Improve logcheck rules

roles/common/files/logcheck/bind_local

@@ -1 +1,2 @@
 ^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ named\[[[:digit:]]+\]: DNS format error from [.:[:xdigit:]]+#[[:digit:]]+ resolving [^[:space:]]+ for client [.:[:xdigit:]]+#[[:digit:]]+: (invalid response|reply has no answer|non-improving referral)$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ named\[[[:digit:]]+\]:\s+ validating @0x[[:xdigit:]]+: .* no valid signature found$

roles/common/files/logcheck/ferm_local

@@ -0,0 +1 @@
+^\w{3} [ :0-9]{11} [._[:alnum:]-]+ ferm\[[[:digit:]]+\]: Reloading Firewall configuration\.\.\.\.$

roles/common/files/logcheck/systemd_local

@@ -1 +1,2 @@
+^\w{3} [ :0-9]{11} [._[:alnum:]-]+ systemd\[[[:digit:]]+\]: Reloading\.$
 ^\w{3} [ :0-9]{11} [._[:alnum:]-]+ systemd\[[[:digit:]]+\]: (Start|Stopp?|Reload)(ed|ing) (LSB: )?.+\.(\.\.)?$

roles/common/tasks/security.yml

@@ -33,6 +33,7 @@
     - dnsmasq
     - dovecot
     - dropbear
+    - ferm
     - git-daemon
     - gogs
     - ipmi