Hi folks, I've found that in squidguard the netgroup support (against NIS netgroup) should be available. See here: https://github.com/andihofmeister/squidGuard Best regards -- Giorgio Pioda - Sysadmin SPSE-Tenero Cell +41 79 629 20 63 Tel +41 58 468 62 48 Fax +41 58 468 61 98