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-rw-r--r--interface-definitions/dhcp-server.xml.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/interface-definitions/dhcp-server.xml.in b/interface-definitions/dhcp-server.xml.in
index 1830cc1ad..583de7ba9 100644
--- a/interface-definitions/dhcp-server.xml.in
+++ b/interface-definitions/dhcp-server.xml.in
@@ -129,7 +129,7 @@
<properties>
<help>Bootstrap file name</help>
<constraint>
- <regex>[-_a-zA-Z0-9./]+</regex>
+ <regex>[[:ascii:]]{1,253}</regex>
</constraint>
</properties>
</leafNode>