diff --git a/src/mibew/libs/classes/Mibew/Controller/Operator/AbstractController.php b/src/mibew/libs/classes/Mibew/Controller/Operator/AbstractController.php
new file mode 100644
index 00000000..1f3555a1
--- /dev/null
+++ b/src/mibew/libs/classes/Mibew/Controller/Operator/AbstractController.php
@@ -0,0 +1,62 @@
+<?php
+/*
+ * Copyright 2005-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Mibew\Controller\Operator;
+
+use Mibew\Controller\AbstractController as BaseController;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Provides a set of utility functions.
+ */
+abstract class AbstractController extends BaseController
+{
+    /**
+     * Builds list of the operator tabs.
+     *
+     * @param Request $request Current request.
+     * @return array Tabs list. The keys of the array are tabs titles and the
+     *   values are tabs URLs.
+     */
+    protected function buildTabs(Request $request)
+    {
+        $tabs = array();
+        $route = $request->attributes->get('_route');
+        $operator_id = $request->attributes->get('operator_id', false);
+        $args = array('operator_id' => $operator_id);
+
+        if ($operator_id) {
+            $tabs[getlocal('page_agent.tab.main')] = ($route != 'operator_edit')
+                ? $this->generateUrl('operator_edit', $args)
+                : '';
+
+            $tabs[getlocal('page_agent.tab.avatar')] = ($route != 'operator_avatar')
+                ? $this->generateUrl('operator_avatar', $args)
+                : '';
+
+            $tabs[getlocal('page_agent.tab.groups')] = ($route != 'operator_groups')
+                ? $this->generateUrl('operator_groups', $args)
+                : '';
+
+            $tabs[getlocal('page_agent.tab.permissions')] = ($route != 'operator_permissions')
+                ? $this->generateUrl('operator_permissions', $args)
+                : '';
+        }
+
+        return $tabs;
+    }
+}
diff --git a/src/mibew/libs/classes/Mibew/Controller/Operator/AvatarController.php b/src/mibew/libs/classes/Mibew/Controller/Operator/AvatarController.php
index 19f6be19..e31000d9 100644
--- a/src/mibew/libs/classes/Mibew/Controller/Operator/AvatarController.php
+++ b/src/mibew/libs/classes/Mibew/Controller/Operator/AvatarController.php
@@ -17,7 +17,6 @@
 
 namespace Mibew\Controller\Operator;
 
-use Mibew\Controller\AbstractController;
 use Mibew\Settings;
 use Mibew\Http\Exception\AccessDeniedException;
 use Mibew\Http\Exception\NotFoundException;
@@ -67,7 +66,7 @@ class AvatarController extends AbstractController
         $page['menuid'] = ($operator['operatorid'] == $op_id) ? 'profile' : 'operators';
 
         $page = array_merge($page, prepare_menu($operator));
-        $page['tabs'] = setup_operator_settings_tabs($op_id, 1);
+        $page['tabs'] = $this->buildTabs($request);
 
         return $this->render('operator_avatar', $page);
     }
diff --git a/src/mibew/libs/classes/Mibew/Controller/Operator/GroupsController.php b/src/mibew/libs/classes/Mibew/Controller/Operator/GroupsController.php
index 7cb77701..b7962548 100644
--- a/src/mibew/libs/classes/Mibew/Controller/Operator/GroupsController.php
+++ b/src/mibew/libs/classes/Mibew/Controller/Operator/GroupsController.php
@@ -17,7 +17,6 @@
 
 namespace Mibew\Controller\Operator;
 
-use Mibew\Controller\AbstractController;
 use Mibew\Http\Exception\AccessDeniedException;
 use Mibew\Http\Exception\BadRequestException;
 use Mibew\Http\Exception\NotFoundException;
@@ -95,7 +94,7 @@ class GroupsController extends AbstractController
         $page['title'] = getlocal('operator.groups.title');
         $page['menuid'] = ($operator['operatorid'] == $op_id) ? 'profile' : 'operators';
         $page = array_merge($page, prepare_menu($operator));
-        $page['tabs'] = setup_operator_settings_tabs($op_id, 2);
+        $page['tabs'] = $this->buildTabs($request);
 
         return $this->render('operator_groups', $page);
     }
diff --git a/src/mibew/libs/classes/Mibew/Controller/Operator/ManagementController.php b/src/mibew/libs/classes/Mibew/Controller/Operator/ManagementController.php
index 66053b86..3ff1c47b 100644
--- a/src/mibew/libs/classes/Mibew/Controller/Operator/ManagementController.php
+++ b/src/mibew/libs/classes/Mibew/Controller/Operator/ManagementController.php
@@ -17,7 +17,6 @@
 
 namespace Mibew\Controller\Operator;
 
-use Mibew\Controller\AbstractController;
 use Mibew\Database;
 use Mibew\Http\Exception\NotFoundException;
 use Symfony\Component\HttpFoundation\Request;
diff --git a/src/mibew/libs/classes/Mibew/Controller/Operator/PermissionsController.php b/src/mibew/libs/classes/Mibew/Controller/Operator/PermissionsController.php
new file mode 100644
index 00000000..02f6db9e
--- /dev/null
+++ b/src/mibew/libs/classes/Mibew/Controller/Operator/PermissionsController.php
@@ -0,0 +1,154 @@
+<?php
+/*
+ * Copyright 2005-2014 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Mibew\Controller\Operator;
+
+use Mibew\Http\Exception\AccessDeniedException;
+use Mibew\Http\Exception\BadRequestException;
+use Mibew\Http\Exception\NotFoundException;
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * Contains all actions which are related with operator's permissions.
+ */
+class PermissionsController extends AbstractController
+{
+    /**
+     * Builds a page with form for edit operator's permissions.
+     *
+     * @param Request $request Incoming request.
+     * @return string Rendered page content.
+     * @throws NotFoundException If the operator with specified ID is not found
+     *   in the system.
+     * @throws AccessDeniedException If the current operator has not enough
+     *   rights to view the page.
+     */
+    public function showFormAction(Request $request)
+    {
+        set_csrf_token();
+
+        $operator = $request->attributes->get('_operator');
+        $op_id = $request->attributes->get('operator_id');
+
+        $page = array(
+            'opid' => $op_id,
+            'canmodify' => is_capable(CAN_ADMINISTRATE, $operator) ? '1' : '',
+            'errors' => array(),
+        );
+
+        // Check if the curent operator has enough rights to access the page
+        if ($op_id != $operator['operatorid'] && !is_capable(CAN_ADMINISTRATE, $operator)) {
+            throw new AccessDeniedException();
+        }
+
+        $op = operator_by_id($op_id);
+        if (!$op) {
+            throw new NotFoundException('The operator is not found.');
+        }
+
+        // Check if the target operator exists
+        $page['currentop'] = $op
+            ? get_operator_name($op) . ' (' . $op['vclogin'] . ')'
+            : getlocal('not_found');
+
+        // Build list of permissions which belongs to the target operator.
+        $checked_permissions = array();
+        foreach (permission_ids() as $perm => $id) {
+            if (is_capable($perm, $op)) {
+                $checked_permissions[] = $id;
+            }
+        }
+
+        // Build list of all available permissions
+        $page['permissionsList'] = array();
+        foreach (get_permission_list() as $perm) {
+            $perm['checked'] = in_array($perm['id'], $checked_permissions);
+            $page['permissionsList'][] = $perm;
+        }
+
+        $page['stored'] = $request->query->has('stored');
+        $page['title'] = getlocal('permissions.title');
+        $page['menuid'] = ($operator['operatorid'] == $op_id) ? 'profile' : 'operators';
+        $page = array_merge($page, prepare_menu($operator));
+        $page['tabs'] = $this->buildTabs($request);
+
+        return $this->render('operator_permissions', $page);
+    }
+
+    /**
+     * Processes submitting of the form which is generated in
+     * {@link \Mibew\Controller\Operator\PermissionsController::showFormAction()}
+     * method.
+     *
+     * @param Request $request Incoming request.
+     * @return string Rendered page content.
+     * @throws NotFoundException If the operator with specified ID is not found
+     *   in the system.
+     * @throws BadRequestException If the "op" field of the form is in wrong
+     *   format.
+     */
+    public function submitFormAction(Request $request)
+    {
+        csrf_check_token($request);
+
+        $operator = $request->attributes->get('_operator');
+
+        // Use value from the form and not from the path to make sure it is
+        // correct. If not, throw an exception.
+        $op_id = $request->request->get('op');
+        if (!preg_match("/^\d{1,10}$/", $op_id)) {
+            throw new BadRequestException('Wrong value of "op" form field.');
+        }
+
+        // Check if the target operator exists
+        $op = operator_by_id($op_id);
+        if (!$op) {
+            throw new NotFoundException('The operator is not found.');
+        }
+
+        $new_permissions = isset($op['iperm']) ? $op['iperm'] : 0;
+
+        foreach (permission_ids() as $perm => $id) {
+            if ($request->request->get('permissions' . $id) == 'on') {
+                $new_permissions |= (1 << $perm);
+            } else {
+                $new_permissions &= ~(1 << $perm);
+            }
+        }
+
+        // Update operator's permissions in the database and in cached session
+        // data if it is needed.
+        update_operator_permissions($op['operatorid'], $new_permissions);
+
+        if ($operator['operatorid'] == $op_id) {
+            $operator['iperm'] = $new_permissions;
+            $_SESSION[SESSION_PREFIX . 'operator'] = $operator;
+            $request->attributes->set('_operator', $operator);
+        }
+
+        // Redirect the current operator to the same page using GET method.
+        $redirect_to = $this->generateUrl(
+            'operator_permissions',
+            array(
+                'operator_id' => $op_id,
+                'stored' => true,
+            )
+        );
+
+        return $this->redirect($redirect_to);
+    }
+}
diff --git a/src/mibew/libs/classes/Mibew/Controller/Operator/ProfileController.php b/src/mibew/libs/classes/Mibew/Controller/Operator/ProfileController.php
index bcd63b93..67520859 100644
--- a/src/mibew/libs/classes/Mibew/Controller/Operator/ProfileController.php
+++ b/src/mibew/libs/classes/Mibew/Controller/Operator/ProfileController.php
@@ -17,7 +17,6 @@
 
 namespace Mibew\Controller\Operator;
 
-use Mibew\Controller\AbstractController;
 use Mibew\Http\Exception\AccessDeniedException;
 use Mibew\Http\Exception\NotFoundException;
 use Symfony\Component\HttpFoundation\Request;
@@ -109,7 +108,7 @@ class ProfileController extends AbstractController
         $page['requirePassword'] = (!$op_id || $page['needChangePassword']);
         $page['formaction'] = $request->getBaseUrl() . $request->getPathInfo();
         $page = array_merge($page, prepare_menu($operator));
-        $page['tabs'] = setup_operator_settings_tabs($op_id, 0);
+        $page['tabs'] = $this->buildTabs($request);
 
         return $this->render('operator_edit', $page);
     }
diff --git a/src/mibew/libs/init.php b/src/mibew/libs/init.php
index cb836ff1..568e1f90 100644
--- a/src/mibew/libs/init.php
+++ b/src/mibew/libs/init.php
@@ -105,7 +105,6 @@ require_once(MIBEW_FS_ROOT . '/libs/groups.php');
 require_once(MIBEW_FS_ROOT . '/libs/invitation.php');
 require_once(MIBEW_FS_ROOT . '/libs/notify.php');
 require_once(MIBEW_FS_ROOT . '/libs/operator.php');
-require_once(MIBEW_FS_ROOT . '/libs/operator_settings.php');
 require_once(MIBEW_FS_ROOT . '/libs/pagination.php');
 require_once(MIBEW_FS_ROOT . '/libs/statistics.php');
 require_once(MIBEW_FS_ROOT . '/libs/settings.php');
diff --git a/src/mibew/libs/operator_settings.php b/src/mibew/libs/operator_settings.php
deleted file mode 100644
index b2759c8f..00000000
--- a/src/mibew/libs/operator_settings.php
+++ /dev/null
@@ -1,49 +0,0 @@
-<?php
-/*
- * Copyright 2005-2014 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * Builds list of operator settings tabs. The keys of the resulting array are
- * tabs titles and the values are tabs URLs.
- *
- * @param int $operator_id ID of the operator whose settings page is displayed.
- * @param int $active Number of the active tab. The count starts from 0.
- * @return array Tabs list
- * @deprecated
- */
-function setup_operator_settings_tabs($operator_id, $active)
-{
-    $tabs = array();
-
-    if ($operator_id) {
-        $tabs = array(
-            getlocal("page_agent.tab.main") => ($active != 0
-                ? (MIBEW_WEB_ROOT . "/operator/operator/" . $operator_id . "/edit")
-                : ""),
-            getlocal("page_agent.tab.avatar") => ($active != 1
-                ? (MIBEW_WEB_ROOT . "/operator/operator/" . $operator_id . "/avatar")
-                : ""),
-            getlocal("page_agent.tab.groups") => ($active != 2
-                ? (MIBEW_WEB_ROOT . "/operator/operator/" . $operator_id . "/groups")
-                : ""),
-            getlocal("page_agent.tab.permissions") => ($active != 3
-                ? (MIBEW_WEB_ROOT . "/operator/permissions.php?op=" . $operator_id)
-                : ""),
-        );
-    }
-
-    return $tabs;
-}
diff --git a/src/mibew/libs/routing.yml b/src/mibew/libs/routing.yml
index c4717b02..afd985f3 100644
--- a/src/mibew/libs/routing.yml
+++ b/src/mibew/libs/routing.yml
@@ -274,6 +274,25 @@ operator_groups_save:
         operator_id: \d{1,10}
     methods: [POST]
 
+operator_permissions:
+    path: /operator/operator/{operator_id}/permissions
+    defaults:
+        _controller: Mibew\Controller\Operator\PermissionsController::showFormAction
+        _access_check: Mibew\AccessControl\Check\LoggedInCheck
+    requirements:
+        operator_id: \d{1,10}
+    methods: [GET]
+
+operator_permissions_save:
+    path: /operator/operator/{operator_id}/permissions
+    defaults:
+        _controller: Mibew\Controller\Operator\PermissionsController::submitFormAction
+        _access_check: Mibew\AccessControl\Check\PermissionsCheck
+        _access_permissions: [CAN_ADMINISTRATE]
+    requirements:
+        operator_id: \d{1,10}
+    methods: [POST]
+
 operators:
     path: /operator/operator
     defaults:
diff --git a/src/mibew/operator/permissions.php b/src/mibew/operator/permissions.php
deleted file mode 100644
index 955c3ff9..00000000
--- a/src/mibew/operator/permissions.php
+++ /dev/null
@@ -1,93 +0,0 @@
-<?php
-/*
- * Copyright 2005-2014 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-// Import namespaces and classes of the core
-use Mibew\Style\PageStyle;
-
-// Initialize libraries
-require_once(dirname(dirname(__FILE__)) . '/libs/init.php');
-
-$operator = check_login();
-csrf_check_token();
-
-$op_id = verify_param("op", "/^\d{1,9}$/");
-$page = array(
-    'opid' => $op_id,
-    'canmodify' => is_capable(CAN_ADMINISTRATE, $operator) ? "1" : "",
-    'errors' => array(),
-);
-
-$op = operator_by_id($op_id);
-
-if (!$op) {
-    $page['errors'][] = getlocal("no_such_operator");
-} elseif (isset($_POST['op'])) {
-
-    if (!is_capable(CAN_ADMINISTRATE, $operator)) {
-        $page['errors'][] = getlocal('page_agent.cannot_modify');
-    }
-
-    $new_permissions = isset($op['iperm']) ? $op['iperm'] : 0;
-
-    foreach (permission_ids() as $perm => $id) {
-        if (verify_param("permissions$id", "/^on$/", "") == "on") {
-            $new_permissions |= (1 << $perm);
-        } else {
-            $new_permissions &= ~(1 << $perm);
-        }
-    }
-
-    if (count($page['errors']) == 0) {
-        update_operator_permissions($op['operatorid'], $new_permissions);
-
-        if ($op_id && $_SESSION[SESSION_PREFIX . "operator"] && $operator['operatorid'] == $op_id) {
-            $_SESSION[SESSION_PREFIX . "operator"]['iperm'] = $new_permissions;
-        }
-        header("Location: " . MIBEW_WEB_ROOT . "/operator/permissions.php?op=" . intval($op_id) . "&stored");
-        exit;
-    }
-}
-
-$page['currentop'] = $op
-    ? get_operator_name($op) . " (" . $op['vclogin'] . ")"
-    : getlocal("not_found");
-
-$checked_permissions = array();
-if ($op) {
-    foreach (permission_ids() as $perm => $id) {
-        if (is_capable($perm, $op)) {
-            $checked_permissions[] = $id;
-        }
-    }
-}
-
-$page['permissionsList'] = array();
-foreach (get_permission_list() as $perm) {
-    $perm['checked'] = in_array($perm['id'], $checked_permissions);
-    $page['permissionsList'][] = $perm;
-}
-
-$page['stored'] = isset($_GET['stored']);
-$page['title'] = getlocal("permissions.title");
-$page['menuid'] = ($operator['operatorid'] == $op_id) ? "profile" : "operators";
-
-$page = array_merge($page, prepare_menu($operator));
-
-$page['tabs'] = setup_operator_settings_tabs($op_id, 3);
-
-$page_style = new PageStyle(PageStyle::getCurrentStyle());
-$page_style->render('permissions', $page);
diff --git a/src/mibew/styles/pages/default/templates_src/server_side/permissions.handlebars b/src/mibew/styles/pages/default/templates_src/server_side/operator_permissions.handlebars
similarity index 96%
rename from src/mibew/styles/pages/default/templates_src/server_side/permissions.handlebars
rename to src/mibew/styles/pages/default/templates_src/server_side/operator_permissions.handlebars
index 04a0289c..94b7b7f0 100644
--- a/src/mibew/styles/pages/default/templates_src/server_side/permissions.handlebars
+++ b/src/mibew/styles/pages/default/templates_src/server_side/operator_permissions.handlebars
@@ -13,7 +13,7 @@
             <div id="formmessage">{{l10n "data.saved"}}</div>
         {{/if}}
 
-        <form name="permissionsForm" method="post" action="{{mibewRoot}}/operator/permissions.php">
+        <form name="permissionsForm" method="post" action="{{mibewRoot}}/operator/operator/{{opid}}/permissions">
             {{csrfTokenInput}}
             <input type="hidden" name="op" value="{{opid}}"/>