diff -ur nginx-1.11.7/auto/lib/openssl/conf nginx-1.11.7-wolfssl/auto/lib/openssl/conf
--- nginx-1.11.7/auto/lib/openssl/conf	2016-12-14 01:21:24.000000000 +1000
+++ nginx-1.11.7-wolfssl/auto/lib/openssl/conf	2017-01-17 16:09:53.864946344 +1000
@@ -53,8 +53,33 @@
         ngx_feature_path=
         ngx_feature_libs="-lssl -lcrypto $NGX_LIBDL"
         ngx_feature_test="SSL_CTX_set_options(NULL, 0)"
+
+        if [ $WOLFSSL != NONE ]; then
+            ngx_feature="wolfSSL library in $WOLFSSL"
+            ngx_feature_path="$WOLFSSL/include/wolfssl"
+
+            if [ $NGX_RPATH = YES ]; then
+                ngx_feature_libs="-R$WOLFSSL/lib -L$WOLFSSL/lib -lwolfssl $NGX_LIBDL"
+            else
+                ngx_feature_libs="-L$WOLFSSL/lib -lwolfssl $NGX_LIBDL"
+            fi
+
+            CORE_INCS="$CORE_INCS $WOLFSSL/include/wolfssl"
+            CFLAGS="$CFLAGS -DWOLFSSL_NGINX"
+        fi
+
         . auto/feature
 
+        if [ $WOLFSSL != NONE -a $ngx_found = no ]; then
+cat << END
+
+$0: error: Could not find wolfSSL at $WOLFSSL/include/wolfssl.
+SSL modules require the wolfSSL library.
+
+END
+            exit 1
+        fi
+
         if [ $ngx_found = no ]; then
 
             # FreeBSD port
diff -ur nginx-1.11.7/auto/options nginx-1.11.7-wolfssl/auto/options
--- nginx-1.11.7/auto/options	2016-12-14 01:21:24.000000000 +1000
+++ nginx-1.11.7-wolfssl/auto/options	2017-01-17 16:09:53.864946344 +1000
@@ -141,6 +141,7 @@
 PCRE_CONF_OPT=
 PCRE_JIT=NO
 
+WOLFSSL=NONE
 USE_OPENSSL=NO
 OPENSSL=NONE
 
@@ -345,6 +346,7 @@
         --with-pcre-opt=*)               PCRE_OPT="$value"          ;;
         --with-pcre-jit)                 PCRE_JIT=YES               ;;
 
+        --with-wolfssl=*)                WOLFSSL="$value"           ;;
         --with-openssl=*)                OPENSSL="$value"           ;;
         --with-openssl-opt=*)            OPENSSL_OPT="$value"       ;;
 
diff -ur nginx-1.11.7/src/event/ngx_event_openssl.c nginx-1.11.7-wolfssl/src/event/ngx_event_openssl.c
--- nginx-1.11.7/src/event/ngx_event_openssl.c	2016-12-14 01:21:24.000000000 +1000
+++ nginx-1.11.7-wolfssl/src/event/ngx_event_openssl.c	2017-01-18 16:30:54.859646118 +1000
@@ -330,6 +330,10 @@
 
     SSL_CTX_set_info_callback(ssl->ctx, ngx_ssl_info_callback);
 
+#ifdef WOLFSSL_NGINX
+    SSL_CTX_set_verify(ssl->ctx, SSL_VERIFY_NONE, NULL);
+#endif
+
     return NGX_OK;
 }
 
diff -ur nginx-1.11.7/src/event/ngx_event_openssl_stapling.c nginx-1.11.7-wolfssl/src/event/ngx_event_openssl_stapling.c
--- nginx-1.11.7/src/event/ngx_event_openssl_stapling.c	2016-12-14 01:21:24.000000000 +1000
+++ nginx-1.11.7-wolfssl/src/event/ngx_event_openssl_stapling.c	2017-01-17 16:09:53.864946344 +1000
@@ -313,7 +313,9 @@
     for (i = 0; i < n; i++) {
         issuer = sk_X509_value(chain, i);
         if (X509_check_issued(issuer, cert) == X509_V_OK) {
-#if OPENSSL_VERSION_NUMBER >= 0x10100001L
+#ifdef WOLFSSL_NGINX
+            issuer = X509_dup(issuer);
+#elif OPENSSL_VERSION_NUMBER >= 0x10100001L
             X509_up_ref(issuer);
 #else
             CRYPTO_add(&issuer->references, 1, CRYPTO_LOCK_X509);
diff -ur nginx-1.11.7/src/http/modules/ngx_http_ssl_module.c nginx-1.11.7-wolfssl/src/http/modules/ngx_http_ssl_module.c
--- nginx-1.11.7/src/http/modules/ngx_http_ssl_module.c	2016-12-14 01:21:24.000000000 +1000
+++ nginx-1.11.7-wolfssl/src/http/modules/ngx_http_ssl_module.c	2017-01-17 16:09:53.864946344 +1000
@@ -14,7 +14,11 @@
     ngx_pool_t *pool, ngx_str_t *s);
 
 
+#ifndef WOLFSSL_NGINX
 #define NGX_DEFAULT_CIPHERS     "HIGH:!aNULL:!MD5"
+#else
+#define NGX_DEFAULT_CIPHERS     "ALL"
+#endif
 #define NGX_DEFAULT_ECDH_CURVE  "auto"
 
 #define NGX_HTTP_NPN_ADVERTISE  "\x08http/1.1"
diff -ur nginx-1.11.7/src/mail/ngx_mail_ssl_module.c nginx-1.11.7-wolfssl/src/mail/ngx_mail_ssl_module.c
--- nginx-1.11.7/src/mail/ngx_mail_ssl_module.c	2016-12-14 01:21:25.000000000 +1000
+++ nginx-1.11.7-wolfssl/src/mail/ngx_mail_ssl_module.c	2017-01-17 16:09:53.864946344 +1000
@@ -10,7 +10,11 @@
 #include <ngx_mail.h>
 
 
+#ifndef WOLFSSL_NGINX
 #define NGX_DEFAULT_CIPHERS     "HIGH:!aNULL:!MD5"
+#else
+#define NGX_DEFAULT_CIPHERS     "ALL"
+#endif
 #define NGX_DEFAULT_ECDH_CURVE  "auto"
 
 
diff -ur nginx-1.11.7/src/stream/ngx_stream_ssl_module.c nginx-1.11.7-wolfssl/src/stream/ngx_stream_ssl_module.c
--- nginx-1.11.7/src/stream/ngx_stream_ssl_module.c	2016-12-14 01:21:25.000000000 +1000
+++ nginx-1.11.7-wolfssl/src/stream/ngx_stream_ssl_module.c	2017-01-17 16:09:53.864946344 +1000
@@ -14,7 +14,11 @@
     ngx_pool_t *pool, ngx_str_t *s);
 
 
+#ifndef WOLFSSL_NGINX
 #define NGX_DEFAULT_CIPHERS     "HIGH:!aNULL:!MD5"
+#else
+#define NGX_DEFAULT_CIPHERS     "ALL"
+#endif
 #define NGX_DEFAULT_ECDH_CURVE  "auto"