Disable default service in master.cf

[endorama]

Hello, there is a way to disable a default service? I need to make Postfix use a outgoing non standard port due to limitation of the network in which the server will be, and I'd like to disable smtp on port 25 ( because cannot be used ).

Making postfix listen on specific port has been easy:

"postfix": {
    "master": {
      "inet:20100": {
        "private": false,
        "command": "smtpd"
      }
    }
  }

I didn't find a way to disable smtp on port 25. I tried

"postfix": {
    "master": {
      "inet:smtp": null
    }
  }

but is not working.

There is a way to prevent this recipe from adding line smtp inet n - - - - smtpd in the master.cf file?

Thank you.

[mswart]

Your proposed way is the way it is intended to be solved. The problem is that the chef had for a long time a broken deep merge strategy that ignored nil values. See https://tickets.opscode.com/browse/CHEF-4101. This is fixed with chef/chef#719 and released with chef 12.0.0.

If you can upgrade to chef 12 it would solve the problem directly. If you stuck with an older version, it is more complicated. We have a couple of options:

• you patch your chef directly - the diff is quite short;
• You use the updated cookbook, that support using false to disable a service. I try to publish a new release in the near future, but I need to find time to e.g. get travis working for all versions / update gems etc.