Cisco ASA 5505 Firewall Configuration Example

:
ASA Version 8.0(3)
!
hostname ASA5505
domain-name domain.local
enable password /z4VVuCaYOFObhYQ encrypted
no names
name 100.100.100.69 mail.domain.com
name 192.168.10.10 Server1
!
interface Vlan1
nameif inside
security-level 100
ip address 192.168.10.1 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
ip address 100.100.100.67 255.255.255.248
!
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 /z4VVr#aYOFObhYQ encrypted
boot system disk0:/asa803-k8.bin
ftp mode passive
dns server-group DefaultDNS
domain-name domain.local
object-group network Support_Network
network-object 210.210.210.0 255.255.255.128
object-group network Support_Mail_Network
network-object 240.240.240.0 255.255.248.0
object-group service Support_Ports tcp
port-object eq smtp
port-object eq 3389
access-list outside_access_in extended permit icmp object-group Support_Network any
access-list outside_access_in extended permit tcp any host 100.100.100.68 eq 3389
access-list outside_access_in extended permit tcp any host 100.100.100.69 eq 3389
access-list outside_access_in extended permit tcp any host 100.100.100.69 eq www
access-list outside_access_in extended permit tcp any host 100.100.100.69 eq https
access-list outside_access_in extended permit icmp any any
access-list outside_access_in extended permit tcp object-group Support_Mail_Network host 100.100.100.69 eq smtp
access-list outside_access_in extended permit tcp object-group Support_Network any object-group Support_Ports
access-list outside_access_in extended permit tcp any host 100.100.100.69 eq smtp
pager lines 24
logging buffered informational
logging asdm informational
mtu inside 1500
mtu outside 1500
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) 1 192.168.10.0 255.255.255.0
static (inside,outside) 100.100.100.68 192.168.10.20 netmask 255.255.255.255
static (inside,outside) 100.100.100.69 192.168.10.9 netmask 255.255.255.255
access-group outside_access_in in interface outside
route outside 0.0.0.0 0.0.0.0 100.100.100.65 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 Server1 protocol nt
aaa-server Server1 host 192.168.10.10
nt-auth-domain-controller Server1
aaa authentication ssh console LOCAL
aaa authentication enable console LOCAL
http server enable
http 192.168.10.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
telnet 192.168.10.0 255.255.255.255 inside
telnet timeout 5
ssh 192.168.10.0 255.255.255.0 inside
ssh 0.0.0.0 0.0.0.0 outside
ssh timeout 5
console timeout 0
management-access inside
threat-detection basic-threat
threat-detection scanning-threat shun
threat-detection statistics access-list
webvpn
enable outside
group-policy DfltGrpPolicy attributes
vpn-tunnel-protocol IPSec svc webvpn
group-policy VPNGroupPolicy internal
group-policy VPNGroupPolicy attributes
wins-server value 192.168.10.10
dns-server value 192.168.10.10
default-domain value domain.local
username admin1 password 7f2915/98KkXAA7e encrypted privilege 15
tunnel-group SSLVPN type remote-access
tunnel-group SSLVPN general-attributes
authentication-server-group server01
default-group-policy VPNGroupPolicy
dhcp-server 192.168.10.10
!
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
!
service-policy global_policy global
prompt hostname context
Cryptochecksum:4d212957779980659d004fae5e22bd25
: end
asdm image disk0:/asdm-603.bin
no asdm history enable

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