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Installation et sécurisation d'une station Debian 3.0 stable

15/05/2004




ANNEXE 12. Configuration Sysctl de GrSecurity


ANNEXE 12. Configuration Sysctl de GrSecurity


/etc/sysctl.conf.grsecurity :

### Restrictions Grsecurity # Mettez a jour ce script selon vos besoins (au moins pour les gids) puis testez # le avec sysctl -p /etc/sysctl.conf.grsecurity # Protection du systeme de fichiers kernel/grsecurity/chroot_caps=1 kernel/grsecurity/chroot_deny_chmod=1 kernel/grsecurity/chroot_deny_chroot=1 kernel/grsecurity/chroot_deny_fchdir=1 kernel/grsecurity/chroot_deny_mknod=1 kernel/grsecurity/chroot_deny_mount=1 kernel/grsecurity/chroot_deny_pivot=1 kernel/grsecurity/chroot_deny_shmat=1 kernel/grsecurity/chroot_deny_sysctl=1 kernel/grsecurity/chroot_deny_unix=1 kernel/grsecurity/chroot_enforce_chdir=1 kernel/grsecurity/chroot_findtask=1 kernel/grsecurity/chroot_restrict_nice=1 kernel/grsecurity/fifo_restrictions=1 kernel/grsecurity/linking_restrictions=1 # Protection des executables kernel/grsecurity/dmesg=1 kernel/grsecurity/execve_limiting=1 # Execution dans des repertoires WR_ONLY_FOR_ROOT ? kernel/grsecurity/tpe=1 # Pour ce groupe kernel/grsecurity/tpe_gid=1006 # Pour tous les autres : non WR groupe/tlm et WR_ONLY_FOR_ROOT ? kernel/grsecurity/tpe_restrict_all=0 kernel/grsecurity/rand_pids=1 # Protection reseau kernel/grsecurity/rand_ip_ids=1 kernel/grsecurity/rand_isns=1 kernel/grsecurity/rand_rpc=1 kernel/grsecurity/rand_tcp_src_ports=1 kernel/grsecurity/socket_all=1 # Pas de serveur / Pas de connect ? kernel/grsecurity/socket_all_gid=1007 # Pour ce groupe kernel/grsecurity/socket_client=1 # Pas de connect ? kernel/grsecurity/socket_client_gid=1008 # Pour ce groupe kernel/grsecurity/socket_server=1 # Pas de serveur ? kernel/grsecurity/socket_server_gid=1009 # Pour ce groupe # Remontee d'informations via les logs du kernel kernel/grsecurity/audit_group=1 # Activation ? kernel/grsecurity/audit_gid=1010 # Pour ce groupe kernel/grsecurity/exec_logging=1 kernel/grsecurity/audit_chdir=1 kernel/grsecurity/audit_mount=1 kernel/grsecurity/audit_ipc=1 kernel/grsecurity/signal_logging=0 kernel/grsecurity/forkfail_logging=1 kernel/grsecurity/timechange_logging=1 kernel/grsecurity/chroot_execlog=1 # Activations des listes de controle d'acces kernel/grsecurity/acl=1 # Activation de la securite (Attention a ce que vous faites !!!) kernel/grsecurity/grsec_lock=0


Copyright (c) 2003 Simon Castro, scastro [ at ] entreelibre.com.

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