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06.06.2008 at 09:21AM PDT, ID: 23464258
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7.4

Cisco ASA ACL seems ignored

Asked by Nstein in Networking Hardware Firewalls, Cisco PIX Firewall

Tags: , ,

Hi guys,

I'm as green as they come in terms of networking.

I had a Cisco ASA 5510 with three interfaces connected: "inside", "outside" and "dmz". They were all configured all right, and the ASA has been running fine for a while now.

Now, i'm trying to add a fourth interface called "inside-admin". It has the same security level (100) as the "inside" interface. Since the DHCP server sits on the inside-network, configured DHCP relay information, and when connecting to my new network, "inside-admin-network", DHCP works fine.

However, all my outgoing traffic gets blocked. The ACL, of course, has the obvious implicit deny rule, so just to test it, i added a "any any ip permit" rule (sorry for the syntax, i'm not familiar enough with the command line and use ASDM). All the traffic leaving the inside-admin-network still gets blocked.

Running the "packet tracer" in ASDM with an ip from the inside-admin-network to the inside-network always fails and points out that the implicit deny on the inteface "inside-admin" is to blame.

What am i doing wrong?

Here are some portions of my config file:

: Saved
: Written by enable_15 at 11:58:00.765 EDT Fri Jun 6 2008
!
ASA Version 8.0(2)
!
hostname ciscoasa
domain-name nsteind
enable password L/AZ7kcMDfzQWbXG encrypted
names
!
interface Ethernet0/0
 nameif outside
 security-level 0
 ip address 206.162.145.2 255.255.255.192
 ospf cost 10
!
interface Ethernet0/1
 description Administration
 nameif inside-admin
 security-level 100
 ip address 172.20.0.2 255.255.255.0
 ospf cost 10
!
interface Ethernet0/2
 nameif dmz
 security-level 50
 ip address 192.168.0.1 255.255.255.0
 ospf cost 10
!
interface Ethernet0/3
 nameif inside
 security-level 100
 ip address 172.18.0.2 255.255.0.0
 ospf cost 10
!
passwd 2KFQnbNIdI.2KYOU encrypted
boot system disk0:/asa802-k8.bin
ftp mode passive
clock timezone EST -5
clock summer-time EDT recurring
dns server-group DefaultDNS
 domain-name nsteind
object-group service DM_INLINE_SERVICE_1
 service-object tcp-udp eq 3389
 service-object tcp eq www
 service-object tcp eq https
 service-object tcp-udp range 3389 3393
object-group service RDP tcp-udp
 description Remote Desktop Procedure
 port-object range 3389 3393
object-group service DM_INLINE_TCP_3 tcp
 port-object eq www
 port-object eq https
object-group network Service-Hosting-192.168.0.75
 description serveur heberger sur le 192.168.0.75
 network-object host 206.162.145.10
 network-object host 206.162.145.11
 network-object host 206.162.145.3
 network-object host 206.162.145.8
 network-object host 206.162.145.12
object-group service DM_INLINE_TCP_4 tcp
 port-object eq www
 port-object eq https
object-group icmp-type DM_INLINE_ICMP_1
 icmp-object echo
 icmp-object echo-reply
object-group service DM_INLINE_TCP_5 tcp
 port-object eq https
 port-object eq smtp
 port-object eq 3101
object-group service DM_INLINE_TCP_7 tcp
 port-object eq ftp
 port-object eq ftp-data
object-group service DM_INLINE_TCP_6 tcp
 port-object eq 8080
 port-object eq www
object-group service DM_INLINE_TCP_2 tcp
 port-object eq www
 port-object eq https
object-group service DM_INLINE_TCP_14 tcp
 port-object eq ftp
 port-object eq www
 port-object eq https
 port-object eq ssh
object-group service DM_INLINE_TCP_16 tcp
 port-object eq https
 port-object eq ssh
 port-object eq www
object-group service DM_INLINE_TCP_13 tcp
 port-object eq 3101
 port-object eq www
 port-object eq https
object-group service DM_INLINE_TCP_8 tcp
 port-object eq www
 port-object eq https
object-group service DM_INLINE_TCP_1 tcp
 port-object eq 3306
 port-object eq www
object-group network DM_INLINE_NETWORK_1
 network-object host 216.139.219.175
 network-object host 38.102.67.12
access-list vpn-split standard permit 172.18.0.0 255.255.0.0
access-list vpn-split standard permit 192.168.0.0 255.255.255.0
access-list outside_access_in extended permit tcp any object-group Service-Hosting-192.168.0.75 object-group DM_INLINE_TCP_4 inactive
access-list outside_access_in remark Time Sheet
access-list outside_access_in extended permit tcp any host 206.162.145.25 object-group DM_INLINE_TCP_2
access-list outside_access_in remark Testdrive
access-list outside_access_in extended permit tcp any host 206.162.145.32 object-group DM_INLINE_TCP_3
access-list outside_access_in remark NS Legallinks
access-list outside_access_in extended permit tcp any host 206.162.145.36 object-group DM_INLINE_TCP_7
access-list outside_access_in remark Barracuda
access-list outside_access_in extended permit tcp any host 206.162.145.22 object-group DM_INLINE_TCP_5
access-list outside_access_in remark condenast
access-list outside_access_in extended permit tcp any host 206.162.145.14 eq www
access-list outside_access_in extended permit tcp any host 206.162.145.21 eq www
access-list outside_access_in remark VMGPHINDEV2
access-list outside_access_in remark GPHINS4
access-list outside_access_in extended permit tcp any host 206.162.145.35 object-group DM_INLINE_TCP_16
access-list outside_access_in remark GPHINS3- AFTM
access-list outside_access_in extended permit tcp any host 206.162.145.39 object-group DM_INLINE_TCP_6
access-list outside_access_in remark Confluence
access-list outside_access_in extended permit tcp any host 206.162.145.50 object-group DM_INLINE_TCP_14
access-list outside_access_in extended permit tcp any host 206.162.145.13 range 40000 40010
access-list outside_access_in remark alis Web site
access-list outside_access_in extended permit tcp object-group DM_INLINE_NETWORK_1 host 206.162.145.17 eq ldaps
access-list outside_access_in remark Webfactor (AskNstein)
access-list outside_access_in extended permit tcp any host 206.162.145.30 eq https
access-list outside_access_in remark Canoe DAM
access-list outside_access_in extended permit tcp any host 206.162.145.8 object-group DM_INLINE_TCP_8
access-list outside_access_in remark Exchange
access-list outside_access_in extended permit tcp any host 206.162.145.29 object-group DM_INLINE_TCP_13
access-list outside_access_in remark alis Web site
access-list outside_access_in extended permit tcp any host 206.162.145.34 object-group DM_INLINE_TCP_1
access-list outside_access_in remark alis Web site
access-list outside_access_in extended permit icmp any any object-group DM_INLINE_ICMP_1
access-list outside_access_in remark alis Web site
access-list nonat extended permit ip 172.18.0.0 255.255.0.0 192.168.0.0 255.255.255.0
access-list nonat extended permit ip any 172.100.0.0 255.255.255.0
access-list nonat extended permit ip 172.18.0.0 255.255.0.0 172.19.0.0 255.255.255.0
access-list nonat extended permit ip 192.168.1.0 255.255.255.0 172.19.0.0 255.255.255.0
access-list vpn extended permit ip 172.18.0.0 255.255.0.0 172.19.0.0 255.255.255.0
access-list vpn extended permit ip 192.168.1.0 255.255.255.0 172.19.0.0 255.255.255.0
access-list dmz_nat0_outbound extended permit ip any 172.100.0.0 255.255.255.0
access-list dmz_access_in extended permit tcp host 192.168.0.5 host 172.18.0.22 eq smtp
access-list dmz_access_in extended deny ip any 172.18.0.0 255.255.0.0
access-list dmz_access_in extended permit ip any any
access-list inside-admin_access_in extended permit ip any any
access-list inside-admin_nat0_outbound extended permit ip any 172.18.0.0 255.255.0.0
access-list inside-admin_nat0_outbound extended permit ip any 192.168.0.0 255.255.255.0
no pager
logging enable
logging buffered debugging
logging asdm informational
mtu outside 1500
mtu inside-admin 1500
mtu dmz 1500
mtu inside 1500
mtu management 1500
ip local pool VPN-Pool 172.100.0.100-172.100.0.200 mask 255.255.255.0
no failover
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-602.bin
no asdm history enable
arp timeout 14400
nat-control
global (outside) 1 interface
nat (inside-admin) 0 access-list inside-admin_nat0_outbound
nat (inside-admin) 1 0.0.0.0 0.0.0.0
nat (dmz) 0 access-list dmz_nat0_outbound
nat (inside) 0 access-list nonat
nat (inside) 1 0.0.0.0 0.0.0.0
static (dmz,outside) 206.162.145.13 192.168.0.151 netmask 255.255.255.255
static (inside,outside) 206.162.145.16 172.18.90.1 netmask 255.255.255.255
static (dmz,outside) 206.162.145.18 192.168.0.100 netmask 255.255.255.255
static (inside,outside) 206.162.145.19 172.18.0.52 netmask 255.255.255.255
static (dmz,outside) 206.162.145.20 192.168.0.125 netmask 255.255.255.255
static (dmz,outside) 206.162.145.21 192.168.0.30 netmask 255.255.255.255
static (dmz,outside) 206.162.145.36 192.168.0.55 netmask 255.255.255.255
static (dmz,outside) 206.162.145.23 192.168.0.159 netmask 255.255.255.255
static (inside,outside) 206.162.145.29 172.18.0.22 netmask 255.255.255.255
static (inside,outside) 206.162.145.30 172.18.0.42 netmask 255.255.255.255
static (inside,outside) 206.162.145.39 172.18.10.13 netmask 255.255.255.255
static (inside,outside) 206.162.145.50 172.18.0.175 netmask 255.255.255.255
static (inside,outside) 206.162.145.22 172.18.0.241 netmask 255.255.255.255
static (inside,outside) 206.162.145.14 172.18.30.10 netmask 255.255.255.255
static (inside,outside) 206.162.145.32 172.18.10.14 netmask 255.255.255.255
static (inside,outside) 206.162.145.35 172.18.25.1 netmask 255.255.255.255
static (inside,outside) 206.162.145.15 172.18.0.20 netmask 255.255.255.255
static (inside,outside) 206.162.145.8 172.18.1.97 netmask 255.255.255.255
static (inside,outside) 206.162.145.17 172.18.0.8 netmask 255.255.255.255
static (inside,outside) 206.162.145.33 172.18.0.166 netmask 255.255.255.255
static (inside,outside) 206.162.145.34 172.18.4.24 netmask 255.255.255.255
static (inside,outside) 206.162.145.25 172.18.3.222 netmask 255.255.255.255
access-group outside_access_in in interface outside
access-group inside-admin_access_in in interface inside-admin
access-group dmz_access_in in interface dmz
route outside 0.0.0.0 0.0.0.0 206.162.145.1 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
management-access inside
dhcp-client client-id interface inside-admin
dhcprelay server 172.18.0.8 inside
dhcprelay enable inside-admin
dhcprelay timeout 60
threat-detection basic-threat
threat-detection statistics
!
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 sqlnet
  inspect skinny  
  inspect sunrpc
  inspect xdmcp
  inspect sip  
  inspect netbios
  inspect tftp
!
service-policy global_policy global
ntp server 199.212.17.21 source outside prefer
ntp server 199.212.17.22 source outside prefer
ntp server 132.246.168.164 source outside prefer


Thank you very much for your help!Start Free Trial
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About this solution

Zones: Networking Hardware Firewalls, Cisco PIX Firewall
Tags: Cisco, ASA, 5510
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Solution Provided By: spexp
Participating Experts: 1
Solution Grade: A
 
 
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