02-12-2017 12:43 PM - edited 03-05-2019 08:01 AM
I need some help, I have my web server on my DMZ interface, but that it doesn't have access to the internet. Unable to the get a ping from inside to the DMZ. Not sure what I am missing, my goal is to have access to the internet from the DMZ and my inside subnet access to the DMZ and Internet.
192.168.10.0/24 > Inside
192.168.12.0/28 > DMZ
IP setting on Web Server
192.168.12.2 > WebServer Connected directly to F0/3 on the ASA
255.255.255.250 > Netmask
192.168.10.1 > Gateway
ASA Version 9.1(6)
Current Config:
ASAHome# show run
: Saved
:
: Serial Number: JMX1302L1QL
: Hardware: ASA5510, 1024 MB RAM, CPU Pentium 4 Celeron 1600 MHz
:
ASA Version 9.1(6)
!
hostname ASAHome
domain-name twinkie710.ddns.net
enable password 7rhyV6SC2srI9RYo encrypted
xlate per-session deny tcp any4 any4
xlate per-session deny tcp any4 any6
xlate per-session deny tcp any6 any4
xlate per-session deny tcp any6 any6
xlate per-session deny udp any4 any4 eq domain
xlate per-session deny udp any4 any6 eq domain
xlate per-session deny udp any6 any4 eq domain
xlate per-session deny udp any6 any6 eq domain
passwd 2KFQnbNIdI.2KYOU encrypted
names
ip local pool VPNUsers 192.168.11.10-192.168.11.50 mask 255.255.255.192
!
interface Ethernet0/0
nameif outside
security-level 0
ip address dhcp setroute
!
interface Ethernet0/1
nameif inside
security-level 100
ip address 192.168.10.1 255.255.255.0
!
interface Ethernet0/2
nameif DMZ
security-level 0
ip address 192.168.12.1 255.255.255.240
!
interface Ethernet0/3
shutdown
no nameif
no security-level
no ip address
!
interface Management0/0
management-only
nameif management
security-level 100
ip address 192.168.11.1 255.255.255.252
!
boot system disk1:/asa916-k8.bin
ftp mode passive
clock timezone CST -6
clock summer-time CDT recurring
dns server-group DefaultDNS
name-server 192.168.10.15
name-server 8.8.8.8
name-server 4.2.2.2
name-server 8.8.4.4
domain-name twinkie710.ddns.net
same-security-traffic permit intra-interface
object network inside-subnet
subnet 192.168.10.0 255.255.255.0
object network dmz-subnet
subnet 192.168.12.0 255.255.255.240
object network webserver-external-ip
host 192.168.12.10
object network webserver
host 192.168.12.2
object network dns-server
host 192.168.10.15
object network LAN
subnet 192.168.10.0 255.255.255.0
object network DMZ
subnet 192.168.12.0 255.255.255.240
object network NETWORK_OBJ_192.168.11.0_26
subnet 192.168.11.0 255.255.255.192
object network VPNPOOL
subnet 192.168.11.0 255.255.255.192
access-list outside_acl extended permit tcp any object webserver eq www
access-list dmz_acl extended permit udp any object dns-server eq domain
access-list dmz_acl extended deny ip any object inside-subnet
access-list dmz_acl extended permit ip any any
pager lines 24
logging enable
logging asdm informational
mtu outside 1500
mtu inside 1500
mtu management 1500
mtu DMZ 1500
icmp unreachable rate-limit 1 burst-size 1
icmp deny any outside
asdm image disk0:/asdm-751.bin
asdm history enable
arp timeout 14400
no arp permit-nonconnected
nat (inside,outside) source static inside-subnet inside-subnet destination static VPNPOOL VPNPOOL no-proxy-arp route-lookup
!
object network inside-subnet
nat (inside,outside) dynamic interface
object network dmz-subnet
nat (DMZ,outside) dynamic interface
object network webserver
nat (DMZ,outside) static webserver-external-ip service tcp www www
!
nat (outside,outside) after-auto source dynamic VPNPOOL interface
access-group outside_acl in interface outside
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 icmp 0:00:02
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
dynamic-access-policy-record DfltAccessPolicy
user-identity default-domain LOCAL
aaa authentication ssh console LOCAL
http server enable
http 192.168.10.0 255.255.255.0 inside
snmp-server group Admins v3 priv
snmp-server host inside 192.168.10.11 community *****
snmp-server host inside 192.168.10.12 community *****
snmp-server host inside 192.168.10.2 community *****
snmp-server location Office
snmp-server contact Jonathan
snmp-server community *****
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec ikev1 transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-DES-MD5 esp-des esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac
crypto ipsec ikev1 transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
crypto ipsec ikev1 transform-set ESP-DES-SHA esp-des esp-sha-hmac
crypto ipsec ikev2 ipsec-proposal DES
protocol esp encryption des
protocol esp integrity sha-1 md5
crypto ipsec ikev2 ipsec-proposal 3DES
protocol esp encryption 3des
protocol esp integrity sha-1 md5
crypto ipsec ikev2 ipsec-proposal AES
protocol esp encryption aes
protocol esp integrity sha-1 md5
crypto ipsec ikev2 ipsec-proposal AES192
protocol esp encryption aes-192
protocol esp integrity sha-1 md5
crypto ipsec ikev2 ipsec-proposal AES256
protocol esp encryption aes-256
protocol esp integrity sha-1 md5
crypto ipsec security-association pmtu-aging infinite
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set pfs group1
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set ikev1 transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA ESP-3DES-MD5 ESP-DES-SHA ESP-DES-MD5
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set ikev2 ipsec-proposal AES256 AES192 AES 3DES DES
crypto map outside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP
crypto map outside_map interface outside
crypto map DMZ_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP
crypto map DMZ_map interface DMZ
crypto map inside_map 65535 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP
crypto map inside_map interface inside
crypto ca trustpool policy
crypto ikev2 policy 1
encryption aes-256
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 policy 10
encryption aes-192
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 policy 20
encryption aes
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 policy 30
encryption 3des
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 policy 40
encryption des
integrity sha
group 5 2
prf sha
lifetime seconds 86400
crypto ikev2 enable outside client-services port 443
crypto ikev1 enable outside
crypto ikev1 enable inside
crypto ikev1 enable DMZ
crypto ikev1 policy 10
authentication crack
encryption aes-256
hash sha
group 2
lifetime 86400
crypto ikev1 policy 20
authentication rsa-sig
encryption aes-256
hash sha
group 2
lifetime 86400
crypto ikev1 policy 30
authentication pre-share
encryption aes-256
hash sha
group 2
lifetime 86400
crypto ikev1 policy 40
authentication crack
encryption aes-192
hash sha
group 2
lifetime 86400
crypto ikev1 policy 50
authentication rsa-sig
encryption aes-192
hash sha
group 2
lifetime 86400
crypto ikev1 policy 60
authentication pre-share
encryption aes-192
hash sha
group 2
lifetime 86400
crypto ikev1 policy 70
authentication crack
encryption aes
hash sha
group 2
lifetime 86400
crypto ikev1 policy 80
authentication rsa-sig
encryption aes
hash sha
group 2
lifetime 86400
crypto ikev1 policy 90
authentication pre-share
encryption aes
hash sha
group 2
lifetime 86400
crypto ikev1 policy 100
authentication crack
encryption 3des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 110
authentication rsa-sig
encryption 3des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 120
authentication pre-share
encryption 3des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 130
authentication crack
encryption des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 140
authentication rsa-sig
encryption des
hash sha
group 2
lifetime 86400
crypto ikev1 policy 150
authentication pre-share
encryption des
hash sha
group 2
lifetime 86400
telnet timeout 5
ssh stricthostkeycheck
ssh 192.168.10.0 255.255.255.0 inside
ssh timeout 5
ssh version 2
ssh key-exchange group dh-group1-sha1
console timeout 0
management-access management
dhcpd address 192.168.10.50-192.168.10.200 inside
dhcpd dns 192.168.10.15 interface inside
dhcpd domain twinkie710.ddns.net interface inside
dhcpd enable inside
!
threat-detection basic-threat
threat-detection statistics
threat-detection statistics tcp-intercept rate-interval 30 burst-rate 400 average-rate 200
ntp server 38.229.71.1 source outside
ntp server 209.208.79.69 source outside
ntp server 108.59.2.24 source outside
ntp server 45.79.111.114 source outside prefer
group-policy VPN_Users internal
group-policy VPN_Users attributes
dns-server value 192.168.10.15 8.8.8.8
vpn-tunnel-protocol ikev1
split-tunnel-policy tunnelall
default-domain value twinkie710.ddns.net
split-tunnel-all-dns enable
username woodjl1650 password IYD1wu7sEjGmHAyj encrypted privilege 15
tunnel-group VPN_Users type remote-access
tunnel-group VPN_Users general-attributes
address-pool VPNUsers
default-group-policy VPN_Users
tunnel-group VPN_Users ipsec-attributes
ikev1 pre-shared-key *****
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
parameters
message-length maximum 512
policy-map global_policy
class inspection_default
inspect dns preset_dns_map
inspect ftp
inspect h323 h225
inspect h323 ras
inspect rsh
inspect rtsp
inspect esmtp
inspect sqlnet
inspect skinny
inspect sunrpc
inspect xdmcp
inspect sip
inspect netbios
inspect tftp
inspect ip-options
class class-default
user-statistics accounting
!
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
hpm topN enable
Cryptochecksum:e6125cf0a468ec6ad3f580aa3d861ffa
: end
Solved! Go to Solution.
02-20-2017 03:26 PM
Hi
I'm sorry I don't understand what you want to achieve.
If you're connected through VPN, you can access all your internal servers if you have added them into the split tunnel acl (if doing split tunneling) and create the nat exemption.
the nat exemption should look like:
nat (inside,outside) source static inside-subnet inside-subnet destination static VPNPOOL VPNPOOL no-proxy-arp route-lookup
If this wasn't your concern, please explain it again. Sorry for that.
Thanks
PS: Please don't forget to rate and mark as correct answer if this answered your question
02-13-2017 11:34 AM
02-13-2017 06:10 AM
I had to reboot the DMZ, and now it works. I am currently SSHing into it.
Finally config question. I want all my outside in HTTP/HTTPS traffic to go to 192.168.12.2, what do I need to port forward that?
So the DMZ with be accessible both from all inside subnets as well as access from outside.
02-13-2017 06:29 AM
If you want that all HTTP and HTTPS traffic going to your public IP is forwarded to your DMZ server, you need to do static nat:
object network webserver-HTTP
host 192.168.12.2
nat (DMZ,outside) static YOUR-PUBLIC-IP service tcp www www
object network webserver-HTTPS
host 192.168.12.2
nat (DMZ,outside) static YOUR-PUBLIC-IP service tcp https https
Thanks
PS: Please don't forget to rate and mark as correct answer if this answered your question
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