diff --git a/ngx_rtmp_control_module.c b/ngx_rtmp_control_module.c
index ec10610..5fc4687 100644
--- a/ngx_rtmp_control_module.c
+++ b/ngx_rtmp_control_module.c
@@ -259,7 +259,7 @@ static const char *
 ngx_rtmp_control_walk_session(ngx_http_request_t *r,
     ngx_rtmp_live_ctx_t *lctx)
 {
-    ngx_str_t                addr, *paddr;
+    ngx_str_t                addr, *paddr, clientid;
     ngx_rtmp_session_t      *s, **ss;
     ngx_rtmp_control_ctx_t  *ctx;
 
@@ -280,6 +280,17 @@ ngx_rtmp_control_walk_session(ngx_http_request_t *r,
         }
     }
 
+    if (ngx_http_arg(r, (u_char *) "clientid", sizeof("clientid") - 1,
+                     &clientid)
+        == NGX_OK)
+    {
+        if (s->connection->number !=
+            (ngx_uint_t) ngx_atoi(clientid.data, clientid.len))
+        {
+            return NGX_CONF_OK;
+        }
+    }
+
     ctx = ngx_http_get_module_ctx(r, ngx_rtmp_control_module);
 
     switch (ctx->filter) {
diff --git a/ngx_rtmp_netcall_module.c b/ngx_rtmp_netcall_module.c
index a559eb4..f772c72 100644
--- a/ngx_rtmp_netcall_module.c
+++ b/ngx_rtmp_netcall_module.c
@@ -585,7 +585,8 @@ ngx_rtmp_netcall_http_format_session(ngx_rtmp_session_t *s, ngx_pool_t *pool)
             sizeof("&swfurl=") - 1 + s->swf_url.len * 3 +
             sizeof("&tcurl=") - 1 + s->tc_url.len * 3 +
             sizeof("&pageurl=") - 1 + s->page_url.len * 3 +
-            sizeof("&addr=") - 1 + addr_text->len * 3
+            sizeof("&addr=") - 1 + addr_text->len * 3 +
+            sizeof("&clientid=") - 1 + NGX_INT_T_LEN
         );
 
     if (b == NULL) {
@@ -619,10 +620,14 @@ ngx_rtmp_netcall_http_format_session(ngx_rtmp_session_t *s, ngx_pool_t *pool)
     b->last = (u_char*) ngx_escape_uri(b->last, s->page_url.data,
                                        s->page_url.len, NGX_ESCAPE_ARGS);
 
-    b->last = ngx_cpymem(b->last, (u_char*) "&addr=", sizeof("&addr=") -1);
+    b->last = ngx_cpymem(b->last, (u_char*) "&addr=", sizeof("&addr=") - 1);
     b->last = (u_char*) ngx_escape_uri(b->last, addr_text->data,
                                        addr_text->len, NGX_ESCAPE_ARGS);
 
+    b->last = ngx_cpymem(b->last, (u_char*) "&clientid=",
+                         sizeof("&clientid=") - 1);
+    b->last = ngx_sprintf(b->last, "%ui", (ngx_uint_t) s->connection->number);
+
     return cl;
 }