On 2019-10-20, Marcelo Laia wrote: > On 20/10/19 at 02:02, Nuno Silva wrote: > >> Do these systems have apparmor? It seems to be some sort of security >> tool which restricts access to files and directories based on rules. > > > Bingo!!!! > > root@marcelo:~# dpkg -l apparmor > Desired=Unknown/Install/Remove/Purge/Hold > | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend > |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) > ||/ Nome Versão Arquitectura Descrição > +++-==============-============-============-====================================== > ii apparmor 2.13.3-5 amd64 user-space parser utility for > AppArmor > root@marcelo:~#
By the way: it seems that the .mutt rule was added to the apparmor upstream repository during November 2018[1], which would explain why this is something that didn't happen before. [1] https://gitlab.com/apparmor/apparmor/commit/170e8d6ac8eb867d40f3361e1814b2304d647860 -- Nuno Silva
