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-rw-r--r--interface-definitions/dns-dynamic.xml.in4
1 files changed, 4 insertions, 0 deletions
diff --git a/interface-definitions/dns-dynamic.xml.in b/interface-definitions/dns-dynamic.xml.in
index f089f0e52..388e7c5d2 100644
--- a/interface-definitions/dns-dynamic.xml.in
+++ b/interface-definitions/dns-dynamic.xml.in
@@ -19,6 +19,10 @@
<format>txt</format>
<description>Dynamic DNS service name</description>
</valueHelp>
+ <constraint>
+ #include <include/constraint/alpha-numeric-hyphen-underscore.xml.i>
+ </constraint>
+ <constraintErrorMessage>Dynamic DNS service name must be alphanumeric and can contain hyphens and underscores</constraintErrorMessage>
</properties>
<children>
#include <include/generic-description.xml.i>