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## <summary>DenyHosts SSH dictionary attack mitigation</summary>
## <desc>
## <p>
## DenyHosts is a script intended to be run by Linux
## system administrators to help thwart SSH server attacks
## (also known as dictionary based attacks and brute force
## attacks).
## </p>
## </desc>
########################################
## <summary>
## Execute a domain transition to run denyhosts.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`denyhosts_domtrans', `
gen_require(`
type denyhosts_t, denyhosts_exec_t;
')
domtrans_pattern($1, denyhosts_exec_t, denyhosts_t)
')
########################################
## <summary>
## Execute denyhost server in the denyhost domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`denyhosts_initrc_domtrans', `
gen_require(`
type denyhosts_initrc_exec_t;
')
init_labeled_script_domtrans($1, denyhosts_initrc_exec_t)
')
########################################
## <summary>
## All of the rules required to administrate
## an denyhosts environment.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## Role allowed access.
## </summary>
## </param>
#
interface(`denyhosts_admin', `
gen_require(`
type denyhosts_t, denyhosts_var_lib_t, denyhosts_var_lock_t;
type denyhosts_var_log_t, denyhosts_initrc_exec_t;
')
allow $1 denyhosts_t:process { ptrace signal_perms };
ps_process_pattern($1, denyhosts_t)
denyhosts_initrc_domtrans($1)
domain_system_change_exemption($1)
role_transition $2 denyhosts_initrc_exec_t system_r;
allow $2 system_r;
files_search_var_lib($1)
admin_pattern($1, denyhosts_var_lib_t)
logging_search_logs($1)
admin_pattern($1, denyhosts_var_log_t)
files_search_locks($1)
admin_pattern($1, denyhosts_var_lock_t)
')
|
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