## Intrusion Detection and Log Analysis with iptables. ######################################## ## ## Execute a domain transition to run psad. ## ## ## ## Domain allowed to transition. ## ## # interface(`psad_domtrans',` gen_require(` type psad_t, psad_exec_t; ') corecmd_search_bin($1) domtrans_pattern($1, psad_exec_t, psad_t) ') ######################################## ## ## Send generic signals to psad. ## ## ## ## Domain allowed access. ## ## # interface(`psad_signal',` gen_require(` type psad_t; ') allow $1 psad_t:process signal; ') ####################################### ## ## Send null signals to psad. ## ## ## ## Domain allowed access. ## ## # interface(`psad_signull',` gen_require(` type psad_t; ') allow $1 psad_t:process signull; ') ######################################## ## ## Read psad configuration content. ## ## ## ## Domain allowed access. ## ## # interface(`psad_read_config',` gen_require(` type psad_etc_t; ') files_search_etc($1) allow $1 psad_etc_t:dir list_dir_perms; allow $1 psad_etc_t:file read_file_perms; allow $1 psad_etc_t:lnk_file read_lnk_file_perms; ') ######################################## ## ## Create, read, write, and delete ## psad configuration content. ## ## ## ## Domain allowed access. ## ## # interface(`psad_manage_config',` gen_require(` type psad_etc_t; ') files_search_etc($1) manage_dirs_pattern($1, psad_etc_t, psad_etc_t) manage_files_pattern($1, psad_etc_t, psad_etc_t) ') ######################################## ## ## Read psad pid files. ## ## ## ## Domain allowed access. ## ## # interface(`psad_read_pid_files',` gen_require(` type psad_var_run_t; ') files_search_pids($1) read_files_pattern($1, psad_var_run_t, psad_var_run_t) ') ######################################## ## ## Read and write psad PID files. ## ## ## ## Domain allowed access. ## ## # interface(`psad_rw_pid_files',` gen_require(` type psad_var_run_t; ') files_search_pids($1) rw_files_pattern($1, psad_var_run_t, psad_var_run_t) ') ######################################## ## ## Read psad log content. ## ## ## ## Domain allowed access. ## ## ## # interface(`psad_read_log',` gen_require(` type psad_var_log_t; ') logging_search_logs($1) allow $1 psad_var_log_t:dir list_dir_perms; allow $1 psad_var_log_t:file read_file_perms; ') ######################################## ## ## Append psad log files. ## ## ## ## Domain allowed access. ## ## ## # interface(`psad_append_log',` gen_require(` type psad_var_log_t; ') logging_search_logs($1) append_files_pattern($1, psad_var_log_t, psad_var_log_t) ') ######################################## ## ## Allow the specified domain to write to psad's log files. ## ## ## ## Domain allowed access. ## ## ## # interface(`psad_write_log',` gen_require(` type psad_var_log_t; ') logging_search_logs($1) write_files_pattern($1, psad_var_log_t, psad_var_log_t) ') ####################################### ## ## Allow the specified domain to setattr to psad's log files. ## ## ## ## Domain allowed access. ## ## # interface(`psad_setattr_log',` gen_require(` type psad_var_log_t; ') logging_search_logs($1) setattr_files_pattern($1, psad_var_log_t, psad_var_log_t) ') ######################################## ## ## Read and write psad fifo files. ## ## ## ## Domain allowed access. ## ## # interface(`psad_rw_fifo_file',` gen_require(` type psad_var_lib_t; ') files_search_var_lib($1) rw_fifo_files_pattern($1, psad_var_lib_t, psad_var_lib_t) ') ####################################### ## ## Allow setattr to psad fifo files. ## ## ## ## Domain allowed access. ## ## # interface(`psad_setattr_fifo_file',` gen_require(` type psad_t, psad_var_lib_t; ') files_search_var_lib($1) allow $1 psad_var_lib_t:fifo_file setattr; search_dirs_pattern($1, psad_var_lib_t, psad_var_lib_t) ') ####################################### ## ## Read and write psad temporary files. ## ## ## ## Domain allowed access. ## ## # interface(`psad_rw_tmp_files',` gen_require(` type psad_tmp_t; ') files_search_tmp($1) rw_files_pattern($1, psad_tmp_t, psad_tmp_t) ') ######################################## ## ## All of the rules required to ## administrate an psad environment. ## ## ## ## Domain allowed access. ## ## ## ## ## Role allowed access. ## ## ## # interface(`psad_admin',` gen_require(` type psad_t, psad_var_run_t, psad_var_log_t; type psad_initrc_exec_t, psad_var_lib_t, psad_etc_t; type psad_tmp_t; ') allow $1 psad_t:process signal_perms; ps_process_pattern($1, psad_t) tunable_policy(`deny_ptrace',`',` allow $1 psad_t:process ptrace; ') init_labeled_script_domtrans($1, psad_initrc_exec_t) domain_system_change_exemption($1) role_transition $2 psad_initrc_exec_t system_r; allow $2 system_r; files_list_etc($1) admin_pattern($1, psad_etc_t) files_list_pids($1) admin_pattern($1, psad_var_run_t) logging_list_logs($1) admin_pattern($1, psad_var_log_t) files_list_var_lib($1) admin_pattern($1, psad_var_lib_t) files_list_tmp($1) admin_pattern($1, psad_tmp_t) ')