close server if parsing of header field failed

Seen in #828011 if we fail to parse a header field like Last-Modified we
end up interpreting the data as response header for coming requests in
case we don't rotate to a new server in DNS rotation.

(cherry picked from commit cc0a4c82b3c132abba9b9ec35fd61bc8b45a1b80)

1 files changed, 1 insertions, 0 deletions

diff --git a/methods/server.cc b/methods/server.cc
index a46b40936..63c7486dd 100644
--- a/methods/server.cc
+++ b/methods/server.cc
@@ -527,6 +527,7 @@ int ServerMethod::Loop()
 	 {
 	    _error->Error(_("Bad header data"));
 	    Fail(true);
+	    Server->Close();
 	    RotateDNS();
 	    continue;
 	 }