diff --git a/Builder/IISMainHandler/build.txt b/Builder/IISMainHandler/build.txt
index f44396c..5ec4258 100644
--- a/Builder/IISMainHandler/build.txt
+++ b/Builder/IISMainHandler/build.txt
@@ -1 +1 @@
-1149
\ No newline at end of file
+1159
\ No newline at end of file
diff --git a/Common/dataobjects/User.cs b/Common/dataobjects/User.cs
index 12c741b..a9b82cf 100644
--- a/Common/dataobjects/User.cs
+++ b/Common/dataobjects/User.cs
@@ -308,6 +308,9 @@ namespace FLocal.Common.dataobjects {
 		}
 
 		public void UpdateData(UserData newData) {
+			if(newData.location.Length > 30) throw new FLocalException("Location is too long");
+			if(newData.title.Length > 30) throw new FLocalException("Title is too long");
+			if(newData.signatureUbb.Length > 1024) throw new FLocalException("Signature is too long");
 			ChangeSetUtil.ApplyChanges(
 				new UpdateChange(
 					TableSpec.instance,
diff --git a/IISMainHandler/handlers/request/UserDataHandler.cs b/IISMainHandler/handlers/request/UserDataHandler.cs
index 6e51d5a..ed7756d 100644
--- a/IISMainHandler/handlers/request/UserDataHandler.cs
+++ b/IISMainHandler/handlers/request/UserDataHandler.cs
@@ -18,10 +18,10 @@ namespace FLocal.IISHandler.handlers.request {
 		protected override XElement[] Do(WebContext context) {
 
 			User.UserData newData = new User.UserData {
-				location = context.httprequest.Form["location"],
-				title = context.httprequest.Form["title"],
-				signatureUbb = context.httprequest.Form["signature"],
-				biographyUbb = context.httprequest.Form["biography"],
+				location = context.httprequest.Form["location"].Trim(),
+				title = context.httprequest.Form["title"].Trim(),
+				signatureUbb = context.httprequest.Form["signature"].Trim(),
+				biographyUbb = context.httprequest.Form["biography"].Trim(),
 			};
 
 			context.account.user.UpdateData(newData);