diff --git a/nvtsrv/nvtsrv.c b/nvtsrv/nvtsrv.c
index 0a2707b..9b09d22 100644
--- a/nvtsrv/nvtsrv.c
+++ b/nvtsrv/nvtsrv.c
@@ -12,6 +12,11 @@
 #include "lib/nvt_socket.h"
 #include "telnet.h"
 
+
+#define HELP \
+    "Usage: nvtsrv -dq\n"
+
+
 struct {
     unsigned char   mline;
     tn_ctx_t       *tnct;
@@ -34,7 +39,7 @@ static void _tn_cli_close(void)
 {
     int             i = 2;
 
-    printf("%d: fd=%d: Closed\n", i, pfds[i].fd);
+    nvt_log(LOG_INFO, "%d: fd=%d: Closed\n", i, pfds[i].fd);
     close(pfds[i].fd);
     pfds[i].fd = -1;
     nfds = 2;
@@ -44,25 +49,25 @@ static void _tn_tx(void *cctx, const void *buf, int len)
 {
     int             nw;
 
-    nvt_log_buf(LOG_INFO, "Tx", buf, len);
+    DBG2_BUF("Tx", buf, len);
 
     if (fd_cli < 0)
     {
-        printf("Write fd is closed - drop Tx\n");
+        nvt_log(LOG_NOTICE, "Write fd is closed - drop Tx\n");
         return;
     }
 
     nw = write(fd_cli, buf, len);
     if (nw != len)
     {
-        printf("Write failed %d != %d\n", nw, len);
+        nvt_log(LOG_ERR, "Write failed %d != %d\n", nw, len);
         _tn_cli_close();
     }
 }
 
 static void _tn_ss(void *cctx, int signal, int value)
 {
-    printf("RFC2217 signal %d: %02x", signal, value);
+    nvt_log(LOG_INFO, "RFC2217 signal %d: %02x", signal, value);
 }
 
 static void _nvtsrv_init(void)
@@ -107,22 +112,35 @@ static void _nvtsrv_set_signal_handlers(void)
 
 int main(int argc, char **argv)
 {
-    const char     *s;
+    int             opt;
     char            buf[128];
     int             rc, nr, i, len;
+    int             debug, quiet;
 
-    for (;;)
+    debug = quiet = 0;
+
+    while ((opt = getopt(argc, argv, "dq")) != -1)
     {
-        s = *argv++;
-        argc--;
-        if (*s != '-')
+        switch (opt)
+        {
+        default:               /* '?' */
+            fprintf(stderr, HELP);
+            exit(EXIT_FAILURE);
+        case 'd':
+            debug += 1;
             break;
+        case 'q':
+            quiet = 1;
+            break;
+        }
     }
 
+    argc -= optind;
+    argv += optind;
     if (argc <= 0)
         _nvtsrv_usage();
 
-    nvt_log_level(0, 10);
+    nvt_log_level(quiet, debug);
     nvt_log_dest(NVT_LOG_STDOUT);
 
     _nvtsrv_set_signal_handlers();
@@ -148,7 +166,7 @@ int main(int argc, char **argv)
         rc = poll(pfds, nfds, -1);
         if (rc < 0)
         {
-            printf("poll failed: %m\n");
+            nvt_log(LOG_ERR, "poll failed: %m\n");
             break;
         }
 
@@ -159,8 +177,7 @@ int main(int argc, char **argv)
             if (nr <= 0)
                 break;
             buf[nr] = 0;
-//          printf("%d: fd=%d: r %d: '%.*s'\n", i, pfds[i].fd, nr, nr, buf);
-            nvt_log_buf(LOG_INFO, "Con Rx", buf, nr);
+            DBG2_BUF("Con Rx", buf, nr);
             _nvtsrv_cmd(dd.tnct, buf, nr);
         }
 
@@ -185,11 +202,9 @@ int main(int argc, char **argv)
             if (nr > 0)
             {
                 buf[nr] = 0;
-                nvt_log_buf(LOG_INFO, "Rx", buf, nr);
+                DBG2_BUF("Rx", buf, nr);
                 len = nr;
                 rc = telnet_rx(dd.tnct, buf, &len);
-                printf("%d: fd=%d: r %d: '%.*s'\n", i, pfds[i].fd, rc,
-                       len, buf);
             }
         }
 
@@ -198,11 +213,12 @@ int main(int argc, char **argv)
         {
             if (pfds[2].fd >= 0)
             {
-                printf("Client already connected on fd=%d\n", pfds[2].fd);
+                nvt_log(LOG_NOTICE, "Client already connected on fd=%d\n",
+                        pfds[2].fd);
                 break;
             }
             pfds[2].fd = socket_create_server_client(pfds[i].fd);
-            printf("%d: fd=%d: Connected\n", 2, pfds[2].fd);
+            nvt_log(LOG_INFO, "%d: fd=%d: Connected\n", 2, pfds[2].fd);
             pfds[2].events = POLLIN;
             nfds = 3;
             _nvtsrv_init();