diff --git a/html/cgi-bin/ids.cgi b/html/cgi-bin/ids.cgi
index 6a6e5c285..6aa9ae9b9 100644
--- a/html/cgi-bin/ids.cgi
+++ b/html/cgi-bin/ids.cgi
@@ -307,6 +307,12 @@ if ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) {
 	}
 # Save snort settings.
 } elsif ($cgiparams{'IDS'} eq $Lang::tr{'save'}) {
+	my %oldidssettings;
+	my $reload_page;
+
+	# Read-in current (old) IDS settings.
+	&General::readhash("$IDS::settingsdir/settings", \%oldidssettings);
+
 	# Prevent form name from been stored in conf file.
 	delete $cgiparams{'IDS'};
 
@@ -327,6 +333,39 @@ if ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) {
 	# Generate file to store the home net.
 	&generate_home_net_file();
 
+	# File which contains wheater the rules should be changed.
+	my $modify_sids_file = "$IDS::settingsdir/oinkmaster-modify-sids.conf";
+
+	# Open modify sid's file for writing.
+	open(FILE, ">$modify_sids_file") or die "Could not write to $modify_sids_file. $!\n";
+
+	# Write file header.
+	print FILE "#Autogenerated file. Any custom changes will be overwritten!\n";
+
+	# Check if the configured runmode is IPS.
+	if ($cgiparams{'RUN_MODE'} eq 'IPS') {
+		# Tell oinkmaster to switch all rules from alert to drop.
+		print FILE "modifysid \* \"alert\" \| \"drop\"\n";
+	}
+
+	# Close file handle.
+	close(FILE);
+
+	# Check if the runmode has been changed.
+	if($cgiparams{'RUN_MODE'} ne $oldidssettings{'RUN_MODE'}) {
+		# Check if a ruleset exists.
+		if (%idsrules) {
+			# Lock the webpage and print message.
+			&working_notice("$Lang::tr{'snort working'}");
+
+			# Call oinkmaster to alter the ruleset.
+			&IDS::oinkmaster();
+
+			# Set reload_page to "True".
+			$reload_page="True";
+		}
+	}
+
 	# Check if the IDS currently is running.
 	if(&IDS::ids_is_running()) {
 		# Check if ENABLE_IDS is set to on.
@@ -341,6 +380,12 @@ if ($cgiparams{'RULESET'} eq $Lang::tr{'update'}) {
 		# Call suricatactrl to start suricata.
 		&IDS::call_suricatactrl("start");
 	}
+
+	# Check if the page should be reloaded.
+	if ($reload_page) {
+		# Perform a reload of the page.
+		&reload();
+	}
 }
 
 # Read-in idssettings