diff --git a/installer/install.ps1 b/installer/install.ps1
index 5406bbf..5af1524 100644
--- a/installer/install.ps1
+++ b/installer/install.ps1
@@ -924,9 +924,11 @@ function Wait-DockerHealthy {
 }
  
 function Test-Endpoint {
-    param([string]$Name, [string]$Url, [int]$TimeoutSecs = 120)
+    param([string]$Name, [string]$Url, [int]$TimeoutSecs = 120, [string]$HostHeader = '')
     $start = Get-Date
     $lastDot = -1
+    $headers = @{}
+    if ($HostHeader) { $headers['Host'] = $HostHeader }
     while ($true) {
         $elapsed = [int]((Get-Date) - $start).TotalSeconds
         if ($elapsed -ge $TimeoutSecs) {
@@ -935,7 +937,7 @@ function Test-Endpoint {
         }
         try {
             # -SkipCertificateCheck is PS6+ only; SSL trust is handled by Enable-TrustAllCerts above
-            $resp = Invoke-WebRequest -Uri $Url -UseBasicParsing -TimeoutSec 5 -ErrorAction Stop
+            $resp = Invoke-WebRequest -Uri $Url -UseBasicParsing -TimeoutSec 5 -Headers $headers -ErrorAction Stop
             $dur = [int]((Get-Date) - $start).TotalSeconds
             Write-Host ("  [ok]   {0,-20} ready ({1}s)" -f $Name, $dur) -ForegroundColor Green
             return $true
@@ -976,7 +978,7 @@ function Verify-Health {
             if (-not (Test-Endpoint 'Cameleer SaaS' "https://localhost:$($c.HttpsPort)/platform/api/config" 120)) { $failed = $true }
         }
         if (-not $failed) {
-            if (-not (Test-Endpoint 'Traefik routing' "https://localhost:$($c.HttpsPort)/" 30)) { $failed = $true }
+            if (-not (Test-Endpoint 'Traefik routing' "https://localhost:$($c.HttpsPort)/" 30 $c.PublicHost)) { $failed = $true }
         }
     }
  
diff --git a/installer/install.sh b/installer/install.sh
index 46a9de0..59a8633 100644
--- a/installer/install.sh
+++ b/installer/install.sh
@@ -885,8 +885,10 @@ wait_for_docker_healthy() {
 }
 
 check_endpoint() {
-  local name="$1" url="$2" timeout_secs="${3:-120}"
+  local name="$1" url="$2" timeout_secs="${3:-120}" resolve="${4:-}"
   local start_time=$(date +%s)
+  local extra_flags=""
+  [ -n "$resolve" ] && extra_flags="--resolve $resolve"
 
   while true; do
     local elapsed=$(( $(date +%s) - start_time ))
@@ -894,7 +896,7 @@ check_endpoint() {
       printf "  ${RED}[FAIL]${NC} %-20s not reachable after %ds\n" "$name" "$timeout_secs"
       return 1
     fi
-    if curl -sfk -o /dev/null "$url" 2>/dev/null; then
+    if curl -sfk $extra_flags -o /dev/null "$url" 2>/dev/null; then
       local duration=$(( $(date +%s) - start_time ))
       printf "  ${GREEN}[ok]${NC} %-20s ready (%ds)\n" "$name" "$duration"
       return 0
@@ -927,7 +929,7 @@ verify_health() {
       check_endpoint "Cameleer SaaS" "https://localhost:${HTTPS_PORT}/platform/api/config" 120 || failed=1
 
     [ $failed -eq 0 ] && \
-      check_endpoint "Traefik routing" "https://localhost:${HTTPS_PORT}/" 30 || failed=1
+      check_endpoint "Traefik routing" "https://${PUBLIC_HOST}:${HTTPS_PORT}/" 30 "${PUBLIC_HOST}:${HTTPS_PORT}:127.0.0.1" || failed=1
   fi
 
   echo ""