src/app/code/community/StackExchange/LockAttributes/etc/system.xml
<?xml version="1.0" ?>
<config>
<sections>
<catalog>
<groups>
<backend translate="label" module="stackexchange_lockattributes">
<label>Attribute Settings</label>
<sort_order>9999</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
<fields>
<lock_attributes translate="label tooltip comment" module="stackexchange_lockattributes">
<label>Locked Attributes</label>
<frontend_type>multiselect</frontend_type>
<source_model>stackexchange_lockattributes/system_config_source_product_attributes_all</source_model>
<sort_order>10</sort_order>
<show_in_default>1</show_in_default>
<show_in_website>1</show_in_website>
<show_in_store>1</show_in_store>
<comment><![CDATA[Product attributes that can't be edited.]]></comment>
<can_be_empty>1</can_be_empty>
</lock_attributes>
</fields>
</backend>
</groups>
</catalog>
</sections>
</config>