diff --git a/ChangeLog b/ChangeLog
index b4510ef44..571acc491 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2007-09-04  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
+
+	* UI/MainUI/SOGoUserHomePage.m ([SOGoUserHomePage -logoffAction]):
+	new method that resets the authentification cookie.
+
 2007-08-29  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
 	* SoObjects/SOGo/LDAPSource.m ([LDAPSource
diff --git a/UI/MainUI/SOGoUserHomePage.m b/UI/MainUI/SOGoUserHomePage.m
index 410753ec8..7859b90d6 100644
--- a/UI/MainUI/SOGoUserHomePage.m
+++ b/UI/MainUI/SOGoUserHomePage.m
@@ -26,14 +26,16 @@
 #import <Foundation/NSURL.h>
 #import <Foundation/NSUserDefaults.h>
 #import <Foundation/NSValue.h>
+#import <NGObjWeb/WOCookie.h>
 #import <NGObjWeb/WORequest.h>
 #import <NGObjWeb/WOResponse.h>
 #import <NGExtensions/NSCalendarDate+misc.h>
 #import <NGExtensions/NSObject+Logs.h>
 
 #import <Appointments/SOGoFreeBusyObject.h>
-#import <SOGo/SOGoUser.h>
-#import <SOGo/NSCalendarDate+SOGo.h>
+#import <SoObjects/SOGo/SOGoAuthenticator.h>
+#import <SoObjects/SOGo/SOGoUser.h>
+#import <SoObjects/SOGo/NSCalendarDate+SOGo.h>
 #import <SOGoUI/UIxComponent.h>
 
 static NSString *defaultModule = nil;
@@ -198,4 +200,27 @@ static NSString *defaultModule = nil;
   return response;
 }
 
+- (id <WOActionResults>) logoffAction
+{
+  WOResponse *response;
+  NSEnumerator *cookies;
+  WOCookie *cookie;
+  SOGoAuthenticator *auth;
+  id container;
+
+  container = [[self clientObject] container];
+
+  response = [context response];
+  [response setStatus: 302];
+  [response setHeader: [container baseURLInContext: context]
+	    forKey: @"location"];
+  cookies = [[response cookies] objectEnumerator];
+  auth = [[self clientObject] authenticatorInContext: context];
+  cookie = [WOCookie cookieWithName: [auth cookieNameInContext: context]
+		     value: @"logoff"];
+  [response addCookie: cookie];
+
+  return response;
+}
+
 @end