diff --git a/.gitignore b/.gitignore
index 01d2d27..cd948f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,6 @@
-plan
+plan/
 .claude
+.idea/
+Audit_*/
+*.csv
+*.bat
\ No newline at end of file
diff --git a/AuditLogCLI.ps1 b/AuditLogCLI.ps1
index bc1bd90..aff3d82 100644
--- a/AuditLogCLI.ps1
+++ b/AuditLogCLI.ps1
@@ -92,8 +92,10 @@ function Write-Log {
 # FONCTION : Initialize-ApiClient
 # Force TLS 1.2 et accepte les certificats auto-signes (equivalent curl -k)
 # =====================================================================
+$script:CurlAvailable = $false
+
 function Initialize-ApiClient {
-    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 -bor [Net.SecurityProtocolType]::Tls11 -bor [Net.SecurityProtocolType]::Tls
 
     if (-not ([System.Management.Automation.PSTypeName]'TrustAllCertsPolicy').Type) {
         Add-Type @"
@@ -109,6 +111,27 @@ public class TrustAllCertsPolicy : ICertificatePolicy {
 "@
     }
     [System.Net.ServicePointManager]::CertificatePolicy = New-Object TrustAllCertsPolicy
+
+    $script:CurlAvailable = [bool](Get-Command curl.exe -ErrorAction SilentlyContinue)
+}
+
+function Test-SslError {
+    param([System.Exception]$Exception)
+    $msg = $Exception.Message
+    return ($msg -match "SSL" -or $msg -match "TLS" -or $msg -match "confiance" -or $msg -match "trust" -or $msg -match "certificate" -or $msg -match "envoi")
+}
+
+function Invoke-CurlGet {
+    param(
+        [string]$Url,
+        [string]$Username,
+        [AllowEmptyString()][string]$Password
+    )
+    $output = & curl.exe -s -k -u "${Username}:${Password}" -H "Accept: text/csv, application/json, text/plain, */*" $Url 2>&1
+    if ($LASTEXITCODE -ne 0) {
+        throw "curl GET erreur (exit code $LASTEXITCODE): $output"
+    }
+    return ($output | Out-String)
 }
 
 # =====================================================================
@@ -202,7 +225,17 @@ function Invoke-AuditLogGet {
         [AllowEmptyString()][string]$Password
     )
     $headers = Get-AuthHeader -Username $Username -Password $Password
-    return Invoke-WebRequest -Uri $Url -Method GET -Headers $headers -UseBasicParsing -TimeoutSec 30
+    try {
+        $response = Invoke-WebRequest -Uri $Url -Method GET -Headers $headers -UseBasicParsing -TimeoutSec 30
+        return $response.Content
+    }
+    catch {
+        if ((Test-SslError -Exception $_.Exception) -and $script:CurlAvailable) {
+            Write-Log -Message "Bascule sur curl.exe -k (echec TLS .NET)" -Level WARN
+            return Invoke-CurlGet -Url $Url -Username $Username -Password $Password
+        }
+        throw
+    }
 }
 
 # =====================================================================
@@ -261,17 +294,17 @@ foreach ($automate in $automates) {
 
         Write-Log -Message "[$hostname] GET $url (user: $($creds.Username))" -Level INFO
 
-        $response = Invoke-AuditLogGet -Url $url -Username $creds.Username -Password $creds.Password
+        $content = Invoke-AuditLogGet -Url $url -Username $creds.Username -Password $creds.Password
 
         if ($OutputFormat -eq "PerAutomate") {
             $filePath = Join-Path $outputDir "$ip.csv"
-            Set-Content -Path $filePath -Value $response.Content -Encoding UTF8
+            Set-Content -Path $filePath -Value $content -Encoding UTF8
             Write-Log -Message "[$hostname] Journal d'audit ecrit : $filePath" -Level OK
         }
         else {
             # Suppose une reponse API au format CSV (comme le .bat d'origine qui
             # ecrit directement la reponse brute dans un fichier .csv)
-            $rows = @($response.Content | ConvertFrom-Csv)
+            $rows = @($content | ConvertFrom-Csv)
             foreach ($row in $rows) {
                 $obj = [ordered]@{ Hostname = $hostname; IP = $ip }
                 foreach ($prop in $row.PSObject.Properties) { $obj[$prop.Name] = $prop.Value }