diff --git a/BinaryObjectScanner/Protection/Macrovision.FLEXnet.cs b/BinaryObjectScanner/Protection/Macrovision.FLEXnet.cs
index da60ef81..dbab4d9a 100644
--- a/BinaryObjectScanner/Protection/Macrovision.FLEXnet.cs
+++ b/BinaryObjectScanner/Protection/Macrovision.FLEXnet.cs
@@ -1,4 +1,11 @@
 using System;
+#if NET40_OR_GREATER || NETCOREAPP
+using System.Collections.Concurrent;
+#endif
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Principal;
+using SabreTools.Matching;
 using SabreTools.Serialization.Wrappers;
 
 namespace BinaryObjectScanner.Protection
@@ -16,12 +23,96 @@ namespace BinaryObjectScanner.Protection
             if (sections == null)
                 return null;
 
-            // Found in "IsSvcInstDanceEJay7.dll" in IA item "computer200709dvd" (Dance eJay 7).
             var name = pex.ProductName;
+
+            // Found in "IsSvcInstDanceEJay7.dll" in IA item "computer200709dvd" (Dance eJay 7).
             if (name?.Equals("FLEXnet Activation Toolkit", StringComparison.OrdinalIgnoreCase) == true)
-                return $"FLEXnet";
+                return "FLEXnet";
+
+            // Found in "INSTALLS.EXE", "LMGR326B.DLL", "LMGRD.EXE", and "TAKEFIVE.EXE" in IA item "prog-17_202403".
+            if (name?.Equals("Globetrotter Software Inc lmgr326b Flexlm", StringComparison.OrdinalIgnoreCase) == true)
+                return $"FlexLM {pex.ProductVersion}";
+
+            // Generic case to catch unknown versions.
+            if (name?.Contains("Flexlm") == true)
+                return "FlexLM (Unknown Version - Please report to us on GitHub)";
+
+            name = pex.FileDescription;
+
+            // Found in "INSTALLS.EXE", "LMGR326B.DLL", "LMGRD.EXE", and "TAKEFIVE.EXE" in IA item "prog-17_202403".
+            if (name?.Equals("lmgr326b", StringComparison.OrdinalIgnoreCase) == true)
+                return $"FlexLM {pex.ProductVersion}";
+
+            name = pex.LegalTrademarks;
+
+            // Found in "INSTALLS.EXE", "LMGR326B.DLL", "LMGRD.EXE", and "TAKEFIVE.EXE" in IA item "prog-17_202403".
+            if (name?.Equals("Flexible License Manager,FLEXlm,Globetrotter,FLEXID", StringComparison.OrdinalIgnoreCase) == true)
+                return $"FlexLM {pex.ProductVersion}";
+
+            if (name?.Contains("FLEXlm") == true)
+                return $"FlexLM {pex.ProductVersion}";
+
+            name = pex.OriginalFilename;
+
+            // Found in "INSTALLS.EXE", "LMGR326B.DLL", "LMGRD.EXE", and "TAKEFIVE.EXE" in IA item "prog-17_202403".
+            // It isn't known why these various executables have the same original filename.
+            if (name?.Equals("lmgr326b.dll", StringComparison.OrdinalIgnoreCase) == true)
+                return $"FlexLM {pex.ProductVersion}";
+
+            // Get the .data/DATA section strings, if they exist
+            var strs = pex.GetFirstSectionStrings(".data") ?? pex.GetFirstSectionStrings("DATA");
+            if (strs != null)
+            {
+                // Found in "FLEXLM.CPL", "INSTALLS.EXE", "LMGR326B.DLL", "LMGRD.EXE", and "TAKEFIVE.EXE" in IA item "prog-17_202403".
+                if (strs.Any(s => s.Contains("FLEXlm License Manager")))
+                    return "FlexLM";
+            }
 
             return null;
         }
+
+        /// <inheritdoc cref="Interfaces.IPathCheck.CheckDirectoryPath(string, IEnumerable{string})"/>
+#if NET20 || NET35
+        internal Queue<string> FLEXNetCheckDirectoryPath(string path, IEnumerable<string>? files)
+#else
+        internal ConcurrentQueue<string> FLEXNetDirectoryPath(string path, IEnumerable<string>? files)
+#endif
+        {
+            var matchers = new List<PathMatchSet>
+            {
+                // Found in IA item "prog-17_202403".
+                new(new PathMatch("FlexLM-6.1F", useEndsWith: true), "FlexLM 6.1f"),
+                new(new PathMatch("FlexLM", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("FLexLM_Licensing.wri", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("LMGR326B.DLL", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("FLEXLM.CPL", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("LMGRD.EXE", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("LMGRD95.EXE", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("LMUTIL.EXE", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("READFLEX.WRI", useEndsWith: true), "FlexLM"),
+            };
+
+            return MatchUtil.GetAllMatches(files, matchers, any: false);
+        }
+
+        /// <inheritdoc cref="Interfaces.IPathCheck.CheckFilePath(string)"/>
+        internal string? FLEXNetCheckFilePath(string path)
+        {
+            var matchers = new List<PathMatchSet>
+            {
+                // Found in IA item "prog-17_202403".
+                new(new PathMatch("FlexLM-6.1F", useEndsWith: true), "FlexLM 6.1f"),
+                new(new PathMatch("FlexLM", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("FLexLM_Licensing.wri", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("LMGR326B.DLL", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("FLEXLM.CPL", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("LMGRD.EXE", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("LMGRD95.EXE", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("LMUTIL.EXE", useEndsWith: true), "FlexLM"),
+                new(new PathMatch("READFLEX.WRI", useEndsWith: true), "FlexLM"),
+            };
+
+            return MatchUtil.GetFirstMatch(path, matchers, any: true);
+        }
     }
 }
diff --git a/BinaryObjectScanner/Protection/RainbowSentinel.cs b/BinaryObjectScanner/Protection/RainbowSentinel.cs
index b9ba0338..daa7a558 100644
--- a/BinaryObjectScanner/Protection/RainbowSentinel.cs
+++ b/BinaryObjectScanner/Protection/RainbowSentinel.cs
@@ -15,6 +15,7 @@ namespace BinaryObjectScanner.Protection
     /// Rainbow Sentinel SuperPro: https://www.rainbow.com.my/superpro.php
     /// TODO: Investigate other versions/products.
     /// TODO: See if this is at all related to https://cpl.thalesgroup.com/software-monetization/all-products/sentinel-hl.
+    /// TODO: Investigate the possible integration between FlexLM and Rainbow Sentinel in IA item "prog-17_202403".
     /// 
     /// Versions: 
     /// Rainbow Sentinel PD-15: IA items "ASMEsMechanicalEngineeringToolkit1997December" and "aplicaciones-windows".