new file mode 100644
--- /dev/null
+++ b/src/http/modules/ngx_http_ssl_filter.c
@@ -0,0 +1,248 @@
+
+#include <ngx_config.h>
+#include <ngx_core.h>
+#include <ngx_http.h>
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+
+
+#define NGX_DEFLAUT_CERTIFICATE      "cert.pem"
+#define NGX_DEFLAUT_CERTIFICATE_KEY  "cert.pem"
+
+
+typedef struct {
+    ngx_flag_t   enable;
+    ngx_str_t    certificate;
+    ngx_str_t    certificate_key;
+} ngx_http_ssl_srv_conf_t;
+
+
+typedef struct {
+    SSL       *ssl;
+    SSL_CTX   *ssl_ctx;
+
+    unsigned   accepted;
+} ngx_http_ssl_ctx_t;
+
+
+static ngx_http_ssl_ctx_t *ngx_http_ssl_create_ctx(ngx_http_request_t *r);
+static void ngx_http_ssl_error(ngx_uint_t level, ngx_log_t *log, int err,
+                               char *fmt, ...);
+static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf);
+static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf,
+                                         void *parent, void *child);
+static ngx_int_t ngx_http_ssl_filter_init(ngx_cycle_t *cycle);
+
+
+static ngx_command_t  ngx_http_charset_filter_commands[] = {
+
+    { ngx_string("ssl_"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_FLAG,
+      ngx_conf_set_flag_slot,
+      NGX_HTTP_SRV_CONF_OFFSET,
+      offsetof(ngx_http_ssl_srv_conf_t, enable),
+      NULL },
+
+    { ngx_string("ssl_certificate"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_str_slot,
+      NGX_HTTP_SRV_CONF_OFFSET,
+      offsetof(ngx_http_ssl_srv_conf_t, certificate),
+      NULL },
+
+    { ngx_string("ssl_certificate_key"),
+      NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_CONF_TAKE1,
+      ngx_conf_set_str_slot,
+      NGX_HTTP_SRV_CONF_OFFSET,
+      offsetof(ngx_http_ssl_srv_conf_t, certificate_key),
+      NULL },
+
+      ngx_null_command
+};
+
+
+static ngx_http_module_t  ngx_http_ssl_filter_module_ctx = {
+    NULL,                                  /* pre conf */
+
+    NULL,                                  /* create main configuration */
+    NULL,                                  /* init main configuration */
+
+    ngx_http_ssl_create_srv_conf,          /* create server configuration */
+    ngx_http_ssl_merge_srv_conf,           /* merge server configuration */
+
+    NULL,                                  /* create location configuration */
+    NULL,                                  /* merge location configuration */
+};
+
+
+ngx_module_t  ngx_http_ssl_filter_module = {
+    NGX_MODULE,
+    &ngx_http_ssl_filter_module_ctx,       /* module context */
+    NULL,                                  /* module directives */
+    NGX_HTTP_MODULE,                       /* module type */
+    ngx_http_ssl_filter_init,              /* init module */
+    NULL                                   /* init process */
+};
+
+
+ngx_int_t ngx_http_ssl_read(ngx_http_request_t *r)
+{
+    int                  rc;
+    ngx_http_ssl_ctx_t  *ctx;
+
+    ctx = ngx_http_get_module_ctx(r, ngx_http_ssl_filter_module);
+
+    if (ctx == NULL) {
+        ctx = ngx_http_ssl_create_ctx(r);
+
+        if (ctx == NULL) {
+            return NGX_HTTP_INTERNAL_SERVER_ERROR;
+        }
+    }
+
+    if (!ctx->accepted) {
+        rc = SSL_accept(ctx->ssl);
+
+        if (rc != 1) {
+            rc = SSL_get_error(ctx->ssl, rc);
+
+            if (rc == SSL_ERROR_WANT_READ || rc == SSL_ERROR_WANT_WRITE) {
+                return NGX_AGAIN;
+            }
+
+            ngx_http_ssl_error(NGX_LOG_ALERT, r->connection->log, rc,
+                               "SSL_accept() failed");
+            return NGX_ERROR;
+        }
+
+        ctx->accepted = 1;
+    }
+
+    return NGX_OK;
+}
+
+
+static ngx_http_ssl_ctx_t *ngx_http_ssl_create_ctx(ngx_http_request_t *r)
+{
+    ngx_http_ssl_ctx_t       *ctx;
+    ngx_http_ssl_srv_conf_t  *scf;
+
+    ngx_http_create_ctx(r, ctx, ngx_http_ssl_filter_module,
+                        sizeof(ngx_http_ssl_ctx_t), NULL);
+
+    /* TODO: configure methods */
+    ctx->ssl_ctx = SSL_CTX_new(SSLv23_server_method());
+
+    if (ctx->ssl_ctx == NULL) {
+        ngx_http_ssl_error(NGX_LOG_ALERT, r->connection->log, 0,
+                           "SSL_CTX_new() failed");
+        return NULL;
+    }
+
+    scf = ngx_http_get_module_srv_conf(r, ngx_http_ssl_filter_module);
+
+    if (SSL_CTX_use_certificate_file(ctx->ssl_ctx, scf->certificate.data,
+                                     SSL_FILETYPE_PEM) == 0) {
+        ngx_http_ssl_error(NGX_LOG_ALERT, r->connection->log, 0,
+                           "SSL_CTX_use_certificate_file() failed");
+        return NULL;
+    }
+
+    if (SSL_CTX_use_PrivateKey_file(ctx->ssl_ctx, scf->certificate_key.data,
+                                    SSL_FILETYPE_PEM) == 0) {
+        ngx_http_ssl_error(NGX_LOG_ALERT, r->connection->log, 0,
+                           "SSL_CTX_use_PrivateKey_file() failed");
+        return NULL;
+    }
+
+    ctx->ssl = SSL_new(ctx->ssl_ctx);
+
+    if (ctx->ssl == NULL) {
+        ngx_http_ssl_error(NGX_LOG_ALERT, r->connection->log, 0,
+                           "SSL_new() failed");
+        return NULL;
+    }
+
+    if (SSL_set_fd(ctx->ssl, r->connection->fd) == 0) {
+        ngx_http_ssl_error(NGX_LOG_ALERT, r->connection->log, 0,
+                           "SSL_set_fd() failed");
+        return NULL;
+    }
+
+    return ctx;
+}
+
+
+static void ngx_http_ssl_error(ngx_uint_t level, ngx_log_t *log, int err,
+                               char *fmt, ...)
+{
+    int      len;
+    char     errstr[NGX_MAX_CONF_ERRSTR];
+    va_list  args;
+
+    va_start(args, fmt);
+    len = ngx_vsnprintf(errstr, sizeof(errstr) - 1, fmt, args);
+    va_end(args);
+
+    errstr[len++] = ' ';
+    errstr[len++] = '(';
+    errstr[len++] = 'S';
+    errstr[len++] = 'S';
+    errstr[len++] = 'L';
+    errstr[len++] = ':';
+    errstr[len++] = ' ';
+
+    ERR_error_string_n(ERR_get_error(), errstr + len, sizeof(errstr) - len - 1);
+
+    ngx_log_error(level, log, 0, "%s)", errstr);
+}
+
+
+static void *ngx_http_ssl_create_srv_conf(ngx_conf_t *cf)
+{
+    ngx_http_ssl_srv_conf_t  *scf;
+
+    if (!(scf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssl_srv_conf_t)))) {
+        return NGX_CONF_ERROR;
+    }
+
+    scf->enable = NGX_CONF_UNSET;
+
+    return scf;
+}
+
+
+static char *ngx_http_ssl_merge_srv_conf(ngx_conf_t *cf,
+                                         void *parent, void *child)
+{
+    ngx_http_ssl_srv_conf_t *prev = parent;
+    ngx_http_ssl_srv_conf_t *conf = child;
+
+    ngx_conf_merge_value(conf->enable, prev->enable, 0);
+
+    ngx_conf_merge_str_value(conf->certificate, prev->certificate,
+                             NGX_DEFLAUT_CERTIFICATE);
+
+    ngx_conf_merge_str_value(conf->certificate_key, prev->certificate_key,
+                             NGX_DEFLAUT_CERTIFICATE_KEY);
+
+    return NGX_CONF_OK;
+}
+
+
+static ngx_int_t ngx_http_ssl_filter_init(ngx_cycle_t *cycle)
+{
+    SSL_library_init();
+    SSL_load_error_strings();
+
+#if 0
+    ngx_http_next_header_filter = ngx_http_top_header_filter;
+    ngx_http_top_header_filter = ngx_http_ssl_header_filter;
+
+    ngx_http_next_body_filter = ngx_http_top_body_filter;
+    ngx_http_top_body_filter = ngx_http_ssl_body_filter;
+#endif
+
+    return NGX_OK;
+}