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Date: Mon, 30 Apr 2007 14:17:33 -0400
From: Daniel J Walsh <dwalsh@redhat.com>
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To: "Christopher J. PeBenito" <cpebenito@tresys.com>
CC: selinux@tycho.nsa.gov, Tim Waugh <twaugh@redhat.com>
Subject: Re: cups sends mail, connects to smbd port and binds to ports	600-1023
References: <200704201852.l3KIqJnR027114@redsox.boston.devel.redhat.com> <1177954715.3570.133.camel@sgc>
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Christopher J. PeBenito wrote:
> On Fri, 2007-04-20 at 14:52 -0400, dwalsh@redhat.com wrote:
>   
>> --- nsaserefpolicy/policy/modules/services/cups.te	2007-03-26 10:39:04.000000000 -0400
>> +++ serefpolicy-2.5.12/policy/modules/services/cups.te	2007-04-11 17:07:34.000000000 -0400
>> @@ -151,9 +151,11 @@
>>  corenet_tcp_bind_reserved_port(cupsd_t)
>>  corenet_dontaudit_tcp_bind_all_reserved_ports(cupsd_t)
>>  corenet_tcp_connect_all_ports(cupsd_t)
>> +corenet_tcp_connect_smbd_port(cupsd_t)
>>  corenet_sendrecv_hplip_client_packets(cupsd_t)
>>  corenet_sendrecv_ipp_client_packets(cupsd_t)
>>  corenet_sendrecv_ipp_server_packets(cupsd_t)
>> +corenet_tcp_bind_all_rpc_ports(cupsd_t)
>>     
>
> Any info on why it binds to these ports?
>
>   
Tim, why does cupsd bind to ports 600-1023?
>>  dev_rw_printer(cupsd_t)
>>  dev_read_urand(cupsd_t)
>> @@ -294,6 +296,10 @@
>>  ')
>>  
>>  optional_policy(`
>> +	sendmail_domtrans(cupsd_t)
>> +')
>>     
>
> Wouldn't mta_send_mail() be better?
>   
Yes
>   
>> +
>> +optional_policy(`
>>  	seutil_sigchld_newrole(cupsd_t)
>>  ')
>>     
>  
>   


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