diff --git a/src/app/components/group-details/add-user-to-group-dialog/add-user-to-group-dialog.component.ts b/src/app/components/group-details/add-user-to-group-dialog/add-user-to-group-dialog.component.ts
index 2a83777a..3f1483cb 100644
--- a/src/app/components/group-details/add-user-to-group-dialog/add-user-to-group-dialog.component.ts
+++ b/src/app/components/group-details/add-user-to-group-dialog/add-user-to-group-dialog.component.ts
@@ -1,3 +1,15 @@
+/*
+* Software Name : GNS3 Web UI
+* Version: 3
+* SPDX-FileCopyrightText: Copyright (c) 2022 Orange Business Services
+* SPDX-License-Identifier: GPL-3.0-or-later
+*
+* This software is distributed under the GPL-3.0 or any later version,
+* the text of which is available at https://www.gnu.org/licenses/gpl-3.0.txt
+* or see the "LICENSE" file for more details.
+*
+* Author: Sylvain MATHIEU, Elise LEBEAU
+*/
 import {Component, Inject, OnInit} from '@angular/core';
 import {MAT_DIALOG_DATA, MatDialogRef} from "@angular/material/dialog";
 import {UserService} from "@services/user.service";
diff --git a/src/app/components/group-details/group-details.component.ts b/src/app/components/group-details/group-details.component.ts
index 4115c571..d773634a 100644
--- a/src/app/components/group-details/group-details.component.ts
+++ b/src/app/components/group-details/group-details.component.ts
@@ -1,3 +1,15 @@
+/*
+* Software Name : GNS3 Web UI
+* Version: 3
+* SPDX-FileCopyrightText: Copyright (c) 2022 Orange Business Services
+* SPDX-License-Identifier: GPL-3.0-or-later
+*
+* This software is distributed under the GPL-3.0 or any later version,
+* the text of which is available at https://www.gnu.org/licenses/gpl-3.0.txt
+* or see the "LICENSE" file for more details.
+*
+* Author: Sylvain MATHIEU, Elise LEBEAU
+*/
 import {Component, Inject, OnInit} from '@angular/core';
 import {ActivatedRoute, Router} from "@angular/router";
 import {Server} from "@models/server";
diff --git a/src/app/components/group-details/remove-user-to-group-dialog/remove-user-to-group-dialog.component.ts b/src/app/components/group-details/remove-user-to-group-dialog/remove-user-to-group-dialog.component.ts
index 089389d0..ef70a89f 100644
--- a/src/app/components/group-details/remove-user-to-group-dialog/remove-user-to-group-dialog.component.ts
+++ b/src/app/components/group-details/remove-user-to-group-dialog/remove-user-to-group-dialog.component.ts
@@ -1,3 +1,15 @@
+/*
+* Software Name : GNS3 Web UI
+* Version: 3
+* SPDX-FileCopyrightText: Copyright (c) 2022 Orange Business Services
+* SPDX-License-Identifier: GPL-3.0-or-later
+*
+* This software is distributed under the GPL-3.0 or any later version,
+* the text of which is available at https://www.gnu.org/licenses/gpl-3.0.txt
+* or see the "LICENSE" file for more details.
+*
+* Author: Sylvain MATHIEU, Elise LEBEAU
+*/
 import {Component, Inject, OnInit} from '@angular/core';
 import {MAT_DIALOG_DATA, MatDialogRef} from "@angular/material/dialog";
 import {User} from "@models/users/user";
diff --git a/src/app/models/permission.ts b/src/app/models/permission.ts
new file mode 100644
index 00000000..4462cd33
--- /dev/null
+++ b/src/app/models/permission.ts
@@ -0,0 +1,23 @@
+export enum Methods {
+  GET = 'GET',
+  HEAD = 'HEAD',
+  POST = 'POST',
+  PATCH = 'PATCH',
+  PUT = 'PUT',
+  DELETE = 'DELETE'
+}
+
+export enum PermissionActions {
+  ALLOW = 'ALLOW',
+  DENY = 'DENY'
+}
+
+export interface Permission {
+  methods: Methods[],
+  path: string,
+  action: PermissionActions,
+  description: string,
+  created_at: string,
+  updated_at: string,
+  permission_id: string
+}
diff --git a/src/app/resolvers/group-details.resolver.ts b/src/app/resolvers/group-details.resolver.ts
index ae1c5fc7..89049766 100644
--- a/src/app/resolvers/group-details.resolver.ts
+++ b/src/app/resolvers/group-details.resolver.ts
@@ -1,3 +1,15 @@
+/*
+* Software Name : GNS3 Web UI
+* Version: 3
+* SPDX-FileCopyrightText: Copyright (c) 2022 Orange Business Services
+* SPDX-License-Identifier: GPL-3.0-or-later
+*
+* This software is distributed under the GPL-3.0 or any later version,
+* the text of which is available at https://www.gnu.org/licenses/gpl-3.0.txt
+* or see the "LICENSE" file for more details.
+*
+* Author: Sylvain MATHIEU, Elise LEBEAU
+*/
 import { Injectable } from '@angular/core';
 import {
   Router, Resolve,
diff --git a/src/app/services/permissions.service.spec.ts b/src/app/services/permissions.service.spec.ts
new file mode 100644
index 00000000..f5972c66
--- /dev/null
+++ b/src/app/services/permissions.service.spec.ts
@@ -0,0 +1,16 @@
+import { TestBed } from '@angular/core/testing';
+
+import { PermissionsService } from './permissions.service';
+
+describe('PermissionsService', () => {
+  let service: PermissionsService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(PermissionsService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});
diff --git a/src/app/services/permissions.service.ts b/src/app/services/permissions.service.ts
new file mode 100644
index 00000000..0de4e409
--- /dev/null
+++ b/src/app/services/permissions.service.ts
@@ -0,0 +1,29 @@
+import { Injectable } from '@angular/core';
+import {HttpServer} from "./http-server.service";
+import {Server} from "../models/server";
+import {Permission} from "../models/permission";
+import {Observable} from "rxjs/Rx";
+
+@Injectable({
+  providedIn: 'root'
+})
+export class PermissionsService {
+
+  constructor(private httpServer: HttpServer) { }
+
+  list(server: Server) {
+    return this.httpServer.get<Permission[]>(server, '/permissions');
+  }
+
+  add(server: Server, permission: Permission): Observable<Permission> {
+    return this.httpServer.post<Permission>(server, '/permissions', permission);
+  }
+
+  update(server: Server, permission: Permission): Observable<Permission> {
+    return this.httpServer.put<Permission>(server, `/permissions/${permission.permission_id}`, permission);
+  }
+
+  delete(server: Server, permission_id: string) {
+    return this.httpServer.delete(server, `/permissions/${permission_id}`);
+  }
+}