[Fix] Remove hop-by-hop headers in proxy

Issue: #1973

diff --git a/src/rspamd_proxy.c b/src/rspamd_proxy.c
index 1a05d86315cc17d9ec4fc48cf999420c16a2a352..75002fef8ed48d31a084cbf9b3de536df205b8fd 100644 (file)
--- a/src/rspamd_proxy.c
+++ b/src/rspamd_proxy.c
@@ -1922,6 +1922,9 @@ proxy_client_finish_handler (struct rspamd_http_connection *conn,
                                session->client_conn);
                session->shmem_ref = rspamd_http_message_shmem_ref (session->client_message);
                rspamd_http_message_remove_header (msg, "Content-Length");
+               rspamd_http_message_remove_header (msg, "Transfer-Encoding");
+               rspamd_http_message_remove_header (msg, "Keep-Alive");
+               rspamd_http_message_remove_header (msg, "Connection");
                rspamd_http_message_remove_header (msg, "Key");
 
                proxy_open_mirror_connections (session);
@@ -1941,6 +1944,9 @@ err:
        rspamd_http_connection_steal_msg (session->client_conn);
        rspamd_http_message_remove_header (msg, "Content-Length");
        rspamd_http_message_remove_header (msg, "Key");
+       rspamd_http_message_remove_header (msg, "Transfer-Encoding");
+       rspamd_http_message_remove_header (msg, "Keep-Alive");
+       rspamd_http_message_remove_header (msg, "Connection");
        rspamd_http_connection_reset (session->client_conn);
        proxy_client_write_error (session, 404, "Backend not found");