Question

asa 5510 configuration

Asked by: Hahaciok

Hi,

First sorry for bad English

We have old Cisco 2600 series router and have purchased ASA 5510. Now I want to replace router with ASA, but cannot... When I test ASA 5510 in test environment, it seems as if everything is fine, but when I connect to a real environment, that's what happens:

1. As you can see from my network diagram, our LAN address range is 172.30.16.0/24, all users go to the Internet through a proxy server (172.30.16.253), my computer goes directly to the Internet. Now when I connect ASA 5510 to a real environment, when I try to access the web directly nothing happens, I cannot ping website, the dns is not reachable, but proxy server can reach dns server(but very slow), and users can surf the Internet. Log show nothing shows, except, when I turn on skype, log show portmap translation failed for my ip address...

2. Mail server cannot reach DNS server, ping anything and s.o. Packet tracer shows, that packets must go correctly...

I dont understand, what is wrong, because, as I say, in test environment everything is ok, but in real....

Any ideas, how to solve my problem?

object-group service DM_INLINE_SERVICE_1
 service-object tcp eq domain 
 service-object udp eq domain 
 service-object tcp eq www 
 service-object tcp eq https 
 service-object tcp eq smtp 
 service-object icmp 
 service-object icmp echo
 service-object icmp echo-reply
object-group service DM_INLINE_SERVICE_2
 service-object tcp eq domain 
 service-object udp eq domain 
object-group service DM_INLINE_TCP_1 tcp
 port-object eq www
 port-object eq https
 port-object eq smtp
object-group network DM_INLINE_NETWORK_1
 network-object host xx.xx.81.19
 network-object host xx.xx.81.20
access-list LAN_nat0_out extended permit ip 172.30.16.0 255.255.255.0 192.168.4.0 255.255.255.0 
access-list LAN_nat0_out extended permit ip 172.30.16.0 255.255.255.0 192.168.1.0 255.255.255.0 
access-list MAIL_nat0_out extended permit ip 192.168.4.0 255.255.255.0 172.30.16.0 255.255.255.0 
access-list MAIL_nat0_out extended permit ip 192.168.4.0 255.255.255.0 192.168.1.0 255.255.255.0 
access-list WAN_access_in extended permit ip object-group DM_INLINE_NETWORK_1 any 
access-list WAN_access_in extended permit tcp any host xx.xx.66.19 eq www 
access-list WAN_access_in extended permit tcp any host xx.xx.66.20 object-group DM_INLINE_TCP_1 
access-list WAN_access_in extended permit tcp any host xx.xx.66.20 gt 10000 
access-list MAIL_access_in extended permit ip 192.168.4.0 255.255.255.0 172.30.16.0 255.255.255.0 
access-list MAIL_access_in extended permit object-group DM_INLINE_SERVICE_1 192.168.4.0 255.255.255.0 any inactive 
access-list MAIL_access_in extended permit ip any any 
access-list WWW_nat0_outbound extended permit ip 192.168.1.0 255.255.255.0 172.30.16.0 255.255.255.0 
access-list WWW_access_in extended permit ip host 192.168.1.1 host 172.30.16.207 
access-list WWW_access_in extended permit object-group DM_INLINE_SERVICE_2 host 192.168.1.1 host 172.30.16.230 
access-list WWW_nat0_outbound_1 extended permit ip 192.168.1.0 255.255.255.0 192.168.4.0 255.255.255.0 
pager lines 24
logging enable
logging trap debugging
logging asdm informational
mtu WAN 1500
mtu LAN 1500
mtu WWW 1500
mtu MAIL 1500
mtu management 1500
no failover
icmp unreachable rate-limit 1 burst-size 1
icmp permit any WAN
icmp permit any LAN
icmp permit any WWW
icmp permit any MAIL
asdm image disk0:/asdm-613.bin
no asdm history enable
arp timeout 14400
nat-control
global (WAN) 101 xx.xx.66.21-xx.xx.66.22 netmask 255.255.255.248
global (WWW) 101 xx.xx.66.19 netmask 255.255.255.248
global (MAIL) 101 xx.xx.66.20 netmask 255.255.255.248
nat (LAN) 0 access-list LAN_nat0_out
nat (LAN) 101 0.0.0.0 0.0.0.0
nat (WWW) 0 access-list WWW_nat0_outbound_1
nat (WWW) 0 access-list WWW_nat0_outbound outside
nat (MAIL) 0 access-list MAIL_nat0_out
nat (MAIL) 101 192.168.4.3 255.255.255.255
static (LAN,WAN) tcp interface www 172.30.16.231 www netmask 255.255.255.255 
static (LAN,WAN) tcp interface ftp 172.30.16.231 ftp netmask 255.255.255.255 
static (LAN,WAN) tcp interface 8080 172.30.16.217 8080 netmask 255.255.255.255 
static (MAIL,WAN) tcp xx.xx.66.20 smtp 192.168.4.3 smtp netmask 255.255.255.255 
static (WWW,WAN) xx.xx.66.19 192.168.1.1 netmask 255.255.255.255 
static (MAIL,WAN) xx.xx.66.20 192.168.4.1 netmask 255.255.255.255 
access-group WAN_access_in in interface WAN
access-group WWW_access_in in interface WWW
access-group MAIL_access_in in interface MAIL
route WAN 0.0.0.0 0.0.0.0 xx.xx.66.17 1
route LAN 172.30.16.0 255.255.255.0 192.168.200.254 1
route LAN 192.168.101.0 255.255.255.0 192.168.200.254 1
 
 
Part of log:
 
3|Oct 30 2009|14:30:06|305006|82.128.187.109|58428|||portmap translation creation failed for tcp src LAN:172.30.16.207/8000 dst WAN:82.128.187.109/58428
3|Oct 30 2009|14:30:06|305006|213.100.51.213|443|||portmap translation creation failed for tcp src LAN:172.30.16.207/7999 dst WAN:213.100.51.213/443
3|Oct 30 2009|14:30:06|305006|84.112.146.184|80|||portmap translation creation failed for tcp src LAN:172.30.16.207/7998 dst WAN:84.112.146.184/80
3|Oct 30 2009|14:30:06|305006|85.11.219.194|80|||portmap translation creation failed for tcp src LAN:172.30.16.207/7997 dst WAN:85.11.219.194/80
3|Oct 30 2009|14:30:06|305006|81.225.88.54|80|||portmap translation creation failed for tcp src LAN:172.30.16.207/7996 dst WAN:81.225.88.54/80
3|Oct 30 2009|14:30:06|305006|193.10.218.219|80|||portmap translation creation failed for tcp src LAN:172.30.16.207/7995 dst WAN:193.10.218.219/80
3|Oct 30 2009|14:30:06|305006|84.115.2.141|80|||portmap translation creation failed for tcp src LAN:172.30.16.207/7994 dst WAN:84.115.2.141/80
3|Oct 30 2009|14:30:06|305006|213.100.51.213|50131|||portmap translation creation failed for tcp src LAN:172.30.16.207/7993 dst WAN:213.100.51.213/50131
3|Oct 30 2009|14:30:06|305006|84.112.146.184|443|||portmap translation creation failed for tcp src LAN:172.30.16.207/7992 dst WAN:84.112.146.184/443
3|Oct 30 2009|14:30:06|305006|85.11.219.194|443|||portmap translation creation failed for tcp src LAN:172.30.16.207/7991 dst WAN:85.11.219.194/443
3|Oct 30 2009|14:30:06|305006|81.225.88.54|443|||portmap translation creation failed for tcp src LAN:172.30.16.207/7990 dst WAN:81.225.88.54/443
3|Oct 30 2009|14:30:06|305006|193.10.218.219|443|||portmap translation creation failed for tcp src LAN:172.30.16.207/7989 dst WAN:193.10.218.219/443
3|Oct 30 2009|14:30:06|305006|84.115.2.141|443|||portmap translation creation failed for tcp src LAN:172.30.16.207/7988 dst WAN:84.115.2.141/443
3|Oct 30 2009|14:30:06|305006|80.244.73.123|80|||portmap translation creation failed for tcp src LAN:172.30.16.207/7987 dst WAN:80.244.73.123/80

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Network.JPG
- 50 KB
network diagram

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Asked On: 2009-10-30 at 05:56:00ID24857885
Tags: asa 5510
,; nat
Topics: Cisco PIX Firewall
,; Network Routers
Participating Experts: 2
Points: 250
Comments: 6

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Answers

by: ikalmarPosted on 2009-10-30 at 06:32:05ID: 25702734

Hi,

it seems that you missed the global paramteres:

global (WAN) 101 xx.xx.66.21-xx.xx.66.22 netmask 255.255.255.248
global (WWW) 101 xx.xx.66.19 netmask 255.255.255.248
global (MAIL) 101 xx.xx.66.20 netmask 255.255.255.248

only one need, whis is the ouside leg?

Coluld ylu show me the whoel config?

Best regards,
Istvan

by: DonbooPosted on 2009-10-30 at 13:07:48ID: 25706376

If you have access through the ASA in your test enviroment It might be ARP timeout on the ISP equipment the fools you here. When you switch the next time call your ISP and get them to clear the arp table on their equipment.

by: HahaciokPosted on 2009-11-01 at 01:13:50ID: 25712978

ikalmar:
Hi,

it seems that you missed the global paramteres:

global (WAN) 101 xx.xx.66.21-xx.xx.66.22 netmask 255.255.255.248
global (WWW) 101 xx.xx.66.19 netmask 255.255.255.248
global (MAIL) 101 xx.xx.66.20 netmask 255.255.255.248

only one need, whis is the ouside leg?

Coluld ylu show me the whoel config?

Best regards,
Istvan

ikalmar thanks for reply, but look at 54,55,56 lines, there is global parameters...

by: HahaciokPosted on 2009-11-01 at 01:23:04ID: 25713000

Donboo:
If you have access through the ASA in your test enviroment It might be ARP timeout on the ISP equipment the fools you here. When you switch the next time call your ISP and get them to clear the arp table on their equipment.

Thank you for reply, ok will try to speak my ISP... We will see, what will happen :)

by: ikalmarPosted on 2009-11-01 at 01:28:49ID: 25713010

which leg is the outside leg???

by: HahaciokPosted on 2009-11-01 at 21:45:30ID: 25717246

ikalmar:
which leg is the outside leg???

Thank you for reply, outside leg is WAN, if I correctly understand your question...

For clarity I attached ASA configuration...

: Saved
: Written by enable_15 at 15:40:31.079 EET Fri Oct 30 2009
!
ASA Version 8.0(4) 
!
hostname ciscoasa
domain-name xxxx.xxx
enable password arEI74q746V0xVf7 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
!
interface Ethernet0/0
 nameif WAN
 security-level 0
 ip address xx.xx.66.18 255.255.255.248 
!
interface Ethernet0/1
 nameif LAN
 security-level 99
 ip address 192.168.200.254 255.255.255.0 
!
interface Ethernet0/2
 nameif WWW
 security-level 50
 ip address 192.168.1.254 255.255.255.0 
!
interface Ethernet0/3
 description DMZ-MAIL
 nameif MAIL
 security-level 49
 ip address 192.168.4.254 255.255.255.0 
!
interface Management0/0
 nameif management
 security-level 100
 ip address 192.168.10.1 255.255.255.0 
 management-only
!
ftp mode passive
clock timezone EET 2
dns server-group DefaultDNS
 domain-name xxxx.xxx
object-group service DM_INLINE_SERVICE_1
 service-object tcp eq domain 
 service-object udp eq domain 
 service-object tcp eq www 
 service-object tcp eq https 
 service-object tcp eq smtp 
 service-object icmp 
 service-object icmp echo
 service-object icmp echo-reply
object-group service DM_INLINE_SERVICE_2
 service-object tcp eq domain 
 service-object udp eq domain 
object-group service DM_INLINE_TCP_1 tcp
 port-object eq www
 port-object eq https
 port-object eq smtp
object-group network DM_INLINE_NETWORK_1
 network-object host xx.xx.81.19
 network-object host xx.xx.81.20
access-list LAN_nat0_out extended permit ip 172.30.16.0 255.255.255.0 192.168.4.0 255.255.255.0 
access-list LAN_nat0_out extended permit ip 172.30.16.0 255.255.255.0 192.168.1.0 255.255.255.0 
access-list MAIL_nat0_out extended permit ip 192.168.4.0 255.255.255.0 172.30.16.0 255.255.255.0 
access-list MAIL_nat0_out extended permit ip 192.168.4.0 255.255.255.0 192.168.1.0 255.255.255.0 
access-list WAN_access_in extended permit ip object-group DM_INLINE_NETWORK_1 any 
access-list WAN_access_in extended permit tcp any host xx.xx.66.19 eq www 
access-list WAN_access_in extended permit tcp any host xx.xx.66.20 object-group DM_INLINE_TCP_1 
access-list WAN_access_in extended permit tcp any host xx.xx.66.20 gt 10000 
access-list MAIL_access_in extended permit ip 192.168.4.0 255.255.255.0 172.30.16.0 255.255.255.0 
access-list MAIL_access_in extended permit object-group DM_INLINE_SERVICE_1 192.168.4.0 255.255.255.0 any inactive 
access-list MAIL_access_in extended permit ip any any 
access-list WWW_nat0_outbound extended permit ip 192.168.1.0 255.255.255.0 172.30.16.0 255.255.255.0 
access-list WWW_access_in extended permit ip host 192.168.1.1 host 172.30.16.207 
access-list WWW_access_in extended permit object-group DM_INLINE_SERVICE_2 host 192.168.1.1 host 172.30.16.230 
access-list WWW_nat0_outbound_1 extended permit ip 192.168.1.0 255.255.255.0 192.168.4.0 255.255.255.0 
pager lines 24
logging enable
logging trap debugging
logging asdm informational
mtu WAN 1500
mtu LAN 1500
mtu WWW 1500
mtu MAIL 1500
mtu management 1500
no failover
icmp unreachable rate-limit 1 burst-size 1
icmp permit any WAN
icmp permit any LAN
icmp permit any WWW
icmp permit any MAIL
asdm image disk0:/asdm-613.bin
no asdm history enable
arp timeout 14400
nat-control
global (WAN) 101 xx.xx.66.21-xx.xx.66.22 netmask 255.255.255.248
global (WWW) 101 xx.xx.66.19 netmask 255.255.255.248
global (MAIL) 101 xx.xx.66.20 netmask 255.255.255.248
nat (LAN) 0 access-list LAN_nat0_out
nat (LAN) 101 0.0.0.0 0.0.0.0
nat (WWW) 0 access-list WWW_nat0_outbound_1
nat (WWW) 0 access-list WWW_nat0_outbound outside
nat (MAIL) 0 access-list MAIL_nat0_out
nat (MAIL) 101 192.168.4.3 255.255.255.255
static (LAN,WAN) tcp interface www 172.30.16.231 www netmask 255.255.255.255 
static (LAN,WAN) tcp interface ftp 172.30.16.231 ftp netmask 255.255.255.255 
static (LAN,WAN) tcp interface 8080 172.30.16.217 8080 netmask 255.255.255.255 
static (MAIL,WAN) tcp xx.xx.66.20 smtp 192.168.4.3 smtp netmask 255.255.255.255 
static (WWW,WAN) xx.xx.66.19 192.168.1.1 netmask 255.255.255.255 
static (MAIL,WAN) xx.xx.66.20 192.168.4.1 netmask 255.255.255.255 
access-group WAN_access_in in interface WAN
access-group WWW_access_in in interface WWW
access-group MAIL_access_in in interface MAIL
route WAN 0.0.0.0 0.0.0.0 xx.xx.66.17 1
route LAN 172.30.16.0 255.255.255.0 192.168.200.254 1
route LAN 192.168.101.0 255.255.255.0 192.168.200.254 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
dynamic-access-policy-record DfltAccessPolicy
aaa authentication telnet console LOCAL 
aaa authentication ssh console LOCAL 
http server enable
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
telnet timeout 15
console timeout 0
threat-detection basic-threat
threat-detection statistics host
threat-detection statistics port
threat-detection statistics protocol
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
!
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 icmp 
  inspect icmp error 
!
service-policy global_policy global
prompt hostname context 
: end

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20120131-EE-VQP-002

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asa 5510 configuration

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asa 5510

nat

Cisco PIX Firewall

Network Routers

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