Help with Cisco PIX 506e

Answered Question

I need some help configuring a Cisco PIX 506e Version 6.3(5)


I'm using the PDM to configure the device since I don't know CLI well enough. I just want the simpliest of configurations.


Here's what is happening, I configure it then I hook the Interface 1 up to my laptop and use DHCP to get an ip address, but I cannot get out to the internet that way. Using the PDM tools, I can ping outside ip addresses just fine.


PIX Version 6.3(5)
interface ethernet0 auto
interface ethernet1 auto
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password DkreNA9TaOYv27T8 encrypted
passwd c4EBnG8v5uKhu.PA encrypted
hostname EWMS-PIX-630
domain-name ciscopix.com
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
names
object-group service test udp
  port-object eq isakmp
access-list inside_access_in permit ip any any
access-list inside_access_in permit tcp any any
access-list inside_access_in permit icmp any any
access-list inside_access_in permit esp any any
access-list inside_access_in permit tcp any eq www any
access-list inside_outbound_nat0_acl permit ip interface inside 10.10.10.96 255.255.255.240
access-list inside_outbound_nat0_acl permit ip any 10.10.10.192 255.255.255.224
pager lines 24
logging timestamp
logging trap debugging
logging host inside 10.10.10.13
mtu outside 1500
mtu inside 1500
ip address outside 75.146.94.109 255.255.255.248
ip address inside 10.10.10.250 255.255.255.0
ip audit info action alarm
ip audit attack action alarm
pdm location 10.10.10.1 255.255.255.255 inside
pdm location 10.10.10.13 255.255.255.255 inside
pdm location 10.10.10.253 255.255.255.255 inside
pdm location 75.146.94.105 255.255.255.255 inside
pdm location 75.146.94.106 255.255.255.255 inside
pdm location 10.10.10.96 255.255.255.240 outside
pdm location 10.10.10.192 255.255.255.224 outside
pdm logging informational 100
pdm history enable
arp timeout 14400
nat (inside) 0 access-list inside_outbound_nat0_acl
nat (inside) 0 0.0.0.0 0.0.0.0 0 0
access-group inside_access_in in interface inside
route outside 0.0.0.0 0.0.0.0 75.146.94.110 1
timeout xlate 0:05:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout sip-disconnect 0:02:00 sip-invite 0:03:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server RADIUS (inside) host 10.10.10.1 timeout 10
aaa-server LOCAL protocol local
http server enable
http 10.10.10.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
sysopt connection permit-ipsec
crypto ipsec transform-set ESP-DES-MD5 esp-des esp-md5-hmac
isakmp enable outside
isakmp peer ip 206.196.18.227 no-xauth no-config-mode
isakmp nat-traversal 20
isakmp policy 20 authentication rsa-sig
isakmp policy 20 encryption des
isakmp policy 20 hash md5
isakmp policy 20 group 1
isakmp policy 20 lifetime 86400
isakmp policy 40 authentication pre-share
isakmp policy 40 encryption des
isakmp policy 40 hash md5
isakmp policy 40 group 2
isakmp policy 40 lifetime 86400
isakmp policy 60 authentication rsa-sig
isakmp policy 60 encryption des
isakmp policy 60 hash md5
isakmp policy 60 group 2
isakmp policy 60 lifetime 86400
telnet 10.10.10.0 255.255.255.0 inside
telnet timeout 5
ssh timeout 5
console timeout 0
dhcpd address 10.10.10.2-10.10.10.5 inside
dhcpd dns 68.87.72.130
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd enable inside
username btork password Ww3clvi.ynWeGweE encrypted privilege 15
vpnclient server 10.10.10.1
vpnclient mode client-mode
vpnclient vpngroup GroupA password ********
vpnclient username btork password ********
terminal width 80
Cryptochecksum:5ef06e69c17b6128e1778e988d1b9f5d
: end
[OK]


any hep would be much appreciated.


Brian

Correct Answer by Jon Marshall about 6 years 10 months ago

Brian


The NAT is your problem ie.


nat (inside) 0 access-list inside_outbound_nat0_acl
nat (inside) 0 0.0.0.0 0.0.0.0 0 0


presumanly the first NAT is fot your VPN although the acl does look a bit funny, what exactly are you trying to do with that ?


The second NAT is the real issue though for outbound internet access - the NAT statement you have says don't NAT any of your 10.10.10.x addresses which is a problem as 10.x.x.x addressing is not routable on the Internet.


You need to change this config ie. -


1) remove the second NAT statement ie. "no nat (inside) 0 0.0.0.0 0.0.0.0


2) add a new NAT statement -  "nat (inside) 1 0.0.0.0 0.0.0.0"


3) add a corresponding global statement - global (outside) 1 interface"


this will PAT all your 10.10.10.x addresses to the outside interface IP address.


Apologies but these are CLI commands as i don't use PDM.


Jon

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Correct Answer
Jon Marshall Thu, 09/16/2010 - 12:25
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Brian


The NAT is your problem ie.


nat (inside) 0 access-list inside_outbound_nat0_acl
nat (inside) 0 0.0.0.0 0.0.0.0 0 0


presumanly the first NAT is fot your VPN although the acl does look a bit funny, what exactly are you trying to do with that ?


The second NAT is the real issue though for outbound internet access - the NAT statement you have says don't NAT any of your 10.10.10.x addresses which is a problem as 10.x.x.x addressing is not routable on the Internet.


You need to change this config ie. -


1) remove the second NAT statement ie. "no nat (inside) 0 0.0.0.0 0.0.0.0


2) add a new NAT statement -  "nat (inside) 1 0.0.0.0 0.0.0.0"


3) add a corresponding global statement - global (outside) 1 interface"


this will PAT all your 10.10.10.x addresses to the outside interface IP address.


Apologies but these are CLI commands as i don't use PDM.


Jon

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