diff --git a/src/opnsense/mvc/app/models/OPNsense/Proxy/Proxy.xml b/src/opnsense/mvc/app/models/OPNsense/Proxy/Proxy.xml
index f8bee385e..65a9f0f13 100644
--- a/src/opnsense/mvc/app/models/OPNsense/Proxy/Proxy.xml
+++ b/src/opnsense/mvc/app/models/OPNsense/Proxy/Proxy.xml
@@ -1,6 +1,6 @@
 <model>
     <mount>//OPNsense/proxy</mount>
-    <version>1.0.5</version>
+    <version>1.0.6</version>
     <description>
         (squid) proxy settings
     </description>
@@ -243,14 +243,14 @@
                 <user type="TextField">
                     <default>username</default>
                     <Required>Y</Required>
-                    <mask>/^([0-9a-zA-Z\._\-]){1,32}$/u</mask>
-                    <ValidationMessage>Username can be up to 32 signs long. Alphanumeric characters and also dot, dash and underscore allowed.</ValidationMessage>
+                    <mask>/^([0-9a-zA-Z\._\-%@]){1,128}$/u</mask>
+                    <ValidationMessage>Username can be up to 128 signs long. Alphanumeric characters and also dot, dash, percent sign (for URL escapes), at sign and underscore allowed.</ValidationMessage>
                 </user>
                 <password type="TextField">
                     <default>password</default>
                     <Required>Y</Required>
-                    <mask>/^([0-9a-zA-Z\._\-]){1,32}$/u</mask>
-                    <ValidationMessage>Password can be up to 32 signs long. Alphanumeric characters and also dot, dash and underscore allowed.</ValidationMessage>
+                    <mask>/^([0-9a-zA-Z\._\-%]){1,128}$/u</mask>
+                    <ValidationMessage>Password can be up to 128 signs long. Alphanumeric characters and also dot, dash, percent sign (for URL escapes) and underscore allowed.</ValidationMessage>
                 </password>
                 <port type="PortField">
                     <Required>N</Required>