diff -Naur sympa/src/cgi/wwsympa.fcgi.in sympa-changed/src/cgi/wwsympa.fcgi.in
--- sympa/src/cgi/wwsympa.fcgi.in	2022-01-24 08:05:58.000000000 +0100
+++ sympa-changed/src/cgi/wwsympa.fcgi.in	2022-06-12 14:22:36.692771967 +0200
@@ -1842,7 +1842,7 @@
 
     my %options = %{$data || {}};
 
-    $options{'client'} = $param->{'remote_addr'};
+    $options{'client'} = '127.0.125.1';
     $options{'daemon'} = 'wwsympa';
     $options{'robot'}      ||= $robot;
     $options{'list'}       ||= $list->{'name'} if ref $list eq 'Sympa::List';
@@ -1870,7 +1870,7 @@
     $options{'operation'} ||= $param->{'action'};
     $options{'list'} ||= $list->{'name'} if ref $list eq 'Sympa::List';
     $options{'daemon'} = 'wwsympa';
-    $options{'client'} = $param->{'remote_addr'};
+    $options{'client'} = '127.0.125.1';
     $options{'robot'} ||= $robot;
 
     unless ($log->add_stat(%options)) {
diff -Naur sympa/src/lib/Sympa/Log.pm sympa-changed/src/lib/Sympa/Log.pm
--- sympa/src/lib/Sympa/Log.pm	2021-12-09 09:54:08.000000000 +0100
+++ sympa-changed/src/lib/Sympa/Log.pm	2022-06-12 14:19:06.885663503 +0200
@@ -299,7 +299,16 @@
     my $status       = $options{'status'};
     my $error_type   = $options{'error_type'};
     my $user_email   = $options{'user_email'};
-    my $client       = $options{'client'};
+    my $client;
+    if (defined $options{'client'} && length $options{'client'} > 0) {
+        if ($options{'client'} !~ /^127/) {
+            $client    =  '127.126.0.1';
+        } else {
+            $client     = $options{'client'};
+        }
+    } else {
+        $client     = $options{'client'};
+    }
     my $daemon       = $self->{_service} || 'sympa';
     my ($date, $usec) = Sympa::Tools::Time::gettimeofday();
 
@@ -357,7 +366,16 @@
     my $date      = time;
     my $mail      = $options{'mail'};
     my $daemon    = $self->{_service} || 'sympa';
-    my $ip        = $options{'client'};
+    my $ip;
+    if (defined $options{'client'} && length $options{'client'} > 0) {
+        if ($options{'client'} !~ /^127/) {
+            $ip    =  '127.126.0.1';
+        } else {
+            $ip     = $options{'client'};
+        }
+    } else {
+        $ip        = $options{'client'};
+    }
     my $robot     = $options{'robot'};
     my $parameter = $options{'parameter'};
     my $read      = 0;