fix(reverse_proxy): disable nginx server tokens (#109)

Author: Tbaile

setup.py

@@ -7,7 +7,7 @@
 
 setup(
     name = 'nethsec',
-    version = '1.4.5',
+    version = '1.4.6',
     author = 'Giacomo Sanchietti',
     author_email = 'giacomo.sanchietti@nethesis.it',
     description = 'Utilities for NethSecurity development',

src/nethsec/reverse_proxy/__init__.py

@@ -80,6 +80,8 @@ def create_location(e_uci, uci_server, location, proxy_pass, domain='', allow=No
     e_uci.set('nginx', location_id, 'proxy_set_header', default_headers)
     # set body limit to 1GB: same value of NethServer 7
     e_uci.set('nginx', location_id, 'client_max_body_size', '1024m')
+    # disable server tokens
+    e_uci.set('nginx', location_id, 'server_tokens', 'off')
     # setup location
     e_uci.set('nginx', location_id, 'uci_server', uci_server)
     e_uci.set('nginx', location_id, 'location', location)