diff --git a/REFDB_FORMAT.txt b/REFDB_FORMAT.txt
index e271dda..681d4a3 100644
--- a/REFDB_FORMAT.txt
+++ b/REFDB_FORMAT.txt
@@ -962,9 +962,13 @@ unknowns_blocking_full_support:
   interworx:
     - ✅ RESOLVED: Database prefix is username_ (verified from docs)
     - ✅ RESOLVED: File paths all verified from official docs
-    - Best method for user→domains lookup (vhost parsing works)
-    - PHP version configuration method (non-critical)
-    - InterWorx CLI commands availability (optional, vhost parsing works)
+    - ✅ RESOLVED: Log file is 'transfer.log' NOT 'access_log' (TESTED: real server 2025-11-20)
+    - ✅ RESOLVED: Logs are symlinks to dated files with auto-rotation/compression
+    - ✅ RESOLVED: Domain→User lookup via vhost configs WORKS
+    - ✅ RESOLVED: User→Domains lookup WORKS (both methods)
+    - ✅ RESOLVED: Standard crontab works (crontab -u USER)
+    - ✅ TESTED: InterWorx 6.14.5 - ALL assumptions verified
+    - PHP version in vhost config (# iw-php-key: /opt/remi/php73) - works, non-critical
 
   plesk:
     - Database prefix pattern (assumed no prefix)
diff --git a/testing/validate-interworx.sh b/testing/validate-interworx.sh
index 0dcc35e..818da33 100755
--- a/testing/validate-interworx.sh
+++ b/testing/validate-interworx.sh
@@ -92,7 +92,7 @@ fi
 
 if [ -f "/usr/local/interworx/iworx.ini" ]; then
     test_pass "InterWorx config file exists: /usr/local/interworx/iworx.ini"
-    IW_VERSION=$(grep -i "^version" /usr/local/interworx/iworx.ini 2>/dev/null | cut -d'=' -f2 | tr -d ' ')
+    IW_VERSION=$(grep -E "^version\s*=" /usr/local/interworx/iworx.ini 2>/dev/null | head -1 | cut -d'=' -f2 | tr -d ' "')
     test_info "InterWorx version: $IW_VERSION"
 else
     test_fail "InterWorx config file NOT found"