[SYMBOL][A][B][C][D][E][F][G][H][I][K][L][M][N][O][P][Q][R][S][T][U][V][W][X][Z] base_file_read_access macro base_pty_perms macro base_user_domain macro base_user_macros.te file 2nd bdev_t type bdflush operation Bell, David bin_t type binary policy files, creating with checkpolicy command 2nd bind operation blk_file (object security class) 2nd Boolean declarations (bool_def)Booleans setting via SELinux filesystem tuning SELinux via Booleans tab (Apol window) boot parameters and setting initial operating mode boot problems, troubleshooting boot time, disabling SELinux at boot_runtime_t type boot_t type Browse Policy tab (Sepcut window) buffer overflow attacks, detecting with stack canaries