# Creating and Applying SSL Certificate to FileZilla FTP Server

## Prerequisites

- A XCA PKI database https://youtu.be/ezzj3x207lQ

## DNS Setup

1. For Windows DNS, go to Start > Windows Administrative Tools > DNS
2. Expand the DNS server and domain name
3. Right Click > New Host (A or AAAA)
4. Type ftp as the hostname and the target IP address > Click OK

## Create Your SSL Certificate

1. Launch XCA
2. Open the PKI database if it is not already (File > Open DataBase), enter password
3. Click on the Certificates tab, right click on your Intermediate CA certificate
4. Select New
5. On the Source tab, make sure Use this Certificate for signing is selected
6. Verify your Intermediate CA certificate is selected from the drop down
7. Click the Subject tab
8. Complete the Distinguished Name section

   internalName: ftp.i12bretro.local
   countryName: US
   stateOrProvinceName: Virginia
   localityName: Northern
   organizationName: i12bretro
   organizationUnitName: i12bretro Certificate Authority
   commonName: ftp.i12bretro.local

9. Click the Generate a New Key button
10. Enter a name and set the key size to at least 2048
11. Click Create
12. Click on the Extensions tab
13. Select End Entity from the type list
14. Click Edit next to Subject Alternative Name
15. Add any DNS or IP addresses that the certificate will identify
16. Update the validity dates to fit your needs
17. Click the Key Usage tab
18. Under Key Usage select Digital Signature, Key Encipherment
19. Under Extended Key Usage select Web Server and Web Client Authentication
20. Click the Netscape tab
21. Select SSL Server
22. Click OK to create the certificate

## Exporting Required Files

1. In XCA, click on the Certificates tab
2. Right click the SSL certificate > Export > File
3. Set the file name to ftp.crt verify the export format is PEM (*.crt)
4. Click OK
5. Click the Private Keys tab
6. Right click the private key generated for the SSL certificate > Export > File
7. Set the file name to ftp.key and verify the export format is PEM Private (*.pem)
8. Click OK
9. Copy the two exported files to the FileZilla Server installation directory, typically C:\Program Files\FileZilla

## Installing FileZilla Server

1. Download FileZilla Server Download
2. Install Filezilla Server
3. Launch FileZilla Server Administration
4. Select Edit > Users from the top navigation
5. Click the Add button under Users on the right side of the screen
6. Enter a username > Click OK
7. Enable the Password field by checking the box > Enter a password for the new user
8. Click the Shared folders option in the left navigation menu
9. Click the Add button in the middle of the page
10. Browse to a local directory on the server to grant access to this FTP user
11. On the right side of the Shared folders pane, set the access level that the user will have on this directory
12. Click OK to close the Users dialog
13. Select Edit > Settings from the top navigation
14. Click FTP over TLS settings from the left navigation
15. Check the Enable FTP over TLS support box
16. Click the browse button next to Private key file and browse to the exported .key file
17. Click the browse button next to Certificate file and browse to the exported .crt file
18. To force all connections to use SSL, check the Disallow plain unencrypted FTP box
19. Change the SSL/TLS listen port to 990
20. Click OK
21. The FTP server should restart and apply the new settings

## Testing FTPS Connectivity

1. Download FileZilla Client Download
2. Extract the downloaded .zip file
3. Run Filezilla.exe
4. Complete the quickconnect fields as follows

   Host: ftps://ftp.i12bretro.local
   Username: i12bretro
   Password: <#ftp password#>
   Port: 990

5. On the Unknown Certificate popup, check the Always trust this certificate in future sessions checkbox > Click OK