Parameter description
A DTD can contain malicious code than can force an XML processor toexpand the resulting XML contend in a way to overload CPU usage andmemory consumption. This profile parameter is setting the defaultprocessing restriction of iXML for DTDs to avoid a DoS attack by byusing malicious DTDs. Application programs can use the interfaceIF_IXML_ISTREAM to to overwrite the default restriction.

Valid_values
none = no DTD restriction
expansion = expansion of XML is limited
prohibited = DTDs are prohibited