www.numberspeaks.com

BLOG

Linux / Mac OS X / OpenVPN / sTunnel

Stealthy tunnel with stunnel, OpenVPN on Mac OS and Debian

OpenVPN is more and less banned in some countries, therefore to be able to use it there, we need to make it stealthy by installing a 3rd party software like Tor, SSH Tunnel or Stunnel which hides openVPN traffic from governmental firewall detection. The principle is quite simple, we create a tunnel between our computer and the openVPN server which is encrypted by a certificate, then we send our openVPN traffic through this tunnel. Debian 8 stunnel server installation First OpenVPN should be configured to use TCP instead of UDP, on this example we open port number 1000 and redirect …

Coding / Odoo / OpenERP

Disable database manager in Odoo

Module for odoo 8 and 11 available on Github. Some tips found on the web hides only the link from Odoo homepage however URL are still reachable (~/web/database/manager). By installing this module, it will filter the access to Odoo database manager through the controller except connections coming from IPs listed in system parameters. Whitelist option: Key: disable_database_manager.database_manager_whitelist Value: 192.168.1.1,192.168.1.2,etc… This module will avoid unwanted connections attempts and secure your database manager access. Works with NGINX with some modification on nginx config file, click here for more detail. To disable completely database manager access: Add list_db = False in odoo.conf / …

Hacking / Linux

Fail2ban doesn’t ban but regex works

One of my Debian server with fail2ban has a problem to ban ip from brute force attack, however testing logs with fail2ban-regex worked perfectly. My solution has been found through this page. The cause of my issue was related to the timezone of the system. To solve this problem, i used the command bellow to reconfigure timezone and then fail2ban started to ban as usual.

Odoo / OpenERP

POS order to quotation in Odoo 9

Odoo 9 community does not have a button to generate from the POS (Point of Sale) Order a quotation (Sales Order), here is the following code of my module pos_2_so. Folders arborescence will have as sub folders :  model, view, static, ref the print screen : We will start by adding a new button on the interface of the pos, in the folder static/src/xml/, we create a new file named pos_2_so.xml. Bellow is its QWeb xml code : This portion of code creates a template named pos2sopad which include only a button : We need to set a placeholder by adding …

More