(PowerShell) FTPS with Mutual TLS Authentication (TLS Client Certificate)

Demonstrates how to do mutual TLS authentication (using a client certificate from a .pfx/.p12).

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

$ftp = New-Object Chilkat.Ftp2

$ftp.Hostname = "ftp.example.com"
$ftp.Port = 21

# If using implicit TLS, you probably want port 990..
$ftp.Port = 990

# Set this to $false for implicit TLS, otherwise set to $true for explicit TLS (where port is typically 21).
$ftp.AuthTls = $false

# Set this to $true for implicit TLS, otherwise set to $false.
$ftp.Ssl = $true

$cert = New-Object Chilkat.Cert
$success = $cert.LoadPfxFile("qa_data/pfx/example.pfx","pfx_password")
if ($success -eq $false) {
    $($cert.LastErrorText)
    exit
}

# Use this certificate for our TLS mutually authenticated connection:
$success = $ftp.SetSslClientCert($cert)
if ($success -eq $false) {
    $($cert.LastErrorText)
    exit
}

# Establish the TLS connection with the FTP server.
$success = $ftp.ConnectOnly()
if ($success -eq $false) {
    $($ftp.LastErrorText)
    exit
}

# If a login is required, then login with the FTP account login/password.
$ftp.Username = "myLogin"
$ftp.Password = "myPassword"
$success = $ftp.LoginAfterConnectOnly()
if ($success -eq $false) {
    $($ftp.LastErrorText)
    exit
}

# Do whatever you're doing to do ...
# upload files, download files, etc...

# .....
# .....

$success = $ftp.Disconnect()