diff --git a/src/core/nginx.c b/src/core/nginx.c
index ab287f2..a90b21e 100644
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -5,145 +5,91 @@
 #include <ngx_string.h>
 #include <ngx_log.h>
 #include <ngx_alloc.h>
+#include <ngx_array.h>
+#include <ngx_socket.h>
 #include <ngx_server.h>
 #include <ngx_connection.h>
 #include <ngx_listen.h>
 
-/*
+/* STUB */
 #include <ngx_http.h>
-*/
+/* */
 
 
-#if !(WIN32)
-static int ngx_options(int argc, char *const *argv);
-#endif
-
-char *ngx_root = "/home/is/work/xml/xml/html";
-
-int ngx_http_init_connection(void *data);
-
 
 int ngx_max_conn = 512;
-struct sockaddr_in ngx_addr = {0, AF_INET, 0, 0, 0};
-int ngx_backlog = 0;
 
 ngx_pool_t   ngx_pool;
 ngx_log_t    ngx_log;
 ngx_server_t ngx_server;
 
 
+ngx_array_t ngx_listening_sockets;
+
+
 int main(int argc, char *const *argv)
 {
-    char addr_text[22];
-    ngx_socket_t s;
-    ngx_listen_t ls;
-    int            reuseaddr = 1;
-#if (WIN32)
-    WSADATA      wsd;
-    unsigned long  nb = 1;
-#endif
+    int  i;
+    ngx_socket_t  s;
+    ngx_listen_t *ls;
 
+    int  reuseaddr = 1;
 
     ngx_log.log_level = NGX_LOG_DEBUG;
     ngx_pool.log = &ngx_log;
-    ngx_addr.sin_port = htons(8000);
-    ngx_addr.sin_family = AF_INET;
 
-#if !(WIN32)
-    if (ngx_options(argc, argv) == -1)
-        ngx_log_error(NGX_LOG_EMERG, (&ngx_log), 0, "invalid argument");
-#endif
+    ngx_init_sockets(&ngx_log);
 
-    ngx_log_debug((&ngx_log), "%d, %s:%d" _ ngx_max_conn _
-                 inet_ntoa(ngx_addr.sin_addr) _ ntohs(ngx_addr.sin_port));
+    /* TODO: read config */
 
-#if (WIN32)
-    if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
-        ngx_log_error(NGX_LOG_EMERG, (&ngx_log), ngx_socket_errno,
-                      "WSAStartup failed");
-#endif
+    /* STUB */
+    /* TODO: init chain of global modules (like ngx_http.c),
+       they would init its modules and ngx_listening_sockets */
+    ngx_http_init();
 
     /* for each listening socket */
-    s = socket(AF_INET, SOCK_STREAM, 0);
-    if (s == -1)
-        ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
-                      "socket failed");
+    ls = (ngx_listen_t *) ngx_listening_sockets.elts;
+    for (i = 0; i < ngx_listening_sockets.nelts; i++) {
+        s = socket(ls->family, ls->type, ls->protocol);
+        if (s == -1)
+            ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
+                          "nginx: socket %s falied", ls->addr_text);
 
-    if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
-                   (const void *) &reuseaddr, sizeof(int)) == -1)
-        ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
-                     "setsockopt (SO_REUSEADDR) failed");
+        if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR,
+                       (const void *) &reuseaddr, sizeof(int)) == -1)
+            ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
+                         "nginx: setsockopt (SO_REUSEADDR) %s failed",
+                         ls->addr_text);
 
-#if (WIN32)
-    if (ioctlsocket(s, FIONBIO, &nb) == -1)
-        ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
-                     "ioctlsocket (FIONBIO) failed");
-#else
-    if (fcntl(s, F_SETFL, O_NONBLOCK) == -1)
-        ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
-                     "fcntl (O_NONBLOCK) failed");
-#endif
+        /* TODO: close on exit */
 
-    ngx_snprintf(ngx_cpystrn(addr_text, inet_ntoa(ngx_addr.sin_addr), 16),
-                 7, ":%d", ntohs(ngx_addr.sin_port));
+        if (ngx_nonblocking(s) == -1)
+            ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
+                          ngx_nonblocking_n " %s failed", ls->addr_text);
 
-    if (bind(s, (struct sockaddr *) &ngx_addr,
-             sizeof(struct sockaddr_in)) == -1)
-        ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
-                     "bind to %s failed", addr_text);
+        if (bind(s, (struct sockaddr *) ls->addr, ls->addr_len) == -1)
+            ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
+                         "bind to %s failed", ls->addr_text);
 
-    if (listen(s, ngx_backlog) == -1)
-        ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
-                     "listen to %s failed", addr_text);
+        if (listen(s, ls->backlog) == -1)
+            ngx_log_error(NGX_LOG_EMERG, &(ngx_log), ngx_socket_errno,
+                         "listen to %s failed", ls->addr_text);
 
-    ngx_server.buff_size = 1024;
-    ngx_server.handler = ngx_http_init_connection;
+        /* TODO: deferred accept */
 
-    /* daemon */
-
-    ls.fd = s;
-    ls.server = &ngx_server;
-    ls.log = &ngx_log;
-
-    /* fork */
-
-    ngx_worker(&ls, 1, &ngx_pool, &ngx_log);
-}
-
-#if !(WIN32)
-extern char *optarg;
-
-static int ngx_options(int argc, char *const *argv)
-{
-    char ch, *pos;
-    int port;
-
-    while ((ch = getopt(argc, argv, "l:c:")) != -1) {
-        switch (ch) {
-        case 'l':
-            if (pos = strchr(optarg, ':')) {
-                *(pos) = '\0';
-                if ((port = atoi(pos + 1)) <= 0)
-                    return -1;
-                ngx_addr.sin_port = htons(port);
-            }
-
-            if ((ngx_addr.sin_addr.s_addr = inet_addr(optarg)) == INADDR_NONE)
-                return -1;
-            break;
-
-        case 'c':
-            if ((ngx_max_conn = atoi(optarg)) <= 0)
-                return -1;
-            break;
-
-        case '?':
-        default:
-            return -1;
-        }
-
+        ls->fd = s;
+        ls->server = &ngx_http_server;
+        ls->log = &ngx_log;
     }
 
-    return 0;
+    /* TODO: daemon */
+
+    /* TODO: fork */
+
+    /* TODO: events: init ngx_connections and listen slots */
+
+    /* TODO: threads */
+
+    /* STUB */
+    ngx_worker(&ls, 1, &ngx_pool, &ngx_log);
 }
-#endif
diff --git a/src/core/nginx.h b/src/core/nginx.h
index 0f4b0de..30562c0 100644
--- a/src/core/nginx.h
+++ b/src/core/nginx.h
@@ -2,7 +2,7 @@
 #define _NGINX_H_INCLUDED_
 
 
-extern char *gx_root;
+#define  NGINX_VER  "nginx/0.0.1"
 
 
 #endif /* _NGINX_H_INCLUDED_ */
diff --git a/src/core/ngx_server.h b/src/core/ngx_server.h
index 88eb438..21f6178 100644
--- a/src/core/ngx_server.h
+++ b/src/core/ngx_server.h
@@ -18,11 +18,22 @@
     ngx_socket_t  fd;
 
     ngx_log_t    *log;
-    ngx_server_t *server;
+    void         *server;
 
-    unsigned      shared:1;
+    int           family;
+    int           type;
+    int           protocol;
+
+    void         *addr;
+    size_t        addr_len;
+    char         *addr_text;
+
+    int           backlog;
+
+    unsigned      non_blocking:1;
+    unsigned      shared:1;          /* shared between threads or processes */
 #if (HAVE_DEFERRED_ACCEPT)
-    unsigned      accept_filter:1;
+    unsigned      deferred_accept:1;
 #endif
 } ngx_listen_t;
 
diff --git a/src/http/modules/ngx_http_header_filter.c b/src/http/modules/ngx_http_header_filter.c
index 1742b8b..d247654 100644
--- a/src/http/modules/ngx_http_header_filter.c
+++ b/src/http/modules/ngx_http_header_filter.c
@@ -12,11 +12,11 @@
 
 
 
-
 int ngx_http_header_filter(ngx_http_request_t *r)
 {
     int  status;
-    ngx_hunk_t  *h;
+    ngx_hunk_t   *h;
+    ngx_chain_t  *ch;
 
     ngx_test_null(h, ngx_get_hunk(r->pool, 1024, 0, 64), NGX_HTTP_FILTER_ERROR);
 
@@ -51,5 +51,12 @@
         h->pos.mem += sizeof(NGINX_VER);
     }
     *(h->pos.mem++) = CR; *(h->pos.mem++) = LF;
-    
+
+    ngx_test_null(ch, ngx_palloc(r->pool, sizeof(ngx_chain_t)),
+                  NGX_HTTP_FILTER_ERROR);
+
+    ch->hunk = in->hunk;
+    ch->next = NULL;
+
+    return ngx_http_write_filter(r, ch);
 }
diff --git a/src/http/ngx_http.c b/src/http/ngx_http.c
new file mode 100644
index 0000000..c3343fa
--- /dev/null
+++ b/src/http/ngx_http.c
@@ -0,0 +1,45 @@
+
+#include <ngx_http.h>
+
+
+/* STUB */
+
+static struct sockaddr_in  addr;
+static char addr_text[22];
+
+static ngx_http_server_t ngx_http_server;
+
+int ngx_http_init(ngx_pool_t *pool)
+{
+    ngx_listen_t  *ls;
+
+    ngx_http_server.handler = ngx_http_init_connection;
+
+    ngx_http_server.buff_size = 1024;
+
+    ngx_http_server.doc_root = "/home/is/work/xml/site-1.0.0/html";
+    ngx_http_server.doc_root_len = strlen(server.doc_root);
+
+    ls = ngx_push_array(ngx_listening_sockets);
+    ngx_memzero(ls, sizeof(nxg_listen_t));
+
+    addr.sin_family = AF_INET;
+    addr.sin_addr.s_addr = inet_addr(optarg)
+    addr.sin_port = htons(8000);
+
+    ngx_snprintf(ngx_cpystrn(addr_text, inet_ntoa(addr.sin_addr), 16),
+                 7, ":%d", ntohs(addr.sin_port));
+
+    ls->family = AF_INET;
+    ls->type = SOCK_STREAM;
+    ls->protocol = 0;
+    ls->addr = &addr;
+    ls->addr_len = sizeof(sockaddr_in);
+    ls->text = &addr_text;
+    ls->backlog = -1;
+    ls->nonblocking = 1;
+
+    return 1;
+}
+
+/* */
diff --git a/src/http/ngx_http.h b/src/http/ngx_http.h
index 6fa0f78..e05dcc8 100644
--- a/src/http/ngx_http.h
+++ b/src/http/ngx_http.h
@@ -19,7 +19,15 @@
 #define NGX_HTTP_CONN_CLOSE       0
 #define NGX_HTTP_CONN_KEEP_ALIVE  1
 
-#define NGX_HTTP_OK               200
+#define NGX_OK                          0
+
+#define NGX_HTTP_OK                     200
+#define NGX_HTTP_NOT_FOUND              404
+#define NGX_HTTP_INTERNAL_SERVER_ERROR  503
+
+
+#define NGX_HTTP_STATIC_HANDLER     0
+#define NGX_HTTP_DIRECTORY_HANDLER  1
 
 
 typedef struct {
@@ -30,6 +38,11 @@
 #define ngx_get_module_ctx(r, module)  (module)->ctx
 
 typedef struct {
+    char  *doc_root;
+    int    doc_root_len;
+} ngx_http_server_t;
+
+typedef struct {
     char *buff;
     char *pos;
     char *last;
@@ -50,6 +63,12 @@
 typedef struct ngx_http_request_s ngx_http_request_t;
 
 struct ngx_http_request_s {
+    char  *filename;
+    char  *location;
+
+    int    filename_len;
+    int  (*handler)(ngx_http_request_t *r);
+
     int    method;
 
     int    http_version;
@@ -59,7 +78,8 @@
     char  *uri;
     ngx_http_request_t *main;
 
-    ngx_connection_t *connection;
+    ngx_connection_t  *connection;
+    ngx_http_server_t *server;
     ngx_buff_t  *buff;
     ngx_pool_t  *pool;
 
diff --git a/src/http/ngx_http_event.c b/src/http/ngx_http_event.c
index 24cbb56..9e63f92 100644
--- a/src/http/ngx_http_event.c
+++ b/src/http/ngx_http_event.c
@@ -180,6 +180,78 @@
 
 static int ngx_process_http_request(ngx_http_request_t *r)
 {
+    int   err;
+    char *name, *loc, *file;
+
+    ngx_log_debug(r->connection->log, "HTTP request");
+
+    if (*(r->uri_end - 1) == '/') {
+        r->handler = NGX_HTTP_DIRECTORY_HANDLER;
+        return NGX_OK;
+    }
+
+    /* 20 bytes is spare space for some index name, i.e. index.html */
+    r->filename_len = r->uri_end - r->uri_start + r->server->doc_root_len + 20;
+
+    ngx_test_null(r->filename,
+                  ngx_palloc(r->pool, r->filename_len),
+                  ngx_http_error(r, NGX_HTTP_INTERNAL_SERVER_ERROR));
+
+    r->location = ngx_cpystrn(r->filename, r->server->doc_root,
+                              r->server->doc_root_len);
+    file = ngx_cpystrn(r->location, r->uri_start,
+                       r->uri_end - r->uri_start + 1);
+
+    ngx_log_debug(r->connection->log, "HTTP filename: '%s'" _ r->filename);
+
+}
+#if 0
+
+    if (ngx_stat(r->filename, &r->stat) == -1) {
+        err = ngx_errno;
+        ngx_log_error(GX_LOG_ERR, r->connection->log, err,
+                     "ngx_process_http_request: "
+                      ngx_stat_n " %s failed", r->filename);
+
+        if (err == NGX_ENOENT)
+            return ngx_http_error(r, NGX_HTTP_NOT_FOUND);
+        else
+            return ngx_http_error(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
+    }
+
+    if (ngx_is_dir(r->stat)) {
+        *file++ = '/';
+        *file = '\0';
+        r->headers_out->location = r->location;
+        return ngx_http_redirect(r, NGX_HTTP_MOVED_PERMANENTLY);
+    }
+
+    r->stat_valid = 1;
+    r->handler = NGX_HTTP_STATIC_HANDLER;
+    return NGX_OK;
+}
+
+static int ngx_http_handler(ngx_http_request_t *r, int handler)
+{
+    if (handler == NGX_HTTP_STATIC_HANDLER) 
+        return ngx_http_static_handler(r);
+
+    elsif (handler == NGX_HTTP_DIRECTORY_HANDLER) 
+        return ngx_http_index_handler(r);
+
+    return ngx_http_error(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
+}
+#endif
+
+static int ngx_http_redirect(ngx_http_request_t *r, int redirect)
+{
+    /* STUB */
+    return -1;
+}
+
+static int ngx_http_error(ngx_http_request_t *r, int error)
+{
+    /* STUB */
     return -1;
 }
 
diff --git a/src/os/unix/ngx_socket.h b/src/os/unix/ngx_socket.h
new file mode 100644
index 0000000..18c07f9
--- /dev/null
+++ b/src/os/unix/ngx_socket.h
@@ -0,0 +1,16 @@
+#ifndef _NGX_SOCKET_H_INCLUDED_
+#define _NGX_SOCKET_H_INCLUDED_
+
+
+#include <ngx_config.h>
+
+
+typedef int  ngx_socket_t;
+
+#define ngx_init_sockets
+
+#define ngx_nonblocking(s)  fcntl(s, F_SETFL, O_NONBLOCK)
+#define ngx_nonblocking_n   "fcntl (O_NONBLOCK)"
+
+
+#endif /* _NGX_SOCKET_H_INCLUDED_ */
diff --git a/src/os/win32/ngx_socket.c b/src/os/win32/ngx_socket.c
new file mode 100644
index 0000000..590eb08
--- /dev/null
+++ b/src/os/win32/ngx_socket.c
@@ -0,0 +1,22 @@
+#include <nxg_config.h>
+
+#include <nxg_log.h>
+#include <nxg_errno.h>
+#include <nxg_socket.h>
+
+
+void ngx_init_sockets(ngx_log_t *log)
+{
+    WSADATA  wsd;
+
+    if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
+        ngx_log_error(NGX_LOG_EMERG, log, ngx_socket_errno,
+                      "ngx_init_sockets: WSAStartup failed");
+}
+
+int ngx_nonblocking(ngx_socket_t s)
+{
+    unsigned long  nb = 1;
+
+    return ioctlsocket(s, FIONBIO, &nb);
+}
diff --git a/src/os/win32/ngx_socket.h b/src/os/win32/ngx_socket.h
new file mode 100644
index 0000000..36ed26f
--- /dev/null
+++ b/src/os/win32/ngx_socket.h
@@ -0,0 +1,16 @@
+#ifndef _NGX_SOCKET_H_INCLUDED_
+#define _NGX_SOCKET_H_INCLUDED_
+
+
+#include <ngx_config.h>
+
+typedef SOCKET            ngx_socket_t;
+
+void ngx_init_sockets(ngx_log_t *log);
+
+int ngx_nonblocking_n(s);
+#define ngx_nonblocking_n  "ioctlsocket (FIONBIO)"
+
+
+
+#endif /* _NGX_SOCKET_H_INCLUDED_ */