When you are using FileZilla FTP Client, you might getting error as too many connection from this IP and lastly found connection timed out that caused you unable to connect to your FTP account via FileZilla.
Response: 421 Too many connections (1) from this IP
Error: Could not connect to server
The reason you got this is our Linux server allow only 8 connection from 1 IP.
To resolve this issue, you may use the following step to set the simultaneously connection to 1 only.
Step 1: Launch your FileZilla application.
Step 2: Select on Edit and choose Settings.
Step 3: Click on Transfers.
Step 4: Change the value of “Maximum simultaneous transfers” to 1 only.
Step 5: Click OK.
Step 6: Try to reconnect to FTP.
If the issue still persist, please submit a ticket to our Support Team on this issue mentioning the steps taken and error messages shown.