# # Notes # # disable_priv_io: Useless if grsec_lock is not activated. # symlinkown_gid: Group http. # romount_protect: Deny rw mounts after boot. # audit_group: Restrict exec/chdir log to group. # exec_logging: Verbose! # chroot_execlog: Verbose! # audit_chdir: Verbose! # dmesg: Restrict dmesg to root. # tpe_gid: Group tpe-trusted. # socket_all_gid: Group socket-deny-all. # socket_client_gid: Group socket-deny-client. # socket_server_gid: Group socket-deny-server. # deny_new_usb: No new USB after boot. # # Memory Protections # #kernel.grsecurity.disable_priv_io = 1 #kernel.grsecurity.deter_bruteforce = 1 # # Filesystem Protections # #kernel.grsecurity.linking_restrictions = 1 #kernel.grsecurity.enforce_symlinksifowner = 1 #kernel.grsecurity.symlinkown_gid = 33 #kernel.grsecurity.fifo_restrictions = 1 #kernel.grsecurity.romount_protect = 0 #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 Auditing # kernel.grsecurity.audit_group = 0 #kernel.grsecurity.audit_gid = 9994 kernel.grsecurity.exec_logging = 0 #kernel.grsecurity.resource_logging = 1 kernel.grsecurity.chroot_execlog = 0 #kernel.grsecurity.audit_ptrace = 1 kernel.grsecurity.audit_chdir = 0 #kernel.grsecurity.audit_mount = 1 #kernel.grsecurity.signal_logging = 1 #kernel.grsecurity.forkfail_logging = 1 #kernel.grsecurity.timechange_logging = 1 #kernel.grsecurity.rwxmap_logging = 1 # # Executable Protections # #kernel.grsecurity.dmesg = 1 #kernel.grsecurity.harden_ptrace = 1 #kernel.grsecurity.ptrace_readexec = 1 #kernel.grsecurity.consistent_setxid = 1 #kernel.grsecurity.harden_ipc = 1 #kernel.grsecurity.tpe = 1 #kernel.grsecurity.tpe_gid = 9999 #kernel.grsecurity.tpe_invert = 1 #kernel.grsecurity.tpe_restrict_all = 1 # # Network Protections # #kernel.grsecurity.ip_blackhole = 1 #kernel.grsecurity.lastack_retries = 4 #kernel.grsecurity.socket_all = 1 #kernel.grsecurity.socket_all_gid = 9995 #kernel.grsecurity.socket_client = 1 #kernel.grsecurity.socket_client_gid = 9996 #kernel.grsecurity.socket_server = 1 #kernel.grsecurity.socket_server_gid = 9997 # # Physical Protections # #kernel.grsecurity.deny_new_usb = 0 # # Restrict grsec sysctl changes after this was set # kernel.grsecurity.grsec_lock = 1