If you’re facing the “error susbluezilla new version” issue while trying to connect to your FTP server or upload files using FileZilla, you’re not alone. This problem usually appears when too many connections are active, the firewall is blocking your connection, or the wrong FTP settings are being used. In this detailed article, we’ll explain the causes and simple steps to fix the error susbluezilla new version issue. Everything here is written in simple and easy words so that even beginners can understand and apply the solutions.
Table of Contents
What Is Error SusBluezilla New Version?
The above error susbluezilla new is most likely to be found when the user tries to connect with his or her web hosting server via FTP and uses software such as FileZilla. This issue may halt your uploads, edits, or backups of your sites. Mostly, an error is connected with the excess number of parallel connections, incorrect port numbers, or blocked connections that are caused by firewalls or antivirus programs.
It normally occurs as a result of updating FileZilla or server settings. The reload of old settings by the new version also creates dilemmas when it comes to connection restrictions or transfer modes.
Main Causes of Error SusBluezilla New Version
There can be several reasons why this issue occurs. Here are the most common ones:
- Too many FTP connections are open at once.
- Firewall or antivirus is blocking your FTP access.
- The wrong FTP port is being used.
- Your FTP mode is set incorrectly.
- Missing prefix (ftp.) before your hostname.
- Temporary issues with your hosting server.
To fix it, let’s go step-by-step through the easiest solutions.
Too Many Simultaneous Connections
Having excessive connections to your FTP server is one of the most frequent reasons why you can get an error susbluezilla new version. The hosting company (such as HostPapa or others) provides a restriction on the number of live sessions simultaneously. The limit is automatic, hence new connection attempts will fail.
To fix this, you need to reduce or disconnect extra FTP connections.
You can easily check the current FTP connections using cPanel.
- Log in to your cPanel account.
- Go to Files > FTP Connections.
- There, you’ll see a list of all active connections.
- You can disconnect users manually to free up space.
If you’re using a HostPapa VPS, you can even adjust the limit of FTP connections directly from WHM’s FTP Server Configuration page.
Limiting Connections in FileZilla
To avoid this problem in the future, you can limit the number of connections FileZilla uses.
Here’s how you can do it:
- Open FileZilla and click on File > Site Manager.
- Select your website or create a new entry if needed.
- Go to the Transfer Settings tab.
- Check the option “Limit number of simultaneous connections.”
- Enter the number 2 as the maximum.
- Click OK to save changes.
Once done, FileZilla will never try to open more than two connections at the same time.
If you’re still facing connection problems, disconnect all current FTP sessions from cPanel > FTP Connections, and then reconnect again.
Firewall or Antivirus Blocking Connection
There are times you do not need to change your FTP settings, but the security system of your computer. Antivirus software and firewalls may block your FTP connections, but they are not always correct because you might be using secure ports or the latest FTP programs.
To fix this, open your firewall or antivirus settings and make sure the following are allowed:
- The program FileZilla.exe should not be blocked.
- The ports 21 (for FTP) and 22 (for SFTP) should be open.
Once you ensure these settings, try connecting again. Most of the time, the error disappears once the security software allows FileZilla to communicate freely.
Using an FTP Hostname Prefix
If your website uses services like SiteLock or Sucuri, which are firewalls or proxies for websites, you may need to add a prefix to your hostname. Without this, the FTP connection may fail.
For example, instead of using:
examplesite.com
You should use:
ftp.examplesite.com
This small change can help the FTP client connect properly through the protection layers of your website firewall.
Changing the FTP Port Number
Another common fix for error susbluezilla new version is changing your FTP port number. By default, FTP uses port 21, while SFTP (Secure File Transfer Protocol) uses 22. Some servers now require secure connections for added protection, meaning port 21 might be disabled.
To change your port in FileZilla:
- Open Site Manager from File > Site Manager.
- Select your website from the list.
- In the Port field, change the number from 21 to 22.
- Also, make sure to select SFTP – SSH File Transfer Protocol as the protocol.
- Save the settings and try connecting again.
If your hosting server supports SFTP, this change will immediately fix the problem.
Setting Transfer Mode to Passive
FTP clients have two modes through which they can transfer data: Active and Passive. In case your FTP setup is in Active mode, you are more prone to having a problem with connections when there is fencing of firewalls. Passive mode can be used to overcome these issues since it allows the client to make both the data and command connections.
To switch to Passive mode in FileZilla:
- Open File > Site Manager.
- Select your website entry.
- Click on Transfer Settings.
- Choose the option Passive.
- Save and reconnect.
Once this setting is applied, most connection errors disappear because Passive mode works better with firewalls and hosting restrictions.
Creating a New FTP Account
If the above solutions do not work, you can create a new FTP account in cPanel. Sometimes the old credentials or permissions can cause connection errors, especially after updates or hosting migrations.
To create a new FTP account:
- Go to cPanel > FTP Accounts.
- Enter a new username and password.
- Set the directory path where your website files are located (for WordPress, it’s usually the root folder).
- Click Create an FTP Account.
After that, open FileZilla, go to File > Site Manager, add your new credentials, and connect again. This fresh connection often resolves the error susbluezilla new version problem permanently.
Example of Correct FTP Settings
Here’s a table that shows the correct configuration setup you should use in FileZilla to avoid connection problems:
| Setting Type | Correct Configuration Example |
| Hostname | ftp.examplesite.com |
| Port | 22 (for SFTP) |
| Protocol | SFTP – SSH File Transfer Protocol |
| Encryption | Use explicit FTP over TLS if available |
| Logon Type | Normal |
| User | Your FTP username |
| Password | Your FTP password |
| Transfer Mode | Passive |
| Max Connections | 2 |
This table helps you compare and check if your FileZilla setup matches the recommended configuration.
Final Thoughts
The error susbluezilla new version issue can be annoying, but it’s not difficult to fix. Most of the time, the cause is too many simultaneous connections, wrong ports, or blocked access by firewalls. By carefully checking your settings, limiting the number of connections, and switching to Passive mode, you can restore your FTP connection easily.
Even subsequent to following these steps, in the event that you are still experiencing difficulties, call the support team of your hosting company. They can contribute to the detection of server-side problems or errors in configuration, which are outside your control.
By following these simple steps, you can fix the error susbluezilla new version quickly and keep your website running smoothly without any interruptions.
Read More of Our Blogs:- How an SEO Agency in Australia Uploadaticle Can Transform Your Online Presence in 2025
