Here is the zone based firewall config:
class-map type inspect match-all ICMP
match protocol icmp
class-map type inspect match-any DHCP-to-SELF
match protocol bootps
match protocol bootpc
class-map type inspect match-any TRAFFIC-to-SELF
match access-group name ICMP-TRAFFIC-ACL
match access-group name VTY-IN
match access-group 99
match access-group name ALLOW-DHCP
match access-group name HTTPS-to-SELF
class-map type inspect match-any INSIDE-OUT
match protocol dns
match protocol ntp
match protocol http
match protocol https
match protocol ftp
match protocol tcp
match protocol udp
match protocol bittorrent
match protocol pptp
match protocol isakmp
match protocol ipsec-msft
match protocol ssh
match protocol tftp
match protocol bootpc
match protocol bootps
class-map type inspect match-any OUTSIDE-IN
match access-group name WAN-IN
!
!
policy-map type inspect INSIDE-to-SELF
class type inspect DHCP-to-SELF
pass
class type inspect TRAFFIC-to-SELF
inspect
class class-default
drop
policy-map type inspect OUTSIDE-to-SELF
class type inspect OUTSIDE-IN
inspect
class type inspect ICMP
drop
class class-default
drop
policy-map type inspect INSIDE-OUT
class type inspect INSIDE-OUT
inspect
class type inspect ICMP
inspect
police rate 8000 burst 1000
class class-default
drop
policy-map type inspect OUTSIDE-IN
class type inspect OUTSIDE-IN
inspect
class type inspect ICMP
inspect
police rate 8000 burst 1000
class class-default
drop
!
zone security inside
description *** INSIDE ZONE ***
zone security outside
description *** OUTSIDE ZONE ***
zone-pair security INSIDE-to-OUTSIDE source inside destination outside
service-policy type inspect INSIDE-OUT
zone-pair security OUTSIDE-IN source outside destination inside
service-policy type inspect OUTSIDE-IN
zone-pair security INSIDE-to-SELF source inside destination self
service-policy type inspect INSIDE-to-SELF
zone-pair security OUTSIDE-to-SELF source outside destination self
service-policy type inspect OUTSIDE-to-SELF
!
I will remove the firewall and see if the errors persist.
Thanks
