Does someone know how it is possible to tell the check_http plugin to add or rewrite some HTTP Header ? Hacking the source would be the final possibility... Thanks, Freddy. -- Freddy Frouin Responsable Supervision Fluxus - British Telecom 30, rue du Château des Rentiers 75013 Paris Tél: +33 (0)1 44 97 70 00 Fax: +33 (0)1 44 97 70 07