I am using JDBCRealm to login users. Does any one know a way to invalidate the session (logoff) using JDBCRealm?? Thank's in advance... Pedro Nunes DHV MC - Management Consultants, Lda Rua Dr. Antônio Loureiro Borges, Nº 5, Piso 0 Arquiparque - Miraflores 1495-131 Algés Telefone: 21.4127470 Fax: 21.4127491 DHV MC http://www.dhvmc.pt http://www.dhv.pt http://www.dhvsgps.pt http://www.dhv.com