Yes I can ping without NAT Statement and all traffic is allowed over outside interface.
CiscoASA# show running-config
: Saved
: Hardware: ASAv, 2048 MB RAM, CPU Xeon E5 series 2499 MHz
:
ASA Version 9.8(4)
!
hostname CiscoASA
domain-name cisco.com
enable password $sha512$5000$6Ik+LZcW6mC0I7lTMti5sg==$ChN9qzqRwjAU4rL7E7rGDg== pbkdf2
passwd 2KFQnbNIdI.2KYOU encrypted
names
no mac-address auto
!
interface GigabitEthernet0/0
nameif Outside
security-level 0
ip address 41.41.41.1 255.255.255.252
!
interface GigabitEthernet0/1
nameif DMZ
security-level 0
ip address 31.31.31.1 255.255.255.252
!
interface GigabitEthernet0/2
nameif Inside
security-level 100
ip address 21.21.21.1 255.255.255.252
!
interface GigabitEthernet0/3
no nameif
no security-level
no ip address
!
interface GigabitEthernet0/3.90
vlan 90
nameif Inside01VLAN90
security-level 100
ip address 192.168.90.1 255.255.255.0
!
interface GigabitEthernet0/3.95
vlan 95
nameif Inside01VLAN95
security-level 100
ip address 192.168.95.1 255.255.255.0
!
interface GigabitEthernet0/4
shutdown
no nameif
no security-level
no ip address
!
interface GigabitEthernet0/5
shutdown
no nameif
no security-level
no ip address
!
interface GigabitEthernet0/6
shutdown
no nameif
no security-level
no ip address
!
interface Management0/0
shutdown
no nameif
no security-level
no ip address
!
ftp mode passive
dns server-group DefaultDNS
domain-name cisco.com
object network ToWeb
host 192.168.20.100
access-list OUT-IN extended permit ip any any log
access-list DMZ-IN extended permit tcp any any eq telnet log
pager lines 23
logging enable
mtu Outside 1500
mtu DMZ 1500
mtu Inside 1500
mtu Inside01VLAN90 1500
mtu Inside01VLAN95 1500
no failover
no monitor-interface service-module
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
no arp permit-nonconnected
arp rate-limit 8192
!
object network ToWeb
nat (Inside,Outside) static 41.41.41.100
access-group OUT-IN in interface Outside
access-group DMZ-IN in interface DMZ
router ospf 1
network 21.21.21.0 255.255.255.252 area 0
network 31.31.31.0 255.255.255.252 area 0
network 41.41.41.0 255.255.255.252 area 0
network 192.168.90.0 255.255.255.0 area 0
network 192.168.95.0 255.255.255.0 area 0
log-adj-changes
!
timeout xlate 3:00:00
timeout pat-xlate 0:00:30
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 sctp 0:02:00 icmp 0:00:50
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
timeout floating-conn 0:00:00
timeout conn-holddown 0:00:15
timeout igp stale-route 0:01:10
user-identity default-domain LOCAL
aaa authentication ssh console LOCAL
aaa authentication login-history
no snmp-server location
no snmp-server contact
crypto ipsec security-association pmtu-aging infinite
crypto ca trustpoint _SmartCallHome_ServerCA
no validation-usage
crl configure
crypto ca trustpool policy
auto-import
crypto ca certificate chain _SmartCallHome_ServerCA
certificate ca 0509
++++++++ommitted ++++++++
telnet 0.0.0.0 0.0.0.0 Outside
telnet 0.0.0.0 0.0.0.0 DMZ
telnet 0.0.0.0 0.0.0.0 Inside
telnet timeout 5
ssh stricthostkeycheck
ssh 0.0.0.0 0.0.0.0 Outside
ssh 0.0.0.0 0.0.0.0 DMZ
ssh 0.0.0.0 0.0.0.0 Inside
ssh timeout 5
ssh key-exchange group dh-group1-sha1
console timeout 0
management-access Outside
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
dynamic-access-policy-record DfltAccessPolicy
username admin password $sha512$5000$XQ6ij0p+VgloLh9ZMHJUdA==$Xmw3QxWCgxseE6G/EJNJOw== pbkdf2
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
parameters
message-length maximum client auto
message-length maximum 512
no tcp-inspection
policy-map global_policy
class inspection_default
inspect ip-options
inspect netbios
inspect rtsp
inspect sunrpc
inspect tftp
inspect xdmcp
inspect dns preset_dns_map
inspect ftp
inspect h323 h225
inspect h323 ras
inspect rsh
inspect esmtp
inspect sqlnet
inspect sip
inspect skinny
inspect icmp
policy-map type inspect dns migrated_dns_map_2
parameters
message-length maximum client auto
message-length maximum 512
no tcp-inspection
policy-map type inspect dns migrated_dns_map_1
parameters
message-length maximum client auto
message-length maximum 512
no tcp-inspection
!
service-policy global_policy global
prompt hostname context
no call-home reporting anonymous
call-home
profile CiscoTAC-1
no active
destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService
destination address email callhome@cisco.com
destination transport-method http
subscribe-to-alert-group diagnostic
subscribe-to-alert-group environment
subscribe-to-alert-group inventory periodic monthly
subscribe-to-alert-group configuration periodic monthly
subscribe-to-alert-group telemetry periodic daily
profile License
destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService
destination transport-method http
Cryptochecksum:fca88e70e3413480a191a9ad1357e06a
: end
CiscoASA#
**************
with NAT it is dropped.
CiscoASA# packet-tracer input outside icmp 10.10.44.100 0 8 192.168.20.100
Phase: 1
Type: ROUTE-LOOKUP
Subtype: Resolve Egress Interface
Result: ALLOW
Config:
Additional Information:
found next-hop 21.21.21.2 using egress ifc Inside
Phase: 2
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group OUT-IN in interface Outside
access-list OUT-IN extended permit ip any any log
Additional Information:
Phase: 3
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Phase: 4
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Phase: 5
Type: INSPECT
Subtype: np-inspect
Result: ALLOW
Config:
class-map inspection_default
match default-inspection-traffic
policy-map global_policy
class inspection_default
inspect icmp
service-policy global_policy global
Additional Information:
Phase: 6
Type: QOS
Subtype:
Result: ALLOW
Config:
Additional Information:
Phase: 7
Type: INSPECT
Subtype: np-inspect
Result: ALLOW
Config:
Additional Information:
Phase: 8
Type: NAT
Subtype: rpf-check
Result: DROP
Config:
object network ToWeb
nat (Inside,Outside) static 41.41.41.41
Additional Information:
Result:
input-interface: Outside
input-status: up
input-line-status: up
output-interface: Inside
output-status: up
output-line-status: up
Action: drop
Drop-reason: (acl-drop) Flow is denied by configured rule
************************************************
with NAT it is dropped .
CiscoASA# packet-tracer input outside icmp 10.10.44.100 0 8 ?
<0-65535> Enter the icmp identifier
A.B.C.D Enter the destination ipv4 address
fqdn Enter this keyword if an FQDN is specified as destination
address
security-group Enter this keyword if a security group is specified as
destination address
CiscoASA# packet-tracer input outside icmp 10.10.44.100 0 8 192.168.20.100
Phase: 1
Type: ACCESS-LIST
Subtype:
Result: ALLOW
Config:
Implicit Rule
Additional Information:
MAC Access list
Phase: 2
Type: ROUTE-LOOKUP
Subtype: Resolve Egress Interface
Result: ALLOW
Config:
Additional Information:
found next-hop 21.21.21.2 using egress ifc Inside
Phase: 3
Type: ACCESS-LIST
Subtype: log
Result: ALLOW
Config:
access-group OUT-IN in interface Outside
access-list OUT-IN extended permit ip any any log
Additional Information:
Phase: 4
Type: NAT
Subtype: per-session
Result: ALLOW
Config:
Additional Information:
Phase: 5
Type: IP-OPTIONS
Subtype:
Result: ALLOW
Config:
Additional Information:
Phase: 6
Type: INSPECT
Subtype: np-inspect
Result: ALLOW
Config:
class-map inspection_default
match default-inspection-traffic
policy-map global_policy
class inspection_default
inspect icmp
service-policy global_policy global
Additional Information:
Phase: 7
Type: QOS
Subtype:
Result: ALLOW
Config:
Additional Information:
Phase: 8
Type: INSPECT
Subtype: np-inspect
Result: ALLOW
Config:
Additional Information:
Phase: 9
Type: FLOW-CREATION
Subtype:
Result: ALLOW
Config:
Additional Information:
New flow created with id 22, packet dispatched to next module
Result:
input-interface: Outside
input-status: up
input-line-status: up
output-interface: Inside
output-status: up
output-line-status: up
Action: allow
*************************************
