diff --git a/src/cgi/sympa_soap_server.fcgi.in b/src/cgi/sympa_soap_server.fcgi.in
index 7c626c918..f689208d1 100644
--- a/src/cgi/sympa_soap_server.fcgi.in
+++ b/src/cgi/sympa_soap_server.fcgi.in
@@ -52,11 +52,7 @@ unless (Conf::load()) {
 # Open log
 my $log = Sympa::Log->instance;
 $log->{level} = $Conf::Conf{'log_level'};
-$log->openlog(
-    $Conf::Conf{'log_facility'} || $Conf::Conf{'syslog'},
-    $Conf::Conf{'log_socket_type'},
-    service => 'sympasoap'
-);
+$log->openlog(service => 'sympasoap');
 $log->syslog('info', 'SympaSOAP started');
 
 ## We set the real UID with the effective UID value
diff --git a/src/cgi/wwsympa.fcgi.in b/src/cgi/wwsympa.fcgi.in
index 5dd9a8e86..28eea2dfe 100644
--- a/src/cgi/wwsympa.fcgi.in
+++ b/src/cgi/wwsympa.fcgi.in
@@ -131,8 +131,7 @@ unless (Conf::load()) {
 # Open log
 my $log = Sympa::Log->instance;
 $log->{level} = $Conf::Conf{'log_level'};
-$log->openlog($Conf::Conf{'log_facility'} || $Conf::Conf{'syslog'},
-    $Conf::Conf{'log_socket_type'});
+$log->openlog;
 
 Sympa::Spool::Listmaster->instance->{use_bulk} = 1;
 
diff --git a/src/lib/Conf.pm b/src/lib/Conf.pm
index 10610fcb8..adad50534 100644
--- a/src/lib/Conf.pm
+++ b/src/lib/Conf.pm
@@ -1517,6 +1517,11 @@ sub _infer_server_specific_parameter_values {
 
     $param->{'config_hash'}{'robot_name'} = '';
 
+    $param->{'config_hash'}{'syslog_socket.type'} = [
+        grep {length} split /\*,\*/,
+        ($param->{'config_hash'}{'syslog_socket.type'} // '')
+    ];
+
     $param->{'config_hash'}{'dkim_signer_domain'} ||=
         $param->{'config_hash'}{'domain'};
 
@@ -2001,9 +2006,6 @@ sub _load_wwsconf {
             $conf->{'mhonarc'});
     }
 
-    ## set default
-    $conf->{'log_facility'} ||= $config_hash->{'syslog'};
-
     foreach my $k (keys %$conf) {
         $config_hash->{$k} = $conf->{$k};
     }
diff --git a/src/lib/Sympa/CLI.pm b/src/lib/Sympa/CLI.pm
index ff1154bdb..5cb3cff4d 100644
--- a/src/lib/Sympa/CLI.pm
+++ b/src/lib/Sympa/CLI.pm
@@ -252,7 +252,7 @@ sub arrange {
     }
 
     ## Open the syslog and say we're read out stuff.
-    $log->openlog($Conf::Conf{'syslog'}, $Conf::Conf{'log_socket_type'});
+    $log->openlog;
 
     # Enable SMTP logging if required
     $mailer->{log_smtp} = $options{'mail'}
@@ -298,7 +298,7 @@ sub arrange {
 
     # end _load()
 
-    $log->openlog($Conf::Conf{'syslog'}, $Conf::Conf{'log_socket_type'});
+    $log->openlog;
 
     # Set the User ID & Group ID for the process
     $GID = $EGID = (getgrnam(Sympa::Constants::GROUP))[2];
diff --git a/src/lib/Sympa/CLI/check.pm b/src/lib/Sympa/CLI/check.pm
index 14d659c01..da776a0e1 100644
--- a/src/lib/Sympa/CLI/check.pm
+++ b/src/lib/Sympa/CLI/check.pm
@@ -52,11 +52,7 @@ sub _run {
     }
 
     ## Open the syslog and say we're read out stuff.
-    $log->openlog(
-        $Conf::Conf{'syslog'},
-        $Conf::Conf{'log_socket_type'},
-        service => 'sympa/health_check'
-    );
+    $log->openlog(service => 'sympa/health_check');
 
     ## Setting log_level using conf unless it is set by calling option
     #FIXME: Redundant code?
diff --git a/src/lib/Sympa/CLI/test/syslog.pm b/src/lib/Sympa/CLI/test/syslog.pm
index 9007c2050..aebe330d5 100755
--- a/src/lib/Sympa/CLI/test/syslog.pm
+++ b/src/lib/Sympa/CLI/test/syslog.pm
@@ -41,11 +41,7 @@ sub _run {
     my $log = Sympa::Log->instance;
 
     # Open the syslog and say we're read out stuff.
-    $log->openlog(
-        $Conf::Conf{'syslog'},
-        $Conf::Conf{'log_socket_type'},
-        service => 'sympa/testlogs'
-    );
+    $log->openlog(service => 'sympa/testlogs');
 
     # setting log_level using conf unless it is set by calling option
     if ($options->{log_level}) {
diff --git a/src/lib/Sympa/Config/Schema.pm b/src/lib/Sympa/Config/Schema.pm
index 9b9358d3c..b157b3f1b 100644
--- a/src/lib/Sympa/Config/Schema.pm
+++ b/src/lib/Sympa/Config/Schema.pm
@@ -444,14 +444,65 @@ our %pinfo = (
         gettext_comment => 'Do not forget to configure syslog server.',
         format          => '\S+',
     },
-    log_socket_type => {
+    syslog_socket => {
         context    => [qw(site)],
         order      => 3.02,
         group      => 'logging',
-        importance => 100,
-        default    => 'unix',
-        gettext_id => 'Communication mode with syslog server',
-        format     => '\w+',
+        gettext_id => 'System log socket options',
+        gettext_comment =>
+            'The options to be used for system log socket. Options come from Sys::Syslog https://metacpan.org/pod/Sys::Syslog#setlogsock%28%29',
+        format => {
+            type => {
+                context    => [qw(site)],
+                order      => 1,
+                importance => 100,
+                gettext_id => 'Communication mode with syslog server',
+                gettext_comment =>
+                    'In most cases, an appropriate default value should be automatically chosen.',
+                format => [
+                    'native', 'tcp',    'udp',  'inet',
+                    'unix',   'stream', 'pipe', 'console',
+                ],
+                occurrence => '0-n',
+                split_char => ',',
+            },
+            path => {
+                context    => [qw(site)],
+                order      => 2,
+                gettext_id => 'Stream location',
+                gettext_comment =>
+                    'Defaults to the standard location on the system.',
+                format => '.+',
+            },
+            timeout => {
+                context      => [qw(site)],
+                order        => 3,
+                gettext_id   => 'Socket timeout',
+                gettext_unit => 'seconds',
+                format       => '\d+([.]\d+)?',
+            },
+            host => {
+                context         => [qw(site)],
+                order           => 4,
+                gettext_id      => 'Host name to send the messages to',
+                gettext_comment => 'Defaults to the local host.',
+                format_s        => '$host',
+            },
+            port => {
+                context    => [qw(site)],
+                order      => 5,
+                gettext_id => 'TCP or UDP port to connect to',
+                gettext_comment =>
+                    'Defaults to the standard port on the system.',
+                format => '\d+',
+            },
+        },
+        not_before => '6.2.73b.1',
+    },
+    log_socket_type => {
+        context    => [qw(site)],
+        obsolete   => 'syslog_socket.type',
+        not_after  => '6.2.72',
     },
     log_level => {
         context    => [qw(domain site)],    #FIXME "domain" possible?
diff --git a/src/lib/Sympa/Log.pm b/src/lib/Sympa/Log.pm
index 44fcc5160..0d8f88ef3 100644
--- a/src/lib/Sympa/Log.pm
+++ b/src/lib/Sympa/Log.pm
@@ -49,14 +49,10 @@ sub _new_instance {
 
 # Old name: Log::do_openlog().
 sub openlog {
-    my $self        = shift;
-    my $facility    = shift;
-    my $socket_type = shift;
-    my %options     = @_;
-
-    $self->{_facility}    = $facility;
-    $self->{_socket_type} = $socket_type;
-    $self->{_service}     = $options{service} || _daemon_name() || 'sympa';
+    my $self    = shift;
+    my %options = @_;
+
+    $self->{_service} = $options{service} || _daemon_name() || 'sympa';
     $self->{_database_backend} =
         (exists $options{database_backend})
         ? $options{database_backend}
@@ -223,15 +219,30 @@ sub _daemon_name {
 sub _connect {
     my $self = shift;
 
-    if ($self->{_socket_type} =~ /^(unix|inet)$/i) {
-        Sys::Syslog::setlogsock(lc($self->{_socket_type}));
+    if (@{$Conf::Conf{'syslog_socket.type'} || []}) {
+        Sys::Syslog::setlogsock(
+            {   (type => $Conf::Conf{'syslog_socket.type'}),
+                map {
+                    length($Conf::Conf{"syslog_socket.$_"} // '')
+                        ? ($_ => $Conf::Conf{"syslog_socket.$_"})
+                        : ()
+                } qw(path timeout host port)
+            }
+        );
     }
+
+    my $facility =
+        (grep { $self->{_service} eq $_ }
+            qw(wwsympa sympasoap archived bounced task_manager)
+            and $Conf::Conf{'log_facility'})
+        || $Conf::Conf{'syslog'};
+
     # Close log may be useful: If parent processus did open log child
     # process inherit the openlog with parameters from parent process.
     Sys::Syslog::closelog;
     eval {
         Sys::Syslog::openlog(sprintf('%s[%s]', $self->{_service}, $PID),
-            'ndelay,nofatal', $self->{_facility});
+            'ndelay,nofatal', $facility);
     };
     if ($EVAL_ERROR && ($warning_date < time - $warning_timeout)) {
         warn sprintf 'No logs available: %s', $EVAL_ERROR;
@@ -852,7 +863,7 @@ Sympa::Log - Logging facility of Sympa
   use Sympa::Log;
 
   my $log = Sympa::Log->instance;
-  $log->openlog($facility, 'inet');
+  $log->openlog(facility => $facility);
   $log->{level} = 0;
   $log->syslog('info', '%s: Stat logging', $$);
 
@@ -869,7 +880,7 @@ TBD.
 I<Constructor>.
 Creates new singleton instance of L<Sympa::Log>.
 
-=item openlog ( $facility, $socket_type, [ options ... ] )
+=item openlog ( [ options ... ] )
 
 TBD.
 
diff --git a/src/lib/Sympa/Spindle/ProcessOutgoing.pm b/src/lib/Sympa/Spindle/ProcessOutgoing.pm
index c14e6ee7c..baa10f1f9 100644
--- a/src/lib/Sympa/Spindle/ProcessOutgoing.pm
+++ b/src/lib/Sympa/Spindle/ProcessOutgoing.pm
@@ -139,8 +139,7 @@ sub _fork_children {
                         close STDERR;
                         $process->direct_stderr_to_file;
                         $self->{_last_activity} = time;
-                        $log->openlog($Conf::Conf{'syslog'},
-                            $Conf::Conf{'log_socket_type'});
+                        $log->openlog;
                         $log->syslog('info',
                             'Bulk slave daemon started with PID %s', $PID);
                         last;
diff --git a/src/lib/Sympa/Upgrade.pm b/src/lib/Sympa/Upgrade.pm
index 12f4e45d6..a7f15ccaf 100644
--- a/src/lib/Sympa/Upgrade.pm
+++ b/src/lib/Sympa/Upgrade.pm
@@ -2233,6 +2233,23 @@ sub upgrade {
         $log->syslog('notice', '...Done.');
     }
 
+    if (lower_version($previous_version, '6.2.74')) {
+        # syslog_socket.type no longer has the default.
+        # Previously, log_socket_type had a default value "unix".
+        if (open my $fh, '+<', Conf::get_sympa_conf()) {
+            my @p = grep {/\A\s*log_socket_type\s+\S+/} <$fh>;
+            if (not @p and seek $fh, 0, 2) {
+                my $human_date =
+                    $language->gettext_strftime('%d %b %Y at %H:%M:%S',
+                    localtime time);
+                printf $fh
+                    "\n\n# Upgrade from %s to %s\n# %s\nsyslog_socket.type unix\n",
+                    $previous_version, $new_version, $human_date;
+            }
+            close $fh;
+        }
+    }
+
     return 1;
 }
 
diff --git a/src/libexec/alias_manager.pl.in b/src/libexec/alias_manager.pl.in
index a145562fe..a5cceec86 100644
--- a/src/libexec/alias_manager.pl.in
+++ b/src/libexec/alias_manager.pl.in
@@ -56,7 +56,7 @@ unless (defined Conf::load()) {
 
 my $log = Sympa::Log->instance;
 $log->{level} = $Conf::Conf{'log_level'};
-$log->openlog($Conf::Conf{'syslog'}, $Conf::Conf{'log_socket_type'});
+$log->openlog;
 
 my ($operation, $listname, $domain, $file) = @ARGV;
 
diff --git a/src/sbin/archived.pl.in b/src/sbin/archived.pl.in
index 9f57e302c..0e3f94a3a 100644
--- a/src/sbin/archived.pl.in
+++ b/src/sbin/archived.pl.in
@@ -111,8 +111,7 @@ if ($main::options{'log_level'}) {
     );
 }
 
-my $log_facility = $Conf::Conf{'log_facility'} || $Conf::Conf{'syslog'};
-$log->openlog($log_facility, $Conf::Conf{'log_socket_type'});
+$log->openlog;
 
 ## Set the User ID & Group ID for the process
 $GID = $EGID = (getgrnam(Sympa::Constants::GROUP))[2];
diff --git a/src/sbin/bounced.pl.in b/src/sbin/bounced.pl.in
index 5abb92264..99abc0d8e 100644
--- a/src/sbin/bounced.pl.in
+++ b/src/sbin/bounced.pl.in
@@ -119,8 +119,7 @@ if ($main::options{'log_level'}) {
     );
 }
 
-my $log_facility = $Conf::Conf{'log_facility'} || $Conf::Conf{'syslog'};
-$log->openlog($log_facility, $Conf::Conf{'log_socket_type'});
+$log->openlog;
 
 ## Set the User ID & Group ID for the process
 $GID = $EGID = (getgrnam(Sympa::Constants::GROUP))[2];
diff --git a/src/sbin/bulk.pl.in b/src/sbin/bulk.pl.in
index ecfb53e2c..9521258a9 100644
--- a/src/sbin/bulk.pl.in
+++ b/src/sbin/bulk.pl.in
@@ -83,7 +83,7 @@ unless (Conf::load()) {
         Conf::get_sympa_conf();
 }
 
-$log->openlog($Conf::Conf{'syslog'}, $Conf::Conf{'log_socket_type'});
+$log->openlog;
 
 my $mailer = Sympa::Mailer->instance;
 
@@ -112,7 +112,7 @@ if ($main::options{log_level}) {
 unless ($main::options{'foreground'}) {
     $process->daemonize;
 }
-$log->openlog($Conf::Conf{'syslog'}, $Conf::Conf{'log_socket_type'});
+$log->openlog;
 
 # Create and write the PID file.
 $process->write_pid(initial => 1);
diff --git a/src/sbin/sympa_automatic.pl.in b/src/sbin/sympa_automatic.pl.in
index b0ba9d181..38def9b0e 100644
--- a/src/sbin/sympa_automatic.pl.in
+++ b/src/sbin/sympa_automatic.pl.in
@@ -86,7 +86,7 @@ unless ($main::options{'foreground'}) {
     $process->daemonize;
 }
 
-$log->openlog($Conf::Conf{'syslog'}, $Conf::Conf{'log_socket_type'});
+$log->openlog;
 
 # Create and write the PID file.
 $process->write_pid(initial => 1);
@@ -203,7 +203,7 @@ sub _load {
     }
 
     ## Open the syslog and say we're read out stuff.
-    $log->openlog($Conf::Conf{'syslog'}, $Conf::Conf{'log_socket_type'});
+    $log->openlog;
 
     # Enable SMTP logging if required
     $mailer->{log_smtp} = $main::options{'mail'}
diff --git a/src/sbin/sympa_msg.pl.in b/src/sbin/sympa_msg.pl.in
index 8164767eb..c1532ce40 100644
--- a/src/sbin/sympa_msg.pl.in
+++ b/src/sbin/sympa_msg.pl.in
@@ -113,7 +113,7 @@ unless ($main::options{'foreground'}) {
     }
 }
 
-$log->openlog($Conf::Conf{'syslog'}, $Conf::Conf{'log_socket_type'});
+$log->openlog;
 
 # Create and write the PID file.
 $process->write_pid(initial => 1);
@@ -147,8 +147,7 @@ unless ($main::options{'foreground'}) {
                 # We're in a child process
                 close STDERR;
                 $process->direct_stderr_to_file;
-                $log->openlog($Conf::Conf{'syslog'},
-                    $Conf::Conf{'log_socket_type'});
+                $log->openlog;
                 $log->syslog('info', 'Slave daemon started with PID %s',
                     $PID);
                 last;
@@ -283,7 +282,7 @@ sub _load {
     }
 
     ## Open the syslog and say we're read out stuff.
-    $log->openlog($Conf::Conf{'syslog'}, $Conf::Conf{'log_socket_type'});
+    $log->openlog;
 
     # Enable SMTP logging if required
     $mailer->{log_smtp} = $main::options{'mail'}
diff --git a/src/sbin/sympa_newaliases.pl.in b/src/sbin/sympa_newaliases.pl.in
index 398cefca6..26bc65f14 100644
--- a/src/sbin/sympa_newaliases.pl.in
+++ b/src/sbin/sympa_newaliases.pl.in
@@ -67,11 +67,7 @@ unless (Conf::load()) {
     exit 1;
 }
 
-$log->openlog(
-    $Conf::Conf{'syslog'},
-    $Conf::Conf{'log_socket_type'},
-    database_backend => undef
-);
+$log->openlog(database_backend => undef);
 
 # setting log_level using conf unless it is set by calling option
 $log->{level} = $Conf::Conf{'log_level'};
diff --git a/src/sbin/task_manager.pl.in b/src/sbin/task_manager.pl.in
index 23b5753b9..c137df48c 100644
--- a/src/sbin/task_manager.pl.in
+++ b/src/sbin/task_manager.pl.in
@@ -79,7 +79,7 @@ unless (Conf::load()) {
         Conf::get_sympa_conf();
 }
 
-$log->openlog($Conf::Conf{'log_facility'}, $Conf::Conf{'log_socket_type'});
+$log->openlog;
 
 # setting log_level using conf unless it is set by calling option
 if ($main::options{'log_level'}) {
diff --git a/sympa.conf.in b/sympa.conf.in
index 63f3b5312..4c98cece3 100644
--- a/sympa.conf.in
+++ b/sympa.conf.in
@@ -27,7 +27,7 @@ db_name             sympa
 ########################################################################
 
 #syslog              LOCAL1 
-#log_socket_type     unix
+#syslog_socket.type
 
 ########################################################################
 # Configure mail server
diff --git a/t/Database_SQLite.t b/t/Database_SQLite.t
index e5859a842..19ff0cb1c 100644
--- a/t/Database_SQLite.t
+++ b/t/Database_SQLite.t
@@ -24,15 +24,14 @@ my $test_listmaster = 'dude@example.com';
 my $tempdir = File::Temp->newdir(CLEANUP => ($ENV{TEST_DEBUG} ? 0 : 1));
 
 %Conf::Conf = (
-    domain          => 'mail.example.org',    # mandatory
-    listmaster      => $test_listmaster,      # mandatory
-    db_type         => 'SQLite',
-    db_name         => ':memory:',
-    queuebulk       => $tempdir . '/bulk',
-    queuesubscribe  => $tempdir . '/auth',
-    home            => $tempdir,
-    log_socket_type => 'stream',
-    db_list_cache   => 'off',
+    domain         => 'mail.example.org',    # mandatory
+    listmaster     => $test_listmaster,      # mandatory
+    db_type        => 'SQLite',
+    db_name        => ':memory:',
+    queuebulk      => $tempdir . '/bulk',
+    queuesubscribe => $tempdir . '/auth',
+    home           => $tempdir,
+    db_list_cache  => 'off',
 );
 # Apply defaults.
 foreach my $pinfo (grep { $_->{name} and exists $_->{default} }
diff --git a/t/Request_Handler_set.t b/t/Request_Handler_set.t
index 60d6cb9c0..cce45cb06 100644
--- a/t/Request_Handler_set.t
+++ b/t/Request_Handler_set.t
@@ -33,15 +33,14 @@ my $list = bless {
 } => 'Sympa::List';
 
 %Conf::Conf = (
-    domain          => 'mail.example.org',    # mandatory
-    listmaster      => $test_listmaster,      # mandatory
-    db_type         => 'SQLite',
-    db_name         => ':memory:',
-    queuebulk       => $tempdir . '/bulk',
-    queuesubscribe  => $tempdir . '/auth',
-    home            => $tempdir,
-    log_socket_type => 'stream',
-    db_list_cache   => 'off',
+    domain         => 'mail.example.org',    # mandatory
+    listmaster     => $test_listmaster,      # mandatory
+    db_type        => 'SQLite',
+    db_name        => ':memory:',
+    queuebulk      => $tempdir . '/bulk',
+    queuesubscribe => $tempdir . '/auth',
+    home           => $tempdir,
+    db_list_cache  => 'off',
 );
 # Apply defaults.
 foreach my $pinfo (grep { $_->{name} and exists $_->{default} }