diff --git a/src/http/ngx_http.h b/src/http/ngx_http.h
index b1f8a7d..23a95ed 100644
--- a/src/http/ngx_http.h
+++ b/src/http/ngx_http.h
@@ -57,7 +57,7 @@
 
 void ngx_http_init_connection(ngx_connection_t *c);
 
-ngx_int_t ngx_http_parse_request_line(ngx_http_request_t *r);
+ngx_int_t ngx_http_parse_request_line(ngx_http_request_t *r, ngx_buf_t *b);
 ngx_int_t ngx_http_parse_complex_uri(ngx_http_request_t *r);
 ngx_int_t ngx_http_parse_header_line(ngx_http_request_t *r, ngx_buf_t *b);
 
diff --git a/src/http/ngx_http_header_filter.c b/src/http/ngx_http_header_filter.c
index 74e36ba..2038942 100644
--- a/src/http/ngx_http_header_filter.c
+++ b/src/http/ngx_http_header_filter.c
@@ -131,6 +131,16 @@
         r->header_only = 1;
     }
 
+    if (r->headers_out.last_modified_time != -1) {
+        if (r->headers_out.status != NGX_HTTP_OK
+            && r->headers_out.status != NGX_HTTP_NOT_MODIFIED
+            && r->headers_out.status != NGX_HTTP_PARTIAL_CONTENT)
+        {
+            r->headers_out.last_modified_time = -1;
+            r->headers_out.last_modified = NULL;
+        }
+    }
+
     /* 2 is for trailing "\r\n" and 2 is for "\r\n" in the end of header */
     len = sizeof("HTTP/1.x ") - 1 + 2 + 2;
 
diff --git a/src/http/ngx_http_parse.c b/src/http/ngx_http_parse.c
index dd2d374..b1fb6c6 100644
--- a/src/http/ngx_http_parse.c
+++ b/src/http/ngx_http_parse.c
@@ -4,7 +4,7 @@
 #include <ngx_http.h>
 
 
-ngx_int_t ngx_http_parse_request_line(ngx_http_request_t *r)
+ngx_int_t ngx_http_parse_request_line(ngx_http_request_t *r, ngx_buf_t *b)
 {
     u_char  ch, *p, *m;
     enum {
@@ -34,9 +34,9 @@
     } state;
 
     state = r->state;
-    p = r->header_in->pos;
+    p = b->pos;
 
-    while (p < r->header_in->last && state < sw_done) {
+    while (p < b->last && state < sw_done) {
         ch = *p++;
 
         /* gcc 2.95.2 and vc 6.0 compile this switch as an jump table */
@@ -416,7 +416,7 @@
         }
     }
 
-    r->header_in->pos = p;
+    b->pos = p;
 
     if (state == sw_done) {
         if (r->request_end == NULL) {
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index bc21021..bb1cc7d 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -172,6 +172,7 @@
     ngx_http_request_t        *r;
     ngx_http_in_port_t        *in_port;
     ngx_http_in_addr_t        *in_addr;
+    ngx_http_connection_t     *hc;
     ngx_http_server_name_t    *server_name;
     ngx_http_core_srv_conf_t  *cscf;
     ngx_http_core_loc_conf_t  *clcf;
@@ -193,14 +194,28 @@
     }
 
     if (c->data) {
-        r = c->data;
+        hc = c->data;
+        r = hc->request;
+
         ngx_memzero(r, sizeof(ngx_http_request_t));
 
+        r->pipeline = hc->pipeline;
+
 #if (NGX_STAT_STUB)
         (*ngx_stat_reading)++;
 #endif
 
     } else {
+        if (!(hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t)))) {
+
+#if (NGX_STAT_STUB)
+            (*ngx_stat_reading)--;
+#endif
+
+            ngx_http_close_connection(c);
+            return;
+        }
+
         if (!(r = ngx_pcalloc(c->pool, sizeof(ngx_http_request_t)))) {
 
 #if (NGX_STAT_STUB)
@@ -211,13 +226,16 @@
             return;
         }
 
-        c->data = r;
+        hc->request = r;
     }
 
 #if (NGX_STAT_STUB)
     r->stat_reading = 1;
 #endif
 
+    c->data = r;
+    r->http_connection = hc;
+
     c->sent = 0;
     r->signature = NGX_HTTP_MODULE;
 
@@ -367,7 +385,6 @@
 
     c->single_connection = 1;
     r->connection = c;
-    r->pipeline = c->pipeline;
     r->header_in = c->buffer;
 
     r->file.fd = NGX_INVALID_FILE;
@@ -476,27 +493,12 @@
         return;
     }
 
-    rc = ngx_http_parse_request_line(r);
+    rc = ngx_http_parse_request_line(r, r->header_in);
 
     if (rc == NGX_OK) {
 
         /* the request line has been parsed successfully */
 
-#if 0
-        /* TODO: we need to handle proxy URIs */
-        if (r->unusual_uri) {
-            r->request_line.len = r->request_end - r->request_start;
-            r->request_line.data = r->request_start;
-#if 0
-            r->request_line.data[r->request_line.len] = '\0';
-#endif
-
-            ngx_http_client_error(r, NGX_HTTP_PARSE_INVALID_REQUEST,
-                                  NGX_HTTP_BAD_REQUEST);
-            return;
-        }
-#endif
-
         cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
 
         if (r->http_version >= NGX_HTTP_VERSION_10
@@ -1504,6 +1506,7 @@
     ngx_buf_t                 *b;
     ngx_event_t               *rev, *wev;
     ngx_connection_t          *c;
+    ngx_http_connection_t     *hc;
     ngx_http_log_ctx_t        *ctx;
     ngx_http_core_srv_conf_t  *cscf;
     ngx_http_core_loc_conf_t  *clcf;
@@ -1515,7 +1518,10 @@
 
     ctx = (ngx_http_log_ctx_t *) c->log->data;
     ctx->action = "closing request";
+
+    hc = r->http_connection;
     ngx_http_close_request(r, 0);
+    c->data = hc;
 
     clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
     ngx_add_timer(rev, clcf->keepalive_timeout);
@@ -1553,13 +1559,13 @@
 
         ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, "pipelined request");
 
-        c->pipeline = 1;
+        hc->pipeline = 1;
         ctx->action = "reading client pipelined request line";
         ngx_http_init_request(rev);
         return;
     }
 
-    c->pipeline = 0;
+    hc->pipeline = 0;
 
     b->pos = b->last = b->start;
     rev->event_handler = ngx_http_keepalive_handler;
@@ -1649,6 +1655,16 @@
     rev->log->handler = ngx_http_log_error;
     ctx->action = "reading client request line";
 
+#if 0
+    if (!(hc = ngx_pcalloc(c->pool, sizeof(ngx_http_connection_t)) {
+        ngx_http_close_connection(c);
+        return;
+    }
+
+    hc->request = r;
+    c->data = r;
+#endif
+
     ngx_http_init_request(rev);
 }
 
diff --git a/src/http/ngx_http_request.h b/src/http/ngx_http_request.h
index aafabbe..4dd1e82 100644
--- a/src/http/ngx_http_request.h
+++ b/src/http/ngx_http_request.h
@@ -217,6 +217,13 @@
 };
 
 
+typedef struct {
+    ngx_http_request_t  *request;
+    ngx_array_t          large_buffers;
+    ngx_uint_t           pipeline;      /* unsigned  pipeline:1; */
+} ngx_http_connection_t;
+
+
 typedef ngx_int_t (*ngx_http_handler_pt)(ngx_http_request_t *r);
 
 struct ngx_http_request_s {
@@ -277,6 +284,8 @@
     void               **err_ctx;
     ngx_uint_t           err_status;
 
+    ngx_http_connection_t  *http_connection;
+
     unsigned             http_state:4;
 
 #if 0