[Discuss] automatic daemon restarts

[Edward Ned Harvey (blu)]

> From: discuss-bounces+blu=nedharvey.com at blu.org [mailto:discuss-
> bounces+blu=nedharvey.com at blu.org] On Behalf Of Derek Martin
> 
> 1. An attacker of your site is able to exploit a vulnerability to
>    upload a custom malicous loadable module for your managed service,
>    but can not otherwise gain access to a shell or the filesystem.
> 
> 2. The same attacker is also able to exploit a separate bug to cause
>    the server to crash.

You receive notification that your production server is down, and your customers are being unserved and your business is losing $10k per minute.

Are you going to checksum all of your system binaries before starting the service manually?

Of course nothing is foolproof, but the above scenario is what selinux & apparmor & ilk are designed for.  Identify and prevent processes that behave inconsistently with their normal programming.