Can’t access internal web server from outside through ASA 5505
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Jonallen.
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paulinoMemberJul 12, 2011 at 11:33 am #155446Hi everyone,
Can anybody please help me out with my asa 5505 configuration. I have made several attempt trying to get vpn working for external users to access our internal web server but all my effort seems not giving positive result. I resulted to this solution- leaving the server on the inside network and permitting only http access to it form the internet but this also seems not working.I have created a static nat that maps the private address of the server 192.168.0.1 to the public address from our isp (the same address asigned to the outside interface ) and created a acl entry for http inflow to both public and private address of the server.
Here is the sh run from cli
ASA Version 7.2(4)
!
hostname ASA
domain-name asa.com
enable password 8Ry2YjIyt7RRXU24 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
name 192.168.0.1 WEB_SERVER_private
name 1.2.3.4 WEB_SERVER_public
!
interface Vlan1
nameif inside
security-level 100
ip address 192.168.0.21 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
ip address WEB_SERVER_public 255.255.255.192
!
interface Vlan3
shutdown
no forward interface Vlan1
nameif dmz
security-level 50
no ip address
!
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
!
!
time-range 12noon-to-11pm
periodic daily 12:00 to 23:00
!
time-range 4pm-to-11pm
periodic daily 16:00 to 23:00
!
time-range 8am-to-4pm
periodic daily 8:00 to 16:00
!
ftp mode passive
clock timezone CEST 1
clock summer-time CEDT recurring last Sun Mar 2:00 last Sun Oct 3:00
dns server-group DefaultDNS
domain-name ORG-gateway.com
same-security-traffic permit inter-interface
same-security-traffic permit intra-interface
object-group network ACCOUNT1-PCs
network-object host 192.168.0.27
network-object host 192.168.0.34
object-group network ACCOUNT2-PCs
network-object host 192.168.0.28
network-object host 192.168.0.31
network-object host 192.168.0.32
network-object host 192.168.0.33
object-group network ADIMN
network-object host 192.168.0.48
object-group network MARKETING-PCs
description Collection of IP addresses asigned to marketing workstations
network-object host 192.168.0.61
network-object host 192.168.0.62
network-object host 192.168.0.95
network-object host 192.168.0.96
network-object host 192.168.0.98
network-object host 192.168.0.99
object-group network WRITER1
network-object host 192.168.0.36
network-object host 192.168.0.37
object-group network WRITER2
network-object host 192.168.0.40
network-object host 192.168.0.42
network-object host 192.168.0.43
network-object host 192.168.0.44
object-group network DM_INLINE_NETWORK_1
group-object ACCOUNT2-PCs
group-object ADIMN
group-object MARKETING-PCs
group-object WRITER1
group-object WRITER2
access-list outside_access_in extended permit tcp any host WEB_SERVER_public eq www log disable
access-list ORG-GROUP_splitTunnelAcl standard permit any
access-list outside_access_out extended deny ip object-group ACCOUNT1-PCs any time-range 12noon-to-11pm
access-list outside_access_out extended deny ip object-group DM_INLINE_NETWORK_1 any time-range 8am-to-4pm
access-list outside_access_out extended permit ip any any
pager lines 24
logging asdm informational
mtu outside 1500
mtu inside 1500
mtu dmz 1500
icmp unreachable rate-limit 1 burst-size 1
asdm image disk0:/asdm-524.bin
no asdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0
static (inside,outside) tcp interface www WEB_SERVER_private www netmask 255.255.255.255
access-group outside_access_in in interface outside
access-group outside_access_out out interface outside
route outside 0.0.0.0 0.0.0.0 41.75.199.65 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 sip-provisional-media 0:02:00 uauth 0:05:00 absolute
http server enable
http 192.168.0.0 255.255.255.0 inside
http 192.168.1.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec transform-set ESP-DES-SHA esp-des esp-sha-hmac
crypto dynamic-map outside_dyn_map 20 set transform-set ESP-DES-SHA
crypto map outside_map 65535 ipsec-isakmp dynamic outside_dyn_map
crypto map outside_map interface outside
crypto isakmp enable outside
crypto isakmp policy 10
authentication pre-share
encryption des
hash sha
group 2
lifetime 86400
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd auto_config outside
!
dhcpd address 192.168.0.100-192.168.0.130 inside
dhcpd dns 217.117.0.35 217.117.15.106 interface inside
dhcpd domain ORG.com interface inside
dhcpd enable inside
!
username cisco password 3USUcOPFUiMCO4Jk encrypted privilege 15
username ORG password Q/zjZIOUziicgEHF encrypted privilege 15
!
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:2c346952ea323d330a9a49ff8619b6ff
: end
asdm image disk0:/asdm-524.bin
no asdm history enable
I don’t know what can be wrong here
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