From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Tue, 21 Jul 2015 14:03:31 +0000 (+0100)
Subject: Add workaround for surbl DNS flood.
X-Git-Tag: 0.9.10~3
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=2bbb76efdb6fa105d7a9dd9351048ac24c0e4af4;p=rspamd.git

Add workaround for surbl DNS flood.
---

diff --git a/src/plugins/surbl.c b/src/plugins/surbl.c
index 66cc2da2b..10fa225ca 100644
--- a/src/plugins/surbl.c
+++ b/src/plugins/surbl.c
@@ -827,6 +827,10 @@ make_surbl_requests (struct rspamd_url *url, struct rspamd_task *task,
 	f.begin = url->host;
 	f.len = url->hostlen;
 
+	if (task->dns_requests >= task->cfg->dns_max_requests) {
+		return;
+	}
+
 	if ((surbl_req = format_surbl_request (task->task_pool, &f, suffix, TRUE,
 		&err, forced, tree, url)) != NULL) {
 		param =