diff --git a/Copy/Clients/Exchange.cs b/Copy/Clients/Exchange.cs
index f47cf44..e2847bd 100644
--- a/Copy/Clients/Exchange.cs
+++ b/Copy/Clients/Exchange.cs
@@ -35,7 +35,7 @@ public bool DoFileExist(string path)
             throw new NotImplementedException();
         }
 
-        public string[] ListFiles(string path)
+        public string[] ListFiles(string path, CopyFilter filter)
         {
             throw new NotImplementedException();
         }
diff --git a/Copy/Clients/FTP.cs b/Copy/Clients/FTP.cs
index d5c53f9..151500b 100644
--- a/Copy/Clients/FTP.cs
+++ b/Copy/Clients/FTP.cs
@@ -1,6 +1,7 @@
 using Copy.Types;
 using FluentFTP;
 using System.Net;
+using System.Text.RegularExpressions;
 
 namespace Copy.Clients
 {
@@ -37,7 +38,7 @@ public bool DoFileExist(string path)
             return FtpClient.FileExists(path);
         }
 
-        public string[] ListFiles(string path)
+        public string[] ListFiles(string path, CopyFilter filter)
         {
             if (!FtpClient.DirectoryExists(path))
             {
@@ -45,7 +46,12 @@ public string[] ListFiles(string path)
                 throw new DirectoryNotFoundException($"Directory {path} does not exist");
             }
 
-            FtpListItem[] files = FtpClient.GetListing(path);
+            Regex nameRegex = new(filter.Name);
+            Regex authorRegex = new(filter.Author);
+
+            FtpListItem[] files = FtpClient.GetListing(path)
+                .Where(f => nameRegex.IsMatch(f.Name) && authorRegex.IsMatch(f.RawOwner) && f.Created >= filter.CreatedAfter && (ulong)f.Size <= filter.MaxSize && (ulong)f.Size >= filter.MinSize)
+                .ToArray();
             return files.Select(f => Path.Combine(path, f.Name)).ToArray();
         }
 
diff --git a/Copy/Clients/Local.cs b/Copy/Clients/Local.cs
index 1835dd6..64f6372 100644
--- a/Copy/Clients/Local.cs
+++ b/Copy/Clients/Local.cs
@@ -1,4 +1,7 @@
 using Copy.Types;
+using System.Runtime.Versioning;
+using System.Security.Principal;
+using System.Text.RegularExpressions;
 
 namespace Copy.Clients
 {
@@ -28,7 +31,8 @@ public bool DoFileExist(string path)
             return File.Exists(path);
         }
 
-        public string[] ListFiles(string path)
+        [SupportedOSPlatform("windows")]
+        public string[] ListFiles(string path, CopyFilter filter)
         {
             if (!Directory.Exists(path))
             {
@@ -36,7 +40,17 @@ public string[] ListFiles(string path)
                 throw new DirectoryNotFoundException($"Directory {path} does not exist");
             }
 
-            return Directory.GetFiles(path);
+            Regex nameRegex = new(filter.Name);
+            Regex authorRegex = new(filter.Author);
+
+            return Directory.GetFiles(path)
+                .Where(f =>
+                {
+                    FileInfo fileInfo = new(f);
+                    bool authorMatch = authorRegex.IsMatch(fileInfo.GetAccessControl().GetOwner(typeof(NTAccount))?.Value ?? throw new FileOwnerNotFoundException($"Impossible to get owner of {f}"));
+                    return nameRegex.IsMatch(Path.GetFileName(f)) && authorMatch && File.GetCreationTime(f) >= filter.CreatedAfter && (ulong)fileInfo.Length <= filter.MaxSize && (ulong)fileInfo.Length >= filter.MinSize;
+                })
+                .ToArray();
         }
 
         public Stream GetFile(string path)
diff --git a/Copy/Clients/SFTP.cs b/Copy/Clients/SFTP.cs
index 80c004e..d057a70 100644
--- a/Copy/Clients/SFTP.cs
+++ b/Copy/Clients/SFTP.cs
@@ -1,5 +1,6 @@
 using Copy.Types;
 using Renci.SshNet;
+using System.Text.RegularExpressions;
 
 namespace Copy.Clients
 {
@@ -23,7 +24,7 @@ public SFTP(Client credentials)
             SftpClient.Connect();
         }
 
-        public string[] ListFiles(string path)
+        public string[] ListFiles(string path, CopyFilter filter)
         {
             if (!SftpClient.Exists(path))
             {
@@ -31,7 +32,13 @@ public string[] ListFiles(string path)
                 throw new DirectoryNotFoundException($"Directory {path} does not exist");
             }
 
-            var files = SftpClient.ListDirectory(path);
+            if (filter.Author != ".*") Logger.Warn($"Filtering by author is not supported by SFTP");
+
+            Regex nameRegex = new(filter.Name);
+            Regex authorRegex = new(filter.Author);
+
+            var files = SftpClient.ListDirectory(path)
+                .Where(f => nameRegex.IsMatch(f.Name) && f.LastWriteTime >= filter.CreatedAfter && (ulong)f.Length <= filter.MaxSize && (ulong)f.Length >= filter.MinSize);
             return files.Select(f => f.FullName.Remove(0, 1)).ToArray();
         }
 
diff --git a/Copy/Config.cs b/Copy/Config.cs
index 42c07de..093f2ba 100644
--- a/Copy/Config.cs
+++ b/Copy/Config.cs
@@ -111,7 +111,10 @@ public static string GetDefault()
                         Source = "source",
                         Destination = "destination",
                         Client = "SFTP",
-                        Filter = "*.txt"
+                        Filter = new CopyFilter()
+                        {
+                            Name = ".*\\.txt"
+                        }
                     },
                     new CopyTask()
                     {
@@ -119,7 +122,10 @@ public static string GetDefault()
                         Destination = "destination",
                         Client = "Local",
                         Delete = true,
-                        Filter = "*.txt"
+                        Filter = new CopyFilter()
+                        {
+                            Name = ".*\\.txt"
+                        }
                     },
                     new CopyTask()
                     {
diff --git a/Copy/Program.cs b/Copy/Program.cs
index 05eae99..9fcc73b 100644
--- a/Copy/Program.cs
+++ b/Copy/Program.cs
@@ -1,6 +1,5 @@
 using Copy.Clients;
 using Copy.Types;
-using System.Text.RegularExpressions;
 
 namespace Copy
 {
@@ -63,10 +62,9 @@ public static void Main(string[] args)
                     throw new ClientNotFoundException($"Client {task.Source} not found");
                 }
 
-                Regex filter = new(task.Filter);
-                IEnumerable<string> files = client.ListFiles(task.Source).Where(f => filter.IsMatch(f));
+                string[] files = client.ListFiles(task.Source, task.Filter);
 
-                Logger.Info($"Treating {files.Count()} files");
+                Logger.Info($"Treating {files.Length} files");
 
                 foreach (string file in files)
                 {
@@ -86,7 +84,7 @@ public static void Main(string[] args)
                     Logger.Debug($"Copied {file} to {task.Destination}");
                 }
 
-                Logger.Info($"Copied {files.Count()} files from {task.Source} to {task.Destination} using {task.Client}");
+                Logger.Info($"Copied {files.Length} files from {task.Source} to {task.Destination} using {task.Client}");
             }
 
             Logger.Info("All tasks executed");
diff --git a/Copy/Types/CopyFilter.cs b/Copy/Types/CopyFilter.cs
new file mode 100644
index 0000000..4dc25a1
--- /dev/null
+++ b/Copy/Types/CopyFilter.cs
@@ -0,0 +1,36 @@
+using Newtonsoft.Json;
+
+namespace Copy.Types
+{
+    /// <summary>
+    /// Filter for files to copy.
+    /// </summary>
+    public class CopyFilter
+    {
+        /// <summary>
+        /// Pattern the name of the files must match.
+        /// </summary>
+        [JsonProperty(PropertyName = "Name", Required = Required.DisallowNull)]
+        public string Name { get; set; } = ".*";
+        /// <summary>
+        /// Pattern the author of the files must match.
+        /// </summary>
+        [JsonProperty(PropertyName = "Author", Required = Required.DisallowNull)]
+        public string Author { get; set; } = ".*";
+        /// <summary>
+        /// Date the files must be created after.
+        /// </summary>
+        [JsonProperty(PropertyName = "CreatedAfter", Required = Required.DisallowNull)]
+        public DateTime CreatedAfter { get; set; } = DateTime.MinValue;
+        /// <summary>
+        /// Size the files must not exceed.
+        /// </summary>
+        [JsonProperty(PropertyName = "MaxSize", Required = Required.DisallowNull)]
+        public ulong MaxSize { get; set; } = ulong.MaxValue;
+        /// <summary>
+        /// Size the files must exceed.
+        /// </summary>
+        [JsonProperty(PropertyName = "MinSize", Required = Required.DisallowNull)]
+        public ulong MinSize { get; set; } = 0;
+    }
+}
diff --git a/Copy/Types/CopyTask.cs b/Copy/Types/CopyTask.cs
index 75cb2e9..b95ced9 100644
--- a/Copy/Types/CopyTask.cs
+++ b/Copy/Types/CopyTask.cs
@@ -31,6 +31,6 @@ public class CopyTask
         /// Filter for files to copy.
         /// </summary>
         [JsonProperty(PropertyName = "Filter", Required = Required.DisallowNull)]
-        public string Filter { get; set; } = ".*";
+        public CopyFilter Filter { get; set; } = new();
     }
 }
\ No newline at end of file
diff --git a/Copy/Types/Exceptions.cs b/Copy/Types/Exceptions.cs
index b40414f..fb70a2a 100644
--- a/Copy/Types/Exceptions.cs
+++ b/Copy/Types/Exceptions.cs
@@ -7,4 +7,12 @@
     internal class ClientNotFoundException(string message) : Exception(message)
     {
     }
+
+    /// <summary>
+    /// Exception thrown when a file owner is not found.
+    /// </summary>
+    /// <param name="message">The message to display.</param>
+    internal class FileOwnerNotFoundException(string message) : Exception(message)
+    {
+    }
 }
diff --git a/Copy/Types/IClient.cs b/Copy/Types/IClient.cs
index 8b5a3fd..bd0a0a7 100644
--- a/Copy/Types/IClient.cs
+++ b/Copy/Types/IClient.cs
@@ -13,8 +13,9 @@ internal interface IClient : IDisposable
         /// List files in a directory.
         /// </summary>
         /// <param name="path">Path to the directory.</param>
+        /// <param name="filter">Filter for files to list.</param>
         /// <returns>Array of file names.</returns>
-        string[] ListFiles(string path);
+        string[] ListFiles(string path, CopyFilter filter);
         /// <summary>
         /// Check if a file exists.
         /// </summary>