; **************************************************************************
; * Global options                                                         *
; **************************************************************************

; setuid()/setgid() to the specified user/group in daemon mode
setuid = stunnel4
setgid = stunnel4

; PID is created inside the chroot jail
pid = /var/run/stunnel4/munin-node.pid

; Only log messages at severity warning (4) and higher
debug = 4

; **************************************************************************
; * Service defaults may also be specified in individual service sections  *
; **************************************************************************

; Certificate/key is needed in server mode and optional in client mode
cert = /etc/stunnel/certs/munin-{{ inventory_hostname_short }}.pem
key  = /etc/stunnel/certs/munin-{{ inventory_hostname_short }}.key

; Some performance tunings
socket = l:TCP_NODELAY=1
socket = r:TCP_NODELAY=1

; Prevent MITM attacks
verify = 4

; Disable support for insecure protocols
options = NO_SSLv2
options = NO_SSLv3
options = NO_TLSv1
options = NO_TLSv1.1

options = NO_COMPRESSION

; These options provide additional security at some performance degradation
options = SINGLE_ECDH_USE
options = SINGLE_DH_USE

; Select permitted SSL ciphers
ciphers = EECDH+AESGCM:!MEDIUM:!LOW:!EXP:!aNULL:!eNULL

; **************************************************************************
; * Service definitions (remove all services for inetd mode)               *
; **************************************************************************

[munin-node]
client  = no
accept  = 4949
connect = 127.0.0.1:4994
CAfile  = /etc/stunnel/certs/munin-master.pem

; vim:ft=dosini