diff --git a/logs_collector/gunicorn.conf.py b/logs_collector/gunicorn.conf.py
index 5b9e279..6ebe389 100644
--- a/logs_collector/gunicorn.conf.py
+++ b/logs_collector/gunicorn.conf.py
@@ -9,19 +9,17 @@ from logs_collector.settings import BASE_DIR
 # https://docs.gunicorn.org/en/stable/settings.html
 # https://github.com/benoitc/gunicorn/blob/master/examples/example_config.py
 
-# hide web server name:
-gunicorn.SERVER = 'undisclosed'
-
 env = environ.Env(
     # set casting, default value:
+    GUNICORN_SERVER_NAME=(str, 'undisclosed'),
     GUNICORN_BIND=(str, '0.0.0.0:8000'),
     GUNICORN_BACKLOG=(int, 2048),
 
     GUNICORN_WORKERS=(int, 2),
-    GUNICORN_WORKER_CLASS=(str, 'gthread'),
+    GUNICORN_WORKER_CLASS=(str, 'sync'),
     GUNICORN_WORKER_CONNECTIONS=(int, 1000),
-    GUNICORN_THREADS=(int, 1),
-    GUNICORN_TIMEOUT=(int, 30),
+    GUNICORN_THREADS=(int, 2),
+    GUNICORN_TIMEOUT=(int, 3600),
     GUNICORN_KEEPALIVE=(int, 2),
 
     GUNICORN_LOGLEVEL=(str, 'info'),
@@ -29,6 +27,9 @@ env = environ.Env(
 
 environ.Env.read_env(BASE_DIR / '.env')
 
+# Server name:
+gunicorn.SERVER = env('GUNICORN_SERVER_NAME')
+
 # Server socket:
 bind = env('GUNICORN_BIND')
 backlog = env('GUNICORN_BACKLOG')
@@ -45,4 +46,4 @@ keepalive = env('GUNICORN_KEEPALIVE')
 loglevel = env('GUNICORN_LOGLEVEL')
 errorlog = '-'
 accesslog = '-'
-access_log_format = '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"'  # noqa:E501
+access_log_format = '%({X-Forwarded-For}i)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s"'  # noqa:E501