the following study materials.
Create an account or sign in to access our study materials.