I am new to grsecurity I am having a problem when I enable RBAC, where grsecurity denies gradm and certain directories such as /etc/grsec are inaccessible, and even /dev/grsec.
gentoo ~ # gradm -E gentoo ~ # gradm -F -L /etc/grsec/learning.log Could not open /dev/grsec. open: Permission denied /var/log/messages contains this... Feb 16 22:40:56 gentoo kernel: [ 659.863486] grsec: From 192.168.0.3: (default:D:/sbin/gradm) use of CAP_DAC_OVERRIDE denied for /sbin/gradm[gradm:3315] uid/euid:0/0 gid/egid:0/0, parent /bin/bash[bash:1876] uid/euid:0/0 gid/egid:0/0 CONFIG_GRKERNSEC=y # CONFIG_GRKERNSEC_CONFIG_AUTO is not set CONFIG_GRKERNSEC_CONFIG_CUSTOM=y CONFIG_GRKERNSEC_TPE_UNTRUSTED_GID=101 CONFIG_GRKERNSEC_KMEM=y CONFIG_GRKERNSEC_IO=y CONFIG_GRKERNSEC_PERF_HARDEN=y CONFIG_GRKERNSEC_RAND_THREADSTACK=y CONFIG_GRKERNSEC_PROC_MEMMAP=y CONFIG_GRKERNSEC_BRUTE=y CONFIG_GRKERNSEC_MODHARDEN=y CONFIG_GRKERNSEC_HIDESYM=y CONFIG_GRKERNSEC_KERN_LOCKOUT=y # CONFIG_GRKERNSEC_NO_RBAC is not set CONFIG_GRKERNSEC_ACL_HIDEKERN=y CONFIG_GRKERNSEC_ACL_MAXTRIES=3 CONFIG_GRKERNSEC_ACL_TIMEOUT=60 CONFIG_GRKERNSEC_PROC=y CONFIG_GRKERNSEC_PROC_USER=y CONFIG_GRKERNSEC_PROC_ADD=y CONFIG_GRKERNSEC_LINK=y # CONFIG_GRKERNSEC_SYMLINKOWN is not set CONFIG_GRKERNSEC_FIFO=y CONFIG_GRKERNSEC_SYSFS_RESTRICT=y # CONFIG_GRKERNSEC_ROFS is not set CONFIG_GRKERNSEC_DEVICE_SIDECHANNEL=y CONFIG_GRKERNSEC_CHROOT=y CONFIG_GRKERNSEC_CHROOT_MOUNT=y CONFIG_GRKERNSEC_CHROOT_DOUBLE=y CONFIG_GRKERNSEC_CHROOT_PIVOT=y CONFIG_GRKERNSEC_CHROOT_CHDIR=y CONFIG_GRKERNSEC_CHROOT_CHMOD=y CONFIG_GRKERNSEC_CHROOT_FCHDIR=y CONFIG_GRKERNSEC_CHROOT_MKNOD=y CONFIG_GRKERNSEC_CHROOT_SHMAT=y CONFIG_GRKERNSEC_CHROOT_UNIX=y CONFIG_GRKERNSEC_CHROOT_FINDTASK=y CONFIG_GRKERNSEC_CHROOT_NICE=y CONFIG_GRKERNSEC_CHROOT_SYSCTL=y CONFIG_GRKERNSEC_CHROOT_CAPS=y CONFIG_GRKERNSEC_AUDIT_GROUP=y CONFIG_GRKERNSEC_AUDIT_GID=100 CONFIG_GRKERNSEC_EXECLOG=y CONFIG_GRKERNSEC_RESLOG=y CONFIG_GRKERNSEC_CHROOT_EXECLOG=y CONFIG_GRKERNSEC_AUDIT_PTRACE=y CONFIG_GRKERNSEC_AUDIT_CHDIR=y CONFIG_GRKERNSEC_AUDIT_MOUNT=y CONFIG_GRKERNSEC_SIGNAL=y CONFIG_GRKERNSEC_FORKFAIL=y CONFIG_GRKERNSEC_TIME=y CONFIG_GRKERNSEC_PROC_IPADDR=y CONFIG_GRKERNSEC_RWXMAP_LOG=y CONFIG_GRKERNSEC_DMESG=y CONFIG_GRKERNSEC_HARDEN_PTRACE=y CONFIG_GRKERNSEC_PTRACE_READEXEC=y # CONFIG_GRKERNSEC_SETXID is not set CONFIG_GRKERNSEC_TPE=y CONFIG_GRKERNSEC_TPE_ALL=y # CONFIG_GRKERNSEC_TPE_INVERT is not set CONFIG_GRKERNSEC_TPE_GID=101 CONFIG_GRKERNSEC_RANDNET=y CONFIG_GRKERNSEC_BLACKHOLE=y CONFIG_GRKERNSEC_NO_SIMULT_CONNECT=y # CONFIG_GRKERNSEC_SOCKET is not set # CONFIG_GRKERNSEC_DENYUSB is not set CONFIG_GRKERNSEC_SYSCTL=y # CONFIG_GRKERNSEC_SYSCTL_DISTRO is not set CONFIG_GRKERNSEC_SYSCTL_ON=y # CONFIG_GRKERNSEC_SELINUX_AVC_LOG_IPADDR is not set CONFIG_GRKERNSEC_FLOODTIME=10 CONFIG_GRKERNSEC_FLOODBURST=6 Help would really be appreciated to get this working, because I'm quite new to this and I have no idea what I've missed. -- www.johntate.org
