From b4104cf0a36b3c0c449ce24db59ee07804c135f4 Mon Sep 17 00:00:00 2001
From: kulikov-a <36099472+kulikov-a@users.noreply.github.com>
Date: Thu, 24 Dec 2020 18:06:02 +0300
Subject: [PATCH] QueryFilter.php: allow underscore in filter string (#4548)

---
 .../mvc/app/library/OPNsense/Base/Filters/QueryFilter.php       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/opnsense/mvc/app/library/OPNsense/Base/Filters/QueryFilter.php b/src/opnsense/mvc/app/library/OPNsense/Base/Filters/QueryFilter.php
index 269c78172..52ce7f520 100644
--- a/src/opnsense/mvc/app/library/OPNsense/Base/Filters/QueryFilter.php
+++ b/src/opnsense/mvc/app/library/OPNsense/Base/Filters/QueryFilter.php
@@ -45,6 +45,6 @@ class QueryFilter
      */
     public function filter($value)
     {
-        return preg_replace("/[^0-9,a-z,A-Z, ,*,\-,.,\#]/", "", $value);
+        return preg_replace("/[^0-9,a-z,A-Z, ,*,\-,_,.,\#]/", "", $value);
     }
 }