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06/25/2008 at 11:54AM PDT, ID: 23515723
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7.0

ASA 5505 Access Rules / NAT not allowing inbound traffic

Asked by ASGWichita in Cisco PIX Firewall, Networking Hardware Firewalls, Virtual Private Networking (VPN)

Tags: Cisco, ASA 5505, ASA 8.03, Connecting to Cable Modem 20Mbps dn 8Mbps up

I have a new ASA 5505 10 User appliance connecting a 20Mbps Cable Internet connection to the Internal network.  I have configured Access rules and NAT, but obviously do not have something right as the ASA is not passing http, https or smtp traffic to the internal server.  In a possibly related condition, I am able to authenticate the Client-Access VPN connection through the ASA, but cannot talk to anything inside over the connection.  Any feedback would be appreciated as this Windows/Mainframe guy is stumped....   config is below.

Notes:-----------------------------------------------------------------------------------------------------------------
X.X.X.A is the outside interface IP of the ASA  (Static IP)
X.X.X.B is another public IP address in our external range not directly assigned to an interface. (Static)

Presently, all services (http, https, smtp) are serviced by a single server at 192.168.0.51
Remote users will connect using Cisco VPN Client 5.x through Server 2008 NPS (RADIUS)
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: Saved
:
ASA Version 8.0(3) 
!
hostname ASGASA
domain-name asg.int
enable password ************ encrypted
names
!
interface Vlan1
 nameif inside
 security-level 100
 ip address 192.168.0.50 255.255.255.0 
!
interface Vlan2
 nameif outside
 security-level 0
 ip address X.X.X.A 255.255.255.224 
!
interface Ethernet0/0
 switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
passwd ********* encrypted
boot system disk0:/asa803-k8.bin
ftp mode passive
clock timezone CST -6
clock summer-time CDT recurring
dns domain-lookup inside
dns server-group DefaultDNS
 name-server 192.168.0.51
 domain-name asg.int
same-security-traffic permit intra-interface
access-list ASG_VPN_splitTunnelAcl extended permit ip 192.168.0.0 255.255.255.0 any 
access-list inside_outbound_nat0_acl extended permit ip 192.168.0.0 255.255.255.0 172.16.1.0 255.255.255.0 
access-list inside_outbound_nat0_acl extended permit ip any 172.16.1.0 255.255.255.0 
access-list outside_cryptomap_dyn_20 extended permit ip any 172.16.1.0 255.255.255.0 
access-list Outside_access_in extended permit tcp any host X.X.X.B eq smtp 
access-list Outside_access_in extended permit tcp any host X.X.X.B eq https 
access-list Outside_access_in extended permit tcp any host X.X.X.B eq www 
access-list Outside_access_in extended permit icmp any any echo-reply 
access-list ASG_VPN_splitTunnelAcl_1 standard permit any 
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
ip local pool IP_Pool 172.16.1.1-172.16.1.254
ip verify reverse-path interface outside
ip audit attack action alarm drop
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-603.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 0 access-list inside_outbound_nat0_acl
nat (inside) 1 0.0.0.0 0.0.0.0
static (inside,outside) X.X.X.B 192.168.0.51 netmask 255.255.255.255 
access-group Outside_access_in in interface outside
route outside 0.0.0.0 0.0.0.0 <GATEWAY IP> 1
timeout xlate 3:00:00
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 uauth 0:05:00 absolute
dynamic-access-policy-record DfltAccessPolicy
aaa-server RADIUS protocol radius
 accounting-mode simultaneous
aaa-server RADIUS host 192.168.0.51
 key ***********
http server enable
http 192.168.0.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-3DES-MD5 esp-3des esp-md5-hmac 
crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac 
crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac 
crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac 
crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac 
crypto ipsec transform-set ESP-AES-256-SHA esp-aes-256 esp-sha-hmac 
crypto ipsec transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac 
crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac 
crypto ipsec transform-set ESP-AES-128-MD5 esp-aes esp-md5-hmac 
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac 
crypto dynamic-map outside_dyn_map 20 match address outside_cryptomap_dyn_20
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-3DES-MD5
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set pfs 
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set 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 map outside_map 65534 ipsec-isakmp dynamic SYSTEM_DEFAULT_CRYPTO_MAP
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map interface outside
crypto isakmp enable outside
crypto isakmp policy 20
 authentication pre-share
 encryption 3des
 hash md5
 group 2
 lifetime 86400
crypto isakmp policy 40
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400
no crypto isakmp nat-traversal
telnet timeout 5
ssh timeout 5
ssh version 2
console timeout 0
management-access inside
 
threat-detection basic-threat
threat-detection statistics
webvpn
 enable outside
 svc image disk0:/anyconnect-win-2.2.0128-k9.pkg 1
 svc enable
 tunnel-group-list enable
group-policy SSLVPN internal
group-policy SSLVPN attributes
 dns-server value 192.168.0.51
 vpn-tunnel-protocol svc 
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value ASG_VPN_splitTunnelAcl
 default-domain value asg.int
 address-pools value IP_Pool
 webvpn
  svc keep-installer installed
  svc keepalive 60
  svc dpd-interval client 30
  svc dpd-interval gateway 30
group-policy ASG_VPN internal
group-policy ASG_VPN attributes
 dns-server value 192.168.0.51
 vpn-tunnel-protocol IPSec 
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value ASG_VPN_splitTunnelAcl_1
group-policy WebVPN internal
group-policy WebVPN attributes
 vpn-tunnel-protocol webvpn
username ASGAdmin password ************ encrypted privilege 15
 vpn-group-policy ASG_VPN
tunnel-group ASG_VPN type remote-access
tunnel-group ASG_VPN general-attributes
 address-pool IP_Pool
 default-group-policy ASG_VPN
tunnel-group ASG_VPN ipsec-attributes
 pre-shared-key ******
tunnel-group SSLVPN type remote-access
tunnel-group SSLVPN general-attributes
 address-pool IP_Pool
 authentication-server-group RADIUS LOCAL
 default-group-policy SSLVPN
tunnel-group SSLVPN webvpn-attributes
 group-alias SSLVPN enable
tunnel-group WebVPN type remote-access
tunnel-group WebVPN general-attributes
 address-pool IP_Pool
 authentication-server-group RADIUS LOCAL
 default-group-policy WebVPN
tunnel-group WebVPN webvpn-attributes
 group-alias WebVPN enable
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum 1028
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 icmp 
  inspect icmp error 
!
service-policy global_policy global
prompt hostname context 
Cryptochecksum:0677d64b89eabf0f07a3978587cb24c0
: end
asdm image disk0:/asdm-603.bin
asdm location 192.168.0.52 255.255.255.255 inside
asdm location 192.168.0.53 255.255.255.255 inside
no asdm history enable
Related Solutions: Cisco ASA not handling NAT traffic properly for internal web server
[+][-]06/25/08 02:41 PM, ID: 21870103

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[+][-]06/25/08 06:34 PM, ID: 21871160

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[+][-]06/26/08 06:59 AM, ID: 21874851

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[+][-]06/26/08 09:06 AM, ID: 21876167

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[+][-]06/30/08 01:32 PM, ID: 21902783

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About this solution

Zones: Cisco PIX Firewall, Networking Hardware Firewalls, Virtual Private Networking (VPN)
Tags: Cisco, ASA 5505, ASA 8.03, Connecting to Cable Modem 20Mbps dn 8Mbps up
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Solution Provided By: ASGWichita
Participating Experts: 2
Solution Grade: A
 
 
 
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