diff --git a/doc/README.md b/doc/README.md
index 4d73dbb..318cca3 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -22,3 +22,5 @@
   * Notify
     * [on_playlist](directives.md#on_playlist)
     * [notify_send_redirect](directives.md#notify_send_redirect)
+  * Client Caching
+  	* [hls_allow_client_cache](directives.md#hls_allow_client_cache)
diff --git a/doc/directives.md b/doc/directives.md
index 5f46c39..e80cf13 100644
--- a/doc/directives.md
+++ b/doc/directives.md
@@ -98,6 +98,7 @@ Table of Contents
     * [hls_fragment_slicing](#hls_fragment_slicing)
     * [hls_variant](#hls_variant)
     * [hls_type](#hls_type)
+    * [hls_allow_client_cache](#hls_allow_client_cache)
     * [hls_keys](#hls_keys)
     * [hls_key_path](#hls_key_path)
     * [hls_key_url](#hls_key_url)
@@ -1415,6 +1416,19 @@ is enough for the whole event. Default is `live`;
 hls_type event;
 ```
 
+#### hls_allow_client_cache
+Syntax: `hls_allow_client_cache enabled|disabled`  
+Context: rtmp, server, application  
+
+Enables (or disables) client cache with `#EXT-X-ALLOW-CACHE` playlist
+directive.  Setting value to enabled allows supported clients to
+cache segments in a live DVR manner.  Setting value to disabled explicitly 
+tells supported clients to never cache segments.
+Unset by default (playlist directive will be absent).
+```sh
+hls_allow_client_cache enabled;
+```
+
 #### hls_keys
 Syntax: `hls_keys on|off`  
 Context: rtmp, server, application  
diff --git a/hls/ngx_rtmp_hls_module.c b/hls/ngx_rtmp_hls_module.c
index a6888e8..d018811 100644
--- a/hls/ngx_rtmp_hls_module.c
+++ b/hls/ngx_rtmp_hls_module.c
@@ -110,6 +110,7 @@ typedef struct {
     ngx_msec_t                          max_audio_delay;
     size_t                              audio_buffer_size;
     ngx_flag_t                          cleanup;
+    ngx_uint_t                          allow_client_cache;
     ngx_array_t                        *variant;
     ngx_str_t                           base_url;
     ngx_int_t                           granularity;
@@ -137,6 +138,9 @@ typedef struct {
 #define NGX_RTMP_HLS_TYPE_LIVE          1
 #define NGX_RTMP_HLS_TYPE_EVENT         2
 
+#define NGX_RTMP_HLS_CACHE_DISABLED     1
+#define NGX_RTMP_HLS_CACHE_ENABLED      2
+
 
 static ngx_conf_enum_t                  ngx_rtmp_hls_naming_slots[] = {
     { ngx_string("sequential"),         NGX_RTMP_HLS_NAMING_SEQUENTIAL },
@@ -167,6 +171,11 @@ static ngx_conf_enum_t                  ngx_rtmp_hls_type_slots[] = {
     { ngx_null_string,                  0 }
 };
 
+static ngx_conf_enum_t                  ngx_rtmp_hls_cache[] = {
+    { ngx_string("enabled"),            NGX_RTMP_HLS_CACHE_ENABLED  },
+    { ngx_string("disabled"),           NGX_RTMP_HLS_CACHE_DISABLED },
+    { ngx_null_string,                  0 }
+};
 
 static ngx_command_t ngx_rtmp_hls_commands[] = {
 
@@ -282,6 +291,13 @@ static ngx_command_t ngx_rtmp_hls_commands[] = {
       offsetof(ngx_rtmp_hls_app_conf_t, cleanup),
       NULL },
 
+    { ngx_string("hls_allow_client_cache"),
+      NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_enum_slot,
+      NGX_RTMP_APP_CONF_OFFSET,
+      offsetof(ngx_rtmp_hls_app_conf_t, allow_client_cache),
+      &ngx_rtmp_hls_cache },       
+
     { ngx_string("hls_variant"),
       NGX_RTMP_MAIN_CONF|NGX_RTMP_SRV_CONF|NGX_RTMP_APP_CONF|NGX_CONF_1MORE,
       ngx_rtmp_hls_variant,
@@ -564,6 +580,12 @@ ngx_rtmp_hls_write_playlist(ngx_rtmp_session_t *s)
         p = ngx_slprintf(p, end, "#EXT-X-PLAYLIST-TYPE:EVENT\n");
     }
 
+    if (hacf->allow_client_cache == NGX_RTMP_HLS_CACHE_ENABLED) {
+        p = ngx_slprintf(p, end, "#EXT-X-ALLOW-CACHE:1\n");
+    } else if (hacf->allow_client_cache == NGX_RTMP_HLS_CACHE_DISABLED) {
+        p = ngx_slprintf(p, end, "#EXT-X-ALLOW-CACHE:0\n");
+    }
+
     n = ngx_write_fd(fd, buffer, p - buffer);
     if (n < 0) {
         goto write_err;
@@ -2440,6 +2462,7 @@ ngx_rtmp_hls_create_app_conf(ngx_conf_t *cf)
     conf->max_audio_delay = NGX_CONF_UNSET_MSEC;
     conf->audio_buffer_size = NGX_CONF_UNSET_SIZE;
     conf->cleanup = NGX_CONF_UNSET;
+    conf->allow_client_cache = NGX_CONF_UNSET_UINT;
     conf->granularity = NGX_CONF_UNSET;
     conf->keys = NGX_CONF_UNSET;
     conf->frags_per_key = NGX_CONF_UNSET_UINT;