From: Evan Hunt <each@isc.org>
Date: Wed, 5 Apr 2023 21:05:46 +0000 (-0700)
Subject: check for invalid protocol when dispatch fails
X-Git-Tag: v9.19.13~20^2~1
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=2269a3e6fbcc5708c15aedd396df2a77a60f58bc;p=thirdparty%2Fbind9.git

check for invalid protocol when dispatch fails

treat ISC_R_INVALIDPROTO as a networking error when it occurs.
---

diff --git a/lib/dns/resolver.c b/lib/dns/resolver.c
index e472c6e78ea..2564f09de08 100644
--- a/lib/dns/resolver.c
+++ b/lib/dns/resolver.c
@@ -7791,6 +7791,7 @@ rctx_dispfail(respctx_t *rctx) {
 	case ISC_R_NETUNREACH:
 	case ISC_R_CONNREFUSED:
 	case ISC_R_CONNECTIONRESET:
+	case ISC_R_INVALIDPROTO:
 	case ISC_R_CANCELED:
 	case ISC_R_SHUTTINGDOWN:
 		rctx->broken_server = rctx->result;