2010-04-20 13:46:20 +00:00
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## <summary>DenyHosts SSH dictionary attack mitigation</summary>
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## <desc>
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## <p>
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## DenyHosts is a script intended to be run by Linux
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## system administrators to help thwart SSH server attacks
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## (also known as dictionary based attacks and brute force
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## attacks).
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## </p>
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## </desc>
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########################################
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## <summary>
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## Execute a domain transition to run denyhosts.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed to transition.
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## </summary>
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## </param>
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#
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interface(`denyhosts_domtrans', `
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gen_require(`
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type denyhosts_t, denyhosts_exec_t;
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')
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domtrans_pattern($1, denyhosts_exec_t, denyhosts_t)
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')
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########################################
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## <summary>
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## Execute denyhost server in the denyhost domain.
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## </summary>
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## <param name="domain">
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## <summary>
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2010-08-05 13:03:19 +00:00
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## Domain allowed to transition.
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2010-04-20 13:46:20 +00:00
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## </summary>
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## </param>
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#
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interface(`denyhosts_initrc_domtrans', `
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gen_require(`
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type denyhosts_initrc_exec_t;
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')
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init_labeled_script_domtrans($1, denyhosts_initrc_exec_t)
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')
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########################################
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## <summary>
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## All of the rules required to administrate
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## an denyhosts environment.
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## </summary>
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## <param name="domain">
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## <summary>
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## Domain allowed access.
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## </summary>
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## </param>
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## <param name="role">
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## <summary>
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## Role allowed access.
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## </summary>
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## </param>
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#
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interface(`denyhosts_admin', `
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gen_require(`
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type denyhosts_t, denyhosts_var_lib_t, denyhosts_var_lock_t;
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type denyhosts_var_log_t, denyhosts_initrc_exec_t;
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')
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allow $1 denyhosts_t:process { ptrace signal_perms };
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ps_process_pattern($1, denyhosts_t)
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denyhosts_initrc_domtrans($1)
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domain_system_change_exemption($1)
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role_transition $2 denyhosts_initrc_exec_t system_r;
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allow $2 system_r;
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files_search_var_lib($1)
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admin_pattern($1, denyhosts_var_lib_t)
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logging_search_logs($1)
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admin_pattern($1, denyhosts_var_log_t)
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files_search_locks($1)
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admin_pattern($1, denyhosts_var_lock_t)
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')
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