From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Wed, 13 Oct 2021 16:06:28 +0000 (+0200)
Subject: dnsdist: Clear the UDP states of TCP-only backends
X-Git-Tag: dnsdist-1.7.0-alpha2~11^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F10844%2Fhead;p=thirdparty%2Fpdns.git

dnsdist: Clear the UDP states of TCP-only backends
---

diff --git a/pdns/dnsdist-lua.cc b/pdns/dnsdist-lua.cc
index 6ef859f0fc..08f179a64a 100644
--- a/pdns/dnsdist-lua.cc
+++ b/pdns/dnsdist-lua.cc
@@ -565,6 +565,11 @@ static void setupLuaConfig(LuaContext& luaCtx, bool client, bool configCheck)
         }
       }
 
+      if (ret->isTCPOnly()) {
+        /* no need to keep the UDP states, then */
+        ret->idStates.clear();
+      }
+
       /* this needs to be done _AFTER_ the order has been set,
          since the server are kept ordered inside the pool */
       auto localPools = g_pools.getCopy();