Static NAT with the road map for excluding the VPN
We have problems of access to certain IPs NATted static via a VPN. After some research, we have learned that you have to exclude traffic destined for the VPN to the static NAT using a road map. So we did this:
10.1.1.x is the VPN IP pool.
access-list 130 refuse ip 192.168.1.0 0.0.0.255 10.1.1.0 0.0.0.255
access-list 130 allow ip 192.168.1.0 0.0.0.255 any
sheep allowed 10 route map
corresponds to the IP 130
IP nat inside source static 192.168.1.5 1.1.1.1 sheep map route
Above worked to fix the VPN but the IP 192.168.1.5 is no longer publicly available via 1.1.1.1. What seems to happen, is that the static NAT is not really work and this IP address is NATted with the IP of PAT.
Any ideas on how to get this to work?
Thank you
Diego
Hello
The following example details exactly your case:
http://www.Cisco.com/en/us/Tech/tk583/TK372/technologies_configuration_example09186a0080094634.shtml
Try to replace the 192.168.1.0 subnet by the host address.
It should work
HTH
Laurent.
Tags: Cisco Security
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AAA authentication http LOCAL console
Enable http server
http 192.168.1.0 255.255.255.0 inside
http 172.xxx.xx.4 255.255.255.255 outside
No snmp server location
No snmp Server contact
Crypto ipsec transform-set ikev1 ESP-AES-128-SHA aes - esp esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-128-MD5-esp - aes esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-256-SHA esp-aes-256 esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-AES-128-SHA-TRANS-aes - esp esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-128-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-128-MD5-TRANS-aes - esp esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-128-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-192-SHA-TRANS esp-aes-192 esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-192-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-192-MD5-TRANS esp-aes-192 esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-192-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-256-SHA-TRANS esp-aes-256 esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-AES-256-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-AES-256-MD5-TRANS esp-aes-256 esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-AES-256-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 SHA-ESP-3DES esp-3des esp-sha-hmac
Crypto ipsec transform-set ikev1 ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-3DES-SHA-TRANS esp-3des esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-3DES-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-3DES-MD5-TRANS esp-3des esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-3DES-MD5-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ikev1 esp ESP-DES-MD5-esp-md5-hmac
Crypto ipsec transform-set ikev1 ESP-DES-SHA-TRANS esp - esp-sha-hmac
Crypto ipsec ikev1 transform-set ESP-DES-SHA-TRANS mode transit
Crypto ipsec transform-set ikev1 ESP-DES-MD5-TRANS esp - esp-md5-hmac
Crypto ipsec ikev1 transform-set ESP-DES-MD5-TRANS mode transit
Crypto ipsec ikev2 ipsec-proposal OF
encryption protocol esp
Esp integrity sha - 1, md5 Protocol
Crypto ipsec ikev2 proposal ipsec 3DES
Esp 3des encryption protocol
Esp integrity sha - 1, md5 Protocol
Crypto ipsec ikev2 ipsec-proposal AES
Esp aes encryption protocol
Esp integrity sha - 1, md5 Protocol
Crypto ipsec ikev2 ipsec-proposal AES192
Protocol esp encryption aes-192
Esp integrity sha - 1, md5 Protocol
Crypto ipsec ikev2 AES256 ipsec-proposal
Protocol esp encryption aes-256
Esp integrity sha - 1, md5 Protocol
Crypto ipsec pmtu aging infinite - the security association
card crypto Outside_map 1 corresponds to the address Outside_cryptomap
card crypto Outside_map 1 set peer 172.110.74.4
card crypto Outside_map 1 set ikev1 transform-set ESP-AES-128-SHA ESP-AES-128-MD5 ESP-AES-192-SHA ESP-AES-192-MD5 ESP-AES-256-SHA ESP-AES-256-MD5 ESP-3DES-SHA MD5-ESP-3DES ESP-DES-SHA ESP-DES-MD5
card crypto Outside_map 1 set ikev2 AES256 AES192 AES 3DES ipsec-proposal OF
Outside_map interface card crypto outside
trustpool crypto ca policy
IKEv2 crypto policy 1
aes-256 encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
IKEv2 crypto policy 10
aes-192 encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
IKEv2 crypto policy 20
aes encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
IKEv2 crypto policy 30
3des encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
IKEv2 crypto policy 40
the Encryption
integrity sha
Group 2 of 5
FRP sha
second life 86400
Crypto ikev2 allow outside
Crypto ikev1 allow outside
IKEv1 crypto policy 10
authentication crack
aes-256 encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 20
authentication rsa - sig
aes-256 encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 30
preshared authentication
aes-256 encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 40
authentication crack
aes-192 encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 50
authentication rsa - sig
aes-192 encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 60
preshared authentication
aes-192 encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 70
authentication crack
aes encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 80
authentication rsa - sig
aes encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 90
preshared authentication
aes encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 100
authentication crack
3des encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 110
authentication rsa - sig
3des encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 120
preshared authentication
3des encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 130
authentication crack
the Encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 140
authentication rsa - sig
the Encryption
sha hash
Group 2
life 86400
IKEv1 crypto policy 150
preshared authentication
the Encryption
sha hash
Group 2
life 86400
Telnet timeout 5
SSH stricthostkeycheck
SSH timeout 5
SSH group dh-Group1-sha1 key exchange
Console timeout 0dhcpd address 192.168.1.50 - 192.168.1.100 inside
dhcpd allow inside
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
WebVPN
AnyConnect essentials
internal GroupPolicy_172.xxx.xx.4 group strategy
attributes of Group Policy GroupPolicy_172.xxx.xx.4
L2TP ipsec VPN-tunnel-Protocol ikev1, ikev2
username admin privilege 15 encrypted password f3UhLvUj1QsXsuK7
tunnel-group 172.xxx.xx.4 type ipsec-l2l
tunnel-group 172.xxx.xx.4 General-attributes
Group - default policy - GroupPolicy_172.xxx.xx.4
172.xxx.XX.4 group of tunnel ipsec-attributes
IKEv1 pre-shared-key *.
remote control-IKEv2 pre-shared-key authentication *.
pre-shared-key authentication local IKEv2 *.
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
parameters
maximum message length automatic of customer
message-length maximum 512
Policy-map global_policy
class inspection_default
inspect the preset_dns_map dns
inspect the ftp
inspect h323 h225
inspect the h323 ras
inspect the rsh
inspect the rtsp
inspect esmtp
inspect sqlnet
inspect the skinny
inspect sunrpc
inspect xdmcp
inspect the sip
inspect the netbios
inspect the tftp
Review the ip options
inspect the icmp
inspect the icmp error
inspect the httpFor IKEv2 configuration: (example config, you can change to encryption, group,...)
-You must add the declaration of exemption nat (see previous answer).
-set your encryption domain ACLs:
access-list-TRAFFIC IPSEC allowed extended LOCAL REMOTE - LAN LAN ip
-Set the Phase 1:
Crypto ikev2 allow outside
IKEv2 crypto policy 10
3des encryption
the sha md5 integrity
Group 5
FRP sha
second life 86400-Set the Phase 2:
Crypto ipsec ikev2 ipsec IKEV2-PROPOSAL
Esp aes encryption protocol
Esp integrity sha-1 protocol-set the Group of tunnel
tunnel-group REMOTE-PUBLIC-IP type ipsec-l2l
REMOTE-PUBLIC-IP tunnel-group ipsec-attributes
IKEv2 authentication remote pre-shared-key cisco123
IKEv2 authentication local pre-shared-key cisco123-Define the encryption card
address for correspondence CRYPTOMAP 10 - TRAFFIC IPSEC crypto map
card crypto CRYPTOMAP 10 peer set REMOTE-PUBLIC-IP
card crypto CRYPTOMAP 10 set ipsec ikev2-IKEV2-PROPOSAL
CRYPTOMAP interface card crypto outside
crypto isakmp identity addressOn your config, you have all these commands but on your VPN config, you mix ikev1 and ikev2. You have also defined political different ikev2. Just do a bit of cleaning and reached agreement on a 1 strategy for the two site (encryption, hash,...)
Thank you
-
Site to site VPN with the VPN Client for both sites access?
Current situation:
Scenario is remote to the main office. Site IPSEC tunnel site (netscreen) remote in hand (506th pix). Cisco VPN Client of main office of remote access to users.
It's that everything works perfectly.
Problem:
Now we want remote users who connect to the seat to also be able to access resources in the remote offices.
This seems like it would be easy to implement, but I can't understand it.
Thanks in advance.
Rollo
----------
#10.10.10.0 = Network1
#10.10.11.0 = Network2
#172.16.1.0 = vpn pool
6.3 (4) version PIX
access-list 101 permit ip 10.10.10.0 255.255.255.0 172.16.1.0 255.255.255.0
access-list 101 permit ip 10.10.10.0 255.255.255.0 10.10.11.0 255.255.255.0
splitTunnel 10.10.10.0 ip access list allow 255.255.255.0 any
splitTunnel ip 10.10.11.0 access list allow 255.255.255.0 any
access-list 115 permit ip any 172.16.1.0 255.255.255.0
access-list 116 allow ip 10.10.10.0 255.255.255.0 10.10.11.0 255.255.255.0
IP access-list 116 allow all 10.10.11.0 255.255.255.0
access-list 116 allow ip 10.10.11.0 255.255.255.0 10.10.10.0 255.255.255.0
ICMP allow all outside
ICMP allow any inside
Outside 1500 MTU
Within 1500 MTU
IP address outside 209.x.x.x 255.255.255.224
IP address inside 10.10.10.1 255.255.255.0
alarm action IP verification of information
alarm action attack IP audit
IP local pool 172.16.1.0 vpnpool - 172.16.1.50
Global 1 interface (outside)
Global (outside) 10 209.x.x.x 255.255.255.224
(Inside) NAT 0-list of access 101
NAT (inside) 10 10.10.10.0 255.255.255.0 0 0
Access-group outside_access_in in interface outside
Route outside 0.0.0.0 0.0.0.0 209.x.x.x 1
Timeout xlate 01:00
Timeout conn 01:00 half-closed 0:10:00 udp 0: CPP 02:00 0:10:00 01:00 h225
H323 timeout 0:05:00 mgcp 0: sip from 05:00 0:30:00 sip_media 0:02:00
Timeout, uauth 0:05:00 absolute
enable floodguard
Permitted connection ipsec sysopt
Crypto ipsec transform-set esp-3des esp-sha-hmac RIGHT
crypto dynamic-map Clients_VPN-dynmap 10 transform-set RIGHT
35 Myset1 ipsec-isakmp crypto map
correspondence address 35 Myset1 map cryptographic 116
card crypto Myset1 35 counterpart set x.x.x.x
card crypto Myset1 35 set transform-set Myset1
Myset1 card crypto ipsec 90-isakmp dynamic dynmap Clients_VPN
client configuration address card crypto Myset1 launch
client configuration address card crypto Myset1 answer
interface Myset1 card crypto outside
ISAKMP allows outside
ISAKMP key * address x.x.x.x 255.255.255.255 netmask No.-xauth-no-config-mode
ISAKMP identity address
ISAKMP nat-traversal 20
part of pre authentication ISAKMP policy 15
ISAKMP policy 15 3des encryption
ISAKMP policy 15 sha hash
15 1 ISAKMP policy group
ISAKMP duration strategy of life 15 28800
part of pre authentication ISAKMP policy 20
ISAKMP policy 20 3des encryption
ISAKMP policy 20 chopping sha
20 2 ISAKMP policy group
ISAKMP duration strategy of life 20 3600
part of pre authentication ISAKMP policy 25
encryption of ISAKMP policy 25
ISAKMP policy 25 md5 hash
25 2 ISAKMP policy group
ISAKMP living 25 3600 duration strategy
part of pre authentication ISAKMP policy 30
ISAKMP policy 30 aes-256 encryption
ISAKMP policy 30 sha hash
30 2 ISAKMP policy group
ISAKMP duration strategy of life 30 86400
vpngroup address vpnpool pool mygroup
vpngroup dns-server dns1 dns2 mygroup
vpngroup mygroup wins1 wins2 wins server
vpngroup mygroup by default-domain mydomain
vpngroup split splitTunnel tunnel mygroup
vpngroup idle time 64000 mygroup
mygroup vpngroup password *.
Telnet timeout 5
dhcpd lease 3600
dhcpd ping_timeout 750
dhcpd outside auto_config
Hi Rollo,
You can not be implemented for a simple reason, it is not supported on the version 6.x PIX. It relies on the PIX 7.x worm but 7.x is not supported on PIX 506. Thus, in a Word, it can be reached on a PIX 506. If you have an ASA, a PIX 515 running 7.x, a router or a hub as well, it can be reached.
HTH,
Please rate if this helps,
Kind regards
Kamal
-
Static record with the default port no
Is not is it possible to have static recording of data base with a listener running on a port no by default.
If so, how? How to start a static listener for the database runningIf you use static registration then you have no need to use the LOCAL_LISTENER parameter is required for dynamic registration.
Example with Oracle XE:
Listener.ora:
LISTENER1= (DESCRIPTION = (ADDRESS_LIST= (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1522)) ) ) SID_LIST_LISTENER1= (SID_LIST= (SID_DESC= (SID_NAME=XE) (ORACLE_HOME=C:\oraclexe\app\oracle\product\11.2.0\server) ) )tnsnames.ora
XE2 = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1522)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = XE) ) )and:
C:\>lsnrctl start listener1 LSNRCTL for 32-bit Windows: Version 11.2.0.2.0 - Production on 13-OCT. -2011 12:07:05 Copyright (c) 1991, 2010, Oracle. All rights reserved. Starting tnslsnr: please wait... TNSLSNR for 32-bit Windows: Version 11.2.0.2.0 - Production System parameter file is C:\oraclexe\app\oracle\product\11.2.0\server\network\admin\listener.ora Log messages written to C:\oraclexe\app\oracle\diag\tnslsnr\xxx\listener1\alert\log.xml Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1522))) Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1522))) STATUS of the LISTENER ------------------------ Alias listener1 Version TNSLSNR for 32-bit Windows: Version 11.2.0.2.0 - Production Start Date 13-OCT. -2011 12:07:09 Uptime 0 days 0 hr. 0 min. 3 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File C:\oraclexe\app\oracle\product\11.2.0\server\network\admin\listener.ora Listener Log File C:\oraclexe\app\oracle\diag\tnslsnr\xxx\listener1\alert\log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1522))) Services Summary... Service "XE" has 1 instance(s). Instance "XE", status UNKNOWN, has 1 handler(s) for this service... The command completed successfully C:\>tnsping XE2 TNS Ping Utility for 32-bit Windows: Version 11.2.0.2.0 - Production on 13-OCT. -2011 12:07:18 Copyright (c) 1997, 2010, Oracle. All rights reserved. Used parameter files: C:\oraclexe\app\oracle\product\11.2.0\server\network\admin\sqlnet.ora Used TNSNAMES adapter to resolve the alias Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1522)) (CONNECT_DATA = (SERVER = DEDICATED ) (SERVICE_NAME = XE))) OK (30 msec) C:\>sqlplus system/xxx@XE2 SQL*Plus: Release 11.2.0.2.0 Production on Jeu. Oct. 13 12:07:27 2011 Copyright (c) 1982, 2010, Oracle. All rights reserved. Connected to: Oracle Database 11g Express Edition Release 11.2.0.2.0 - Production SQL> show parameter local_li NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ local_listener string SQL> exit Disconnected from Oracle Database 11g Express Edition Release 11.2.0.2.0 - Production -
I can NAT before the VPN Tunnel?
Hello
I want to add servers in a configuration in ipsec tunnel site to another for transportation.
However, I have to NAT these machines for the presentation of the other side.
For a Cisco 1760 (vpn termination point) running on 12.3 code, is it possible?
If it's possible, could I get a link to a config? Or maybe an excerpt here?
We use two interfaces ethernet for this:
Ethernet1/0 is inside
ethernet0/0 is outside
Can't seem to find any documentation for it.
Thank you
Paul
It is "NAT order of operation" used by Cisco devices, it seems that NAT is anyway before the crypto control
http://www.Cisco.com/en/us/Tech/tk648/tk361/technologies_tech_note09186a0080133ddd.shtml
Concerning
Farrukh
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