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16.7 Legacy Series / Re: Block outgoing connection for app?
« on: November 15, 2016, 09:13:34 pm »
The only solution I have is for Win machines with (GData) personal firewall, there (above the OS-level) you can choose for each application the way to internet (or not).
For some applications (e.g. firewall sig updates) you can allow (!) some IPs to make it work at the perimeter firewall.
In general, in a secure environment I would BLOCK anything by default and start fishing from the firewall log the IPs to allow (or not) for individual apps. There is no perfect way to make this work from the perimeter firewall today. AFAIK Snort has a relatively new feature for application-based rules...
For some applications (e.g. firewall sig updates) you can allow (!) some IPs to make it work at the perimeter firewall.
In general, in a secure environment I would BLOCK anything by default and start fishing from the firewall log the IPs to allow (or not) for individual apps. There is no perfect way to make this work from the perimeter firewall today. AFAIK Snort has a relatively new feature for application-based rules...

