diff --git a/.gitignore b/.gitignore
index aa5bac14d030e..97cc35437d998 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# hugo artifacts
+.hugo_build.lock
+
 # Eclipse artifacts
 .project
 .pydevproject
@@ -34,4 +37,4 @@ out/**
 go/**
 
 # archived site version
-archived_version
\ No newline at end of file
+archived_version
diff --git a/config.toml b/config.toml
index c5db71804e480..ca2a65004a0d0 100644
--- a/config.toml
+++ b/config.toml
@@ -274,4 +274,8 @@ disableAliases = true
     weight = 5
 
 [permalinks]
-  case-studies = "/:slug"
\ No newline at end of file
+  case-studies = "/:slug"
+
+[security]
+  [security.funcs]
+    getenv = ['^HUGO_','URL']
diff --git a/scripts/lint_site.sh b/scripts/lint_site.sh
index 4df7d07df2f3d..a3360d3452844 100755
--- a/scripts/lint_site.sh
+++ b/scripts/lint_site.sh
@@ -107,7 +107,7 @@ SKIP_LANGS=( en zh pt-br )
 for lang in $LANGS; do
     for i in "${!SKIP_LANGS[@]}"; do
        if [[ "${SKIP_LANGS[$i]}" = "${lang}" ]]; then
-           unset SKIP_LANGS["${i}"]
+           unset 'SKIP_LANGS[${i}]'
        fi
     done
     SKIP_LANGS=( "${SKIP_LANGS[@]}" )