diff --git a/lemonldap-ng-handler/lib/Lemonldap/NG/Handler/Main/Run.pm b/lemonldap-ng-handler/lib/Lemonldap/NG/Handler/Main/Run.pm
index 0e14c83f8..b8ee50900 100644
--- a/lemonldap-ng-handler/lib/Lemonldap/NG/Handler/Main/Run.pm
+++ b/lemonldap-ng-handler/lib/Lemonldap/NG/Handler/Main/Run.pm
@@ -12,6 +12,21 @@ use MIME::Base64;
 use URI::Escape;
 use Lemonldap::NG::Common::Session;
 
+$ENV{LLNG_HANDLER_ENGINE} ||= 'nginx';
+
+our $reqVar = {
+  # Depending on the web engine using the handler, variables where the original
+  # host and requested URI can vary. This hashref set the variables for the supported web engine.
+  nginx => {
+    Host => 'HTTP_HOST',
+    Uri  => 'REQUEST_URI'
+  },
+  traefik => {
+    Host => 'HTTP_X_FORWARDED_HOST',
+    Uri  => 'HTTP_X_FORWARDED_URI'
+  }
+};
+
 # Methods that must be overloaded
 
 sub handler {
@@ -123,7 +138,7 @@ sub run {
     }
 
     # Authentication process
-    my $uri = $req->{env}->{REQUEST_URI};
+    my $uri = $req->{env}->{ $reqVar->{ $ENV{LLNG_HANDLER_ENGINE} }->{Uri} };
     my ($cond);
 
     ( $cond, $protection ) = $class->conditionSub($rule) if ($rule);
@@ -245,7 +260,7 @@ sub run {
 
         # if the cookie was fetched, a log is sent by retrieveSession()
         $class->updateStatus( $req, $id ? 'EXPIRED' : 'REDIRECT' );
-        return $class->goToPortal( $req, $req->{env}->{REQUEST_URI} );
+        return $class->goToPortal( $req, $req->{env}->{ $reqVar->{ $ENV{LLNG_HANDLER_ENGINE} }->{Uri} } );
     }
 }
 
@@ -270,10 +285,10 @@ sub updateStatus {
     my ( $class, $req, $action, $user, $url ) = @_;
     my $statusPipe = $class->tsv->{statusPipe} or return;
     $user ||= $req->{env}->{REMOTE_ADDR};
-    $url  ||= $req->{env}->{REQUEST_URI};
+    $url  ||= $req->{env}->{ $reqVar->{ $ENV{LLNG_HANDLER_ENGINE} }->{Uri} };
     eval {
         $statusPipe->print(
-            "$user => " . $req->{env}->{HTTP_HOST} . "$url $action\n" );
+            "$user => " . $req->{env}->{ $reqVar->{ $ENV{LLNG_HANDLER_ENGINE} }->{Host} } . "$url $action\n" );
     };
 }
 
@@ -397,7 +412,7 @@ sub grant {
 # @return Constant $class->FORBIDDEN
 sub forbidden {
     my ( $class, $req, $session, $vhost ) = @_;
-    my $uri    = $req->{env}->{REQUEST_URI};
+    my $uri    = $req->{env}->{ $reqVar->{ $ENV{LLNG_HANDLER_ENGINE} }->{Uri} };
     my $portal = $class->tsv->{portal}->();
     $portal = ( $portal =~ m#^https?://([^/]*).*# )[0];
     $portal =~ s/:\d+$//;
@@ -688,7 +703,7 @@ sub _isHttps {
 # @return URL
 sub _buildUrl {
     my ( $class, $req, $s ) = @_;
-    my $realvhost  = $req->{env}->{HTTP_HOST};
+    my $realvhost  = $req->{env}->{ $reqVar->{ $ENV{LLNG_HANDLER_ENGINE} }->{Host} };
     my $vhost      = $class->resolveAlias($req);
     my $_https     = $class->_isHttps( $req, $vhost );
     my $portString = $class->_getPort( $req, $vhost );
@@ -782,7 +797,7 @@ sub cleanHeaders {
 # returns vhost whose current hostname is an alias
 sub resolveAlias {
     my ( $class, $req ) = @_;
-    my $vhost = ref $req ? $req->{env}->{HTTP_HOST} : $req;
+    my $vhost = ref $req ? $req->{env}->{ $reqVar->{ $ENV{LLNG_HANDLER_ENGINE} }->{Host} } : $req;
 
     $vhost =~ s/:\d+//;
     return $class->tsv->{vhostAlias}->{$vhost}
@@ -806,7 +821,7 @@ sub abort {
 
     # If abort is called without a valid request, fall to die
     eval {
-        my $uri = $req->{env}->{REQUEST_URI};
+        my $uri = $req->{env}->{ $reqVar->{ $ENV{LLNG_HANDLER_ENGINE} }->{Uri} };
 
         $class->logger->error($msg);
 
diff --git a/lemonldap-ng-handler/lib/Lemonldap/NG/Handler/Server/Nginx.pm b/lemonldap-ng-handler/lib/Lemonldap/NG/Handler/Server/Nginx.pm
index caed9f421..11ad50e7f 100644
--- a/lemonldap-ng-handler/lib/Lemonldap/NG/Handler/Server/Nginx.pm
+++ b/lemonldap-ng-handler/lib/Lemonldap/NG/Handler/Server/Nginx.pm
@@ -8,6 +8,8 @@ use Lemonldap::NG::Handler::Server::Main;
 
 our $VERSION = '2.1.0';
 
+$ENV{LLNG_HANDLER_ENGINE} ||= 'nginx';
+
 extends 'Lemonldap::NG::Handler::PSGI';
 
 sub init {
@@ -35,7 +37,7 @@ sub _run {
             Lemonldap::NG::Common::PSGI::Request->new($req) );
 
         # Transform 302 responses in 401 since Nginx refuse it
-        if ( $res->[0] == 302 or $res->[0] == 303 ) {
+        if ( ( $res->[0] == 302 or $res->[0] == 303 ) and $ENV{LLNG_HANDLER_ENGINE} eq 'nginx' ) {
             $res->[0] = 401;
         }
         return $res;
@@ -69,14 +71,16 @@ sub handler {
     my @convertedHdrs =
       ( 'Content-Length' => 0, Cookie => ( $req->env->{HTTP_COOKIE} // '' ) );
     my $i = 0;
-    while ( my ( $k, $v ) = splice( @{ $req->{respHeaders} }, 0, 2 ) ) {
-        if ( $k =~ /^(?:Deleteheader\d+|Lm-Remote-(?:User|Custom)|Cookie)$/ ) {
-            push @convertedHdrs, $k, $v;
-        }
-        else {
-            $i++;
-            push @convertedHdrs, "Headername$i", $k, "Headervalue$i", $v, $k,
-              $v;
+    if ( $ENV{LLNG_HANDLER_ENGINE} eq 'nginx' ) {
+        while ( my ( $k, $v ) = splice( @{ $req->{respHeaders} }, 0, 2 ) ) {
+            if ( $k =~ /^(?:Deleteheader\d+|Lm-Remote-(?:User|Custom)|Cookie)$/ ) {
+                push @convertedHdrs, $k, $v;
+            }
+            else {
+                $i++;
+                push @convertedHdrs, "Headername$i", $k, "Headervalue$i", $v, $k,
+                  $v;
+            }
         }
     }
     return [ 200, \@convertedHdrs, [] ];