From 95084f7e1c14333c3ee1cb58f496924206001ecd Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Fri, 7 Oct 2011 10:59:02 +0000
Subject: [PATCH] Disabling SSL compression. This saves about 300K per SSL
 connection. The SSL_OP_NO_COMPRESSION option is available since OpenSSL
 1.0.0.

---
 src/event/ngx_event_openssl.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index 259b1d8f2..aa9a4c96a 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -175,6 +175,10 @@ ngx_ssl_create(ngx_ssl_t *ssl, ngx_uint_t protocols, void *data)
         SSL_CTX_set_options(ssl->ctx, ngx_ssl_protocols[protocols >> 1]);
     }
 
+#ifdef SSL_OP_NO_COMPRESSION
+    SSL_CTX_set_options(ssl->ctx, SSL_OP_NO_COMPRESSION);
+#endif
+
     SSL_CTX_set_read_ahead(ssl->ctx, 1);
 
     SSL_CTX_set_info_callback(ssl->ctx, ngx_ssl_info_callback);