If you’ve been working with WordPress websites for a while, sooner or later you’ll need to transfer files between your local machine and a server. At that point, you’ll likely come across two common protocols: FTP and SFTP.wordpress development agency london
Although they may sound similar, they are fundamentally different. In fact, choosing between them isn’t just a matter of preference—it’s about security, performance, and how modern your workflow is.
For businesses focused on wordpress development london, understanding this difference is essential for maintaining secure and efficient websites.
What Is FTP?
FTP, or File Transfer Protocol, is one of the oldest methods for transferring files over the internet. Originally, it was designed to allow users to connect to a server, browse directories, and upload or download files.
At the time, security wasn’t a primary concern. Therefore, FTP was built for functionality rather than protection.
As a result, traditional FTP transfers data—including usernames and passwords—in plain text. This means that, on untrusted networks, sensitive information can potentially be intercepted.
How FTP Works
FTP operates using a client-server model. However, unlike modern protocols, it uses two separate channels.
First, a control channel is established for commands such as login and navigation. Then, a second data channel is opened for transferring files.
Because of this dual-channel setup:
- Firewall configuration becomes more complex
- Network behavior can be unpredictable
- Passive and active modes may cause confusion
Consequently, FTP can be difficult to manage in modern hosting environments.
Is FTP Still Safe?
In its basic form, FTP is not secure. However, there is a more secure variation known as FTPS.
FTPS adds encryption using SSL/TLS certificates. In other words, it upgrades FTP with a security layer similar to HTTPS.
There are two common types:
- Explicit FTPS (starts unencrypted, then upgrades)
- Implicit FTPS (encrypted from the start)
That said, FTPS is still built on FTP architecture. Therefore, it retains some of its complexity, especially regarding multiple connections and ports.
What Is SFTP?
SFTP stands for SSH File Transfer Protocol. Importantly, it is not simply a “secure version” of FTP.
Instead, SFTP is an entirely different protocol built on top of SSH (Secure Shell).
Because of this, it inherits all the security benefits of SSH, including encrypted communication and secure authentication methods.
How SFTP Works
Unlike FTP, SFTP uses a single encrypted connection.
This means:
- Commands and data are transmitted together
- Only one port is required (typically port 22)
- Network configuration is much simpler
As a result, SFTP is far more stable and predictable, especially in cloud and managed hosting environments.
Why SFTP Is the Better Choice
In most modern scenarios, SFTP is the preferred option. Not only is it more secure, but it also simplifies operations.
Stronger Security by Default
Since SFTP runs over SSH, all data is encrypted automatically. Therefore, there is no need for additional SSL certificates.
In addition, authentication can use SSH keys instead of passwords. As a result, access becomes both safer and easier to manage.
Simpler Network Configuration
Because SFTP uses a single connection, it avoids many common FTP issues.
For example:
- No need to manage multiple ports
- Fewer firewall conflicts
- More consistent connections
Consequently, developers spend less time troubleshooting and more time building.
Better for Modern Workflows
SFTP aligns well with current development practices. For instance, if you already use SSH to access your server, you can also use SFTP with the same credentials.
Because of this, most wordpress development agency london teams rely on SFTP as part of their daily workflow.
FTP vs SFTP: Key Differences
To make it clearer, here’s a quick comparison:
- FTP uses multiple connections, while SFTP uses one
- FTP lacks encryption by default, whereas SFTP is secure by design
- FTP is harder to configure, while SFTP is more straightforward
- FTP is considered legacy, whereas SFTP is the modern standard
Therefore, for most use cases, SFTP is the better long-term solution.
When Should You Still Use FTP?
In some cases, FTP may still be used. For example, certain legacy systems or internal networks may rely on it.
However, even in those situations, it’s often better to use FTPS as a temporary solution.
Ultimately, if security and scalability matter, moving to SFTP is strongly recommended.
Tools for File Transfers
To work with FTP or SFTP, you’ll need a client tool.
Some popular options include:
- FileZilla
- Cyberduck
- WinSCP
These tools support both protocols. However, in most cases, configuring them for SFTP is the smarter choice.
Final Thoughts
When it comes to file transfers, the difference between FTP and SFTP is significant.
While FTP played an important role in the early internet, it no longer meets modern security standards. On the other hand, SFTP offers encrypted communication, simpler setup, and better compatibility with today’s workflows.
For businesses investing in wordpress development london, choosing the right protocol is not optional—it’s essential for protecting data and maintaining performance.
About WPbyLondon
At WPbyLondon, we help businesses build secure, scalable WordPress solutions tailored for growth. As a trusted wordpress development agency london, we implement best practices such as SSH and SFTP to ensure every website is fast, stable, and protected.
If you’re looking to upgrade your workflow or improve your site’s security, our team is here to help.