Override the default status code if not suitable to redirect action

Issue #1850

CHANGES

@@ -1,6 +1,8 @@
 v3.0.3 - YYYY-MMM-DD (to be released)
 -------------------------------------
 
+ - Override the default status code if not suitable to redirect action
+   [Issue #1850 - @zimmerle, @victorhora]
  - parser: Fix the support for CRLF configuration files
    [Issue #1945 - @zimmerle, @defanator, @kjakub]
  - Organizes the server logs

src/actions/disruptive/redirect.cc

@@ -38,7 +38,8 @@ bool Redirect::evaluate(Rule *rule, Transaction *transaction,
     std::shared_ptr<RuleMessage> rm) {
     std::string m_urlExpanded(m_string->evaluate(transaction));
     /* if it was changed before, lets keep it. */
-    if (transaction->m_it.status == 200) {
+    if (transaction->m_it.status == 200
+        || (!(transaction->m_it.status <= 307 && transaction->m_it.status >= 301))) {
         transaction->m_it.status = m_status;
     }