From c8550c3f2a1cd1b753a8f7b2eb520270c04882fb Mon Sep 17 00:00:00 2001
From: Jaex <Jaex@users.noreply.github.com>
Date: Mon, 15 Oct 2018 10:39:21 +0300
Subject: [PATCH] fixed #3635: FTPS library was accepting SSL 3.0 and TLS 1.0
 by default, now instead it will accept TLS 1.0, TLS 1.1 and TLS 1.2

---
 ShareX.UploadersLib/FileUploaders/FTP.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ShareX.UploadersLib/FileUploaders/FTP.cs b/ShareX.UploadersLib/FileUploaders/FTP.cs
index a8be9ed1d..72245fbfb 100644
--- a/ShareX.UploadersLib/FileUploaders/FTP.cs
+++ b/ShareX.UploadersLib/FileUploaders/FTP.cs
@@ -32,6 +32,7 @@ You should have received a copy of the GNU General Public License
 using System.IO;
 using System.Net;
 using System.Net.Security;
+using System.Security.Authentication;
 using System.Security.Cryptography.X509Certificates;
 using System.Text;
 using System.Windows.Forms;
@@ -141,6 +142,7 @@ public FTP(FTPAccount account)
                         break;
                 }
 
+                client.SslProtocols = SslProtocols.Tls | SslProtocols.Tls11 | SslProtocols.Tls12;
                 client.DataConnectionEncryption = true;
 
                 if (!string.IsNullOrEmpty(account.FTPSCertificateLocation) && File.Exists(account.FTPSCertificateLocation))