Improve data validation to avoid save a host/subnet or a IPv4 with invalid mask. The reported error is on javascript and only happen on IE8,but this fix will prevent the same issue happening in the future on a different browser.
Related issues
Bug #3449: IE 8 does not respect disabled CIDR field when editing host alias, leading to filter ruleset syntax errors
Help ticket #3449:
Improve data validation to avoid save a host/subnet or a IPv4 with
invalid mask. The reported error is on javascript and only happen on
IE8,but this fix will prevent the same issue happening in the future on
a different browser.