Cisco's VPN IPSec help please
Hi all
I have 3 sites, the main site has a cisco firewall mikrotik router.
There is a vpn ipsec existing between the cisco router and another router cisco on the site of the 2nd and it works well.
Now, I've added an another vpn between a 3rd site and main site. The router on the 3rd site is a mikrotik firewall.
I had the vpn on the main site and the 3rd site where the mikrotik firewall is and it worked well.
then for some reason, the vpn with the 3rd site has failed and I could not get it working again.
When looking for answers, I see that the vpn for the 3rd site States the following:
#pkts program: 46, #pkts encrypt: 46, #pkts digest: 46
#pkts decaps: 0, #pkts decrypt: 0, #pkts check: 0
It seems that no traffic is coming back to the cisco
I also found the following output below to diagnose the problem.
It seems that there is communication, but if I read this right, it looks like the cisco established a new number but the other end is not the new number
new node-1868419487
node-1868419487 error suppression FALSE "Information (in) condition 1" pattern
Any help would be appreciated.
* 02:49:51.911 Jul 22: ISAKMP: (2060): purge the node-1140469772
* 02:49:59.723 Jul 22: ISAKMP: DPD received message KMI.
* 02:49:59.723 Jul 22: ISAKMP: node set 1053074288 to QM_IDLE
* 02:49:59.723 Jul 22: ISAKMP: (2060): Protocol for sending INFORMER DPD/R_U_THERE 1
SPI 2273844328, message ID = 1053074288
* 02:49:59.723 Jul 22: ISAKMP: (2060): seq. no 0x645EC368
* 02:49:59.723 Jul 22: ISAKMP: (2060): my_port of x.x.x.127 package sending 5
peer_port 00 500 (R) QM_IDLE
* 02:49:59.723 Jul 22: ISAKMP: (2060): sending a packet IPv4 IKE.
* 02:49:59.723 Jul 22: ISAKMP: (2060): purge the node 1053074288
* 02:49:59.767 Jul 22: ISAKMP (2060): packet received dport x.x.x.127
500 sport Global 500 (R) QM_IDLE
* 02:49:59.767 Jul 22: ISAKMP: node set-1868419487 to QM_IDLE
* 02:49:59.771 Jul 22: ISAKMP: (2060): HASH payload processing. Message ID = 24265
47809
* 02:49:59.771 Jul 22: ISAKMP: (2060): treatment of the NOTIFY DPD/R_U_THERE_ACK protoco
l 1
0, message ID SPI = 2426547809, a = 0x8705F854
* 02:49:59.771 Jul 22: ISAKMP: (2060): DPO/R_U_THERE_ACK received from the peer 125,23
6.211.127, sequence 0x645EC368
* 02:49:59.771 Jul 22: ISAKMP: (2060): node-1868419487 FALSE reason for deletion error
"Information (in) condition 1"
* 02:49:59.771 Jul 22: ISAKMP: (2060): entry = IKE_MESG_FROM_PEER, IKE_INFO_NOTIFY
* 02:49:59.771 Jul 22: ISAKMP: (2060): former State = new State IKE_P1_COMPLETE = IKE
_P1_COMPLETE
* 02:50:01.111 Jul 22: ISAKMP: (2060): purge the node-1201068805
Comparing encrypt of 46 to 47436 counters, it seems that router is ecncrypting the traffic, but we do not get any interesting traffic on the remote side.
Most likely, you might want to check on the remote site, if you see counters increment in parallel decryption and encryption of the counters are incrementing or not.
On the router IOS, if are incrementing counters encrypt, and confirm that you have not any tunnel existing before the router can be seen same proxy IDs, which is already negotiated with other peer.
Finally, please make sure that the ESP, 50 protocol traffic is not blocked in transit.
I hope this helps.
Kind regards
Dinesh Moudgil
PS Please rate helpful messages.
Tags: Cisco Security
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I have the client setup Cisco VPN on an ASA 5505 with tunneling split. I can connect to the VPN very well. I can access the internet fine. I can't get the LAN, however. I try to do a ping, telnet, rdp, etc devices on the side LAN of the firewall without a bit of luck. I have torn down and configure the VPN several times via the CLI and I even used various configurations by using the wizard, all this without a bit of luck. Any help would be appreciated.
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Cryptochecksum:52bca254012b1b05cca7dfaa30d1c42a
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IKEv2 crypto policy 20
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integrity sha
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preshared authentication
3des encryption
sha hash
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sha hash
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SSH timeout 10
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management-access inside
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internal VPN group policy
attributes of VPN group policy
value of server WINS 50.1.1.17 50.1.1.18
value of 50.1.1.17 DNS server 50.1.1.18
Ikev1 VPN-tunnel-Protocol, l2tp ipsec ikev2 ssl-client
digitalextremes.com value by default-field
WebVPN
value of AnyConnect VPN type user profiles
always-on-vpn-profile setting
privilege of xxxxxxxxx encrypted password username administrator 15
VPN1 xxxxxxxxx encrypted password username
VPN Tunnel-group type remote access
General-attributes of VPN Tunnel-group
address (inside) VPNPool pool
address pool VPNPool
LOCAL authority-server-group
Group Policy - by default-VPN
VPN Tunnel-group webvpn-attributes
enable VPN group-alias
Group-tunnel VPN ipsec-attributes
IKEv1 pre-shared-key *.
!
class-map inspection_default
match default-inspection-traffic
class-map ips
corresponds to the IP access list
!
!
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
Review the ip options
inspect the netbios
inspect the rsh
inspect the rtsp
inspect the skinny
inspect esmtp
inspect sqlnet
inspect sunrpc
inspect the tftp
inspect the sip
inspect xdmcp
inspect the http
class ips
IPS inline help
class class by default
Statistical accounting of user
I would recommend buy AnyConnect Essentials. The cost of the license is nominal - list of US $150 for the 5510. (piece number L-ASA-AC-E-5510 =)
Meawwhile you can use the Cisco VPN client inherited with IKEv1 IPSec remote access VPN using profiles *.pcf.
I believe you can also use the client Anyconnect client SSL or DTLS transport access remotely (non-IPsec) without having to buy the license Anyconnect Essentials for your ASA focus.
As an aside, note that if you want to use AnyConnect Mobile (e.g. for iPhone, iPad, Android, Blackberry etc.clients) you will also get the additional license for it (L-ASA-AC-M-5510 =, also price US $150)
-
double authentication with Cisco's VPN IPSEC client
Cisco VPN client (the legacy IPSEC client) does support dual authentication with RSA token AND ActiveDirectory credentials?
I know that AnyConnect supports it and the commandsecondary- authentication -Server- group' is only for ssl connections, but must be confirmed.
Kind regards
Mohammad
Hi Mohammad,.
What is double authentication support for Cisco VPN Client?
A. No. Double authentication only is not supported on the Cisco VPN Client.
You can find more information on the customer Cisco VPN here.
As you said the only client that supports dual authentication is the Cisco AnyConnect secure mobility Client.
Please note and mark it as correct this Post!
Let me know if there are still questions about it!
David Castro,
-
License of Cisco 2821 VPN IpSEC
Hello
I have a small problem, a do give me a Cisco 2821 for installing a VPN client to a small local network.
I don't have problem to the router connection, but when I try to set up an ipsec i cant.
We have need of a license or a module installation IpSe VPN?
When I run this command, the router does not include:
vpnbog1 (config) #crypto isakmp policy 1
^
Invalid entry % detected at ' ^' marker.
vpnbog1 (config) #.
the show version is:
January 3, 21:12:49.219: % SYS-5-CONFIG_I: configured from console by admin on consoleversion
Software (fc2) SOFTWARE VERSION, Cisco IOS, 2800 Software (C2800NM-SPSERVICESK9-M), Version 12.4 (3i)
Technical support: http://www.cisco.com/techsupport
Copyright (c) 1986-2007 by Cisco Systems, Inc.
Updated Thursday 28 November 07 21:09 by stshen
ROM: System Bootstrap, Version 12.4 (13r) T, RELEASE SOFTWARE (fc1)
vpnbog1 uptime is 1 hour, 32 minutes
System to regain the power ROM
System restarted at 14:40:43 PCTime Friday January 3, 2014
System image file is "flash: c2800nm-spservicesk9 - mz.124 - 3i.bin".
This product contains cryptographic features and is under the United States
States and local laws governing the import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third party approval to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. laws and local countries. By using this product you
agree to comply with the regulations and laws in force. If you are unable
to satisfy the United States and local laws, return the product.
A summary of U.S. laws governing Cisco cryptographic products to:
http://www.Cisco.com/WWL/export/crypto/tool/stqrg.html
If you need assistance please contact us by mail at
Cisco 2821 (revision 53.51) with 251904 K/K 10240 bytes of memory.
Card processor ID FTX1213A06Y
2 gigabit Ethernet interfaces
2 FXS voice interfaces
Configuration of DRAM is wide with parity 64-bit capable.
239K bytes of non-volatile configuration memory.
62720K bytes of ATA CompactFlash (read/write)
You are tuning a "spservices" image that has no crypto code compiled (AFAIR, feel free to doublecheck).
You would need advanced security or advanced IP services have together.
M.
-
need help with VPN IPSEC with RV042
https://supportforums.Cisco.com/docs/doc-30883
I enjoy any support for a trial with RV042 VPN IPSec game please.
Thanks in advance.
Hi Bay, if you use a Windows computer, you can use QuickVPN. The only thing to note is the router that you have as the gateway to the RV042. You must define a port forward for all IPsec services be able to overcome the problems with the NAT device.
RV042 configuration is easy, create a name of user and password and that's it. The problem/challenge will get your NAT connection to allow VPN pass.
-Tom
Please mark replied messages useful -
Help, please! Microsoft Vs Cisco VPN Client VPN
Could someone please indicate if the Cisco VPN Client is safer than the VPN integrated Microsoft on windows XP? If the Cisco client is more secure than why? Microsoft it does not use IPSEC and PPTP right?
Please advise - very urgent!
I don't know a customer Cisco Cisco VPN concentrator is safer, but I'm not sure exactly why.
Carlton,
Take a deeper look at the same time, all your questions will be answered once you look at these links.
IPSec is a Cisco VPN standard, open customer or any customer VPN IPSec based should meet these standards. You'll learn more by reading these few bellow of links at the end of the reading you will be to have a better
perspective on the customer you would gear more to use as a professional network.
Personally, I've been away little by little PPTP and substituting Cisco VPN clients. Don't get me wrong, PPTP is still widely used there, but it is more vulnerable.
With Ipsec VPN, you have a wider choice of authentication algorithms, to base
granularity of ciphers as a way to implement a secure VPN extreamely for RA architecture
Introduction to IPsec
http://www.Cisco.com/en/us/Tech/tk583/TK372/technologies_tech_note09186a0080094203.shtml
Introduction to PPTP/L2TP
http://www.Clavister.com/manuals/ver8.6x/manual/VPN/pptp_basics.htm
Analysis of vulnerabilities and implementation MS PPTP
http://www.Schneier.com/paper-PPTP.html
http://www.Schneier.com/paper-PPTP.PDF
Alternative workaround to use client MS using L2TP over Ipsec
In addition, you can do a google search on "hacking PPTP" or "Ipsec" to preview more vulnerabilities.
Rgds
Jorge
-
Cisco Anyconnect VPN vs IPSec AnyConnect SSL
Hello
Can someone tell me what is the difference between the Anyconnect SSL VPN and Anyconnect VPN IPSec.
When we use one and not the other?
Thank you very much.
Best regards.
Hello Abdollah,
AnyConnect based on the SSL protocol is called Anyconnect SSL VPN and if you deploy Anyconnect with the IPSec protocol, it is called IKev2.
AnyConnect (via IKEv2 or SSLVPN) does not use a pre shared key to authenticate the user. A certificate will be used to authenticate the user and the ASA of + pass and the certificate used to authenticate the user. The XML profile is necessary just to use the Anyconnect IKEv2 client rather than the default of SSL when connecting to the ASA.
Here is the doc announced some of the benefits of using Anyconnect with Ikev2 rather than SSL VPN.
http://www.Cisco.com/en/us/docs/iOS-XML/iOS/sec_conn_ike2vpn/configuration/15-2mt/sec-cfg-IKEv2-Flex.html#GUID-6548042E-1E4C-416A-8347-00DCF96F04DFIn essence, if you have a simple deployment, then you can go with the installation of SSL VPN and if you want to take advantage of additional features, you can use Anyconnect with IPSec.
Kind regards
Dinesh MoudgilPS Please rate helpful messages.
-
Help, please! Connected to the VPN, but cannot access internal servers.
Hi friends,
I'm a newbie on vpn stuff, I set up a base on a Cisco ASA 5505 vpn by using ASDM, and I was able to connect to it. However, I can't ssh or RDP to one of the servers in the House after that I connected to the vpn. Here is the configuration. Help, please!
ASA Version 8.2 (5)
!
hostname sc - asa
domain abc.com
enable the encrypted password xxxxxxxxx
xxxxxxxxx encrypted passwd
names of
!
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
!
interface Vlan1
nameif inside
security-level 100
IP 192.168.1.1 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
IP address dhcp setroute
!
passive FTP mode
DNS server-group DefaultDNS
domain OpenDNS.com
sc-pool_splitTunnelAcl-list of allowed access standard 192.168.1.0 255.255.255.0
inside_nat0_outbound to access ip 192.168.1.0 scope list allow 255.255.255.0 192.168.1.96 255.255.255.240
pager lines 24
Enable logging
asdm of logging of information
Within 1500 MTU
Outside 1500 MTU
IP local pool sc-192.168.1.100 - 192.168.1.110 mask 255.255.255.0
ICMP unreachable rate-limit 1 burst-size 1
don't allow no asdm history
ARP timeout 14400
Global 1 interface (outside)
NAT (inside) 0-list of access inside_nat0_outbound
NAT (inside) 1 0.0.0.0 0.0.0.0
Timeout xlate 03:00
Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
Floating conn timeout 0:00:00
dynamic-access-policy-registration DfltAccessPolicy
Enable http server
http 192.168.1.0 255.255.255.0 inside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac
Crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ESP-AES-256-SHA 256 - aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-SHA aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-MD5-esp - aes esp-md5-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 pfs Group1 set
Crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 value 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
outside_map card crypto 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
outside_map interface card crypto outside
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
Telnet timeout 5
SSH timeout 5
Console timeout 0
interface ID client DHCP-client to the outside
dhcpd outside auto_config
!
dhcpd address 192.168.1.5 - 192.168.1.36 inside
dhcpd dns 208.67.222.222 208.67.220.220 interface inside
rental contract interface 86400 dhcpd inside
dhcpd abc.com domain inside interface
dhcpd allow inside
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
SSL encryption rc4 - md5, rc4-aes128-sha1 aes256-3des-sha1 sha1 sha1
WebVPN
abc group policy - sc internal
attributes of the strategy of group abc - sc
value of server DNS 208.67.222.222 192.168.1.3
Protocol-tunnel-VPN IPSec
Split-tunnel-policy tunnelspecified
Split-tunnel-network-list value abc-sc_splitTunnelAcl
field default value abc.com
a001 xxxxxxxxxxx encrypted password username
a002 xxxxxxxxxxx encrypted password username
username a003 encrypted password privilege 0 xxxxxxxxxxx
a003 username attributes
Strategy Group-VPN-abc-sc
a004 xxxxxxxxxxx encrypted password privilege 0 username
a004 username attributes
Strategy Group-VPN-abc-sc
a005 xxxxxxxxxxx encrypted password username
a006 xxxxxxxxxxx encrypted password username
username privilege 15 encrypted password xxxxxxxxxxx a007
remote access to tunnel-group abc - sc type
attributes global-tunnel-group-abc - sc
address sc-pool pool
Group Policy - by default-abc-sc
tunnel-group abc - sc ipsec-attributes
pre-shared key *.
!
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
!
global service-policy global_policy
context of prompt hostname
no remote anonymous reporting call
Cryptochecksum:e7df4fa4b60a252d806ca5222d48883b
: end
Hello
I would suggest you start by changing the pool VPN to something else than the current LAN network and see if that helps
These should be the configuration required to achieve this goal
- First remove us pool setup VPN VPN
- Then we delete the VPN Pool and create again with an another address space
- When then attach this new Pool of VPN again to the VPN configuration
- In the last step, we add a NAT0 / exempt for this new pool VPN NAT configuration and remove the old ACL line for the former group of VPN
attributes global-tunnel-group-abc - sc
no address-sc-swimming pool
no ip local pool sc 192.168.1.100 - 192.168.1.110 mask 255.255.255.0
IP local pool sc-192.168.100.100 - 192.168.100.110 mask 255.255.255.0
attributes global-tunnel-group-abc - sc
address sc-pool pool
inside_nat0_outbound to access ip 192.168.1.0 scope list allow 255.255.255.0 192.168.100.0 255.255.255.0
No inside_nat0_outbound access ip 192.168.1.0 scope list allow 255.255.255.0 192.168.1.96 255.255.255.240
-Jouni
-
Help, please! Cannot access the web after connected to the VPN
Hello
I'm a newbie on Cisco products. I configured a Cisco ASA 5505 with VPN firewall. However, I can't access the web after I connected to the remote IPSec VPN. I also cannot connect to the bands using the intellectual property. But I can connect to the internal servers in the office with no problems.
Here is my setup, can someone help please? Thank you very much
ASA Version 8.2 (5)
!
host name asa
xxxxxxxxx.com domain name
enable the encrypted password xxxxxxxxxxx
xxxxxxxxxxx encrypted passwd
names of
!
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
!
interface Vlan1
nameif inside
security-level 100
IP 192.168.1.1 255.255.255.0
!
interface Vlan2
nameif outside
security-level 0
IP address dhcp setroute
!
passive FTP mode
area of zone clock - 8 schedule
clock summer-time recurring PDT 1 Sun Apr 02:00 last Sun Oct 02:00
DNS lookup field inside
DNS server-group DefaultDNS
Server name 107.204.233.222
name-server 192.168.1.3
xxxxxxxxx.com domain name
inside_nat0_outbound list of allowed ip extended access all 192.168.1.96 255.255.255.240
pager lines 24
Enable logging
asdm of logging of information
Within 1500 MTU
Outside 1500 MTU
IP local pool sc-192.168.1.100 - 192.168.1.110 mask 255.255.255.0
ICMP unreachable rate-limit 1 burst-size 1
don't allow no asdm history
ARP timeout 14400
Global 1 interface (outside)
NAT (inside) 0-list of access inside_nat0_outbound
NAT (inside) 1 192.168.1.0 255.255.255.0
NAT (inside) 1 0.0.0.0 0.0.0.0
Timeout xlate 03:00
Timeout conn 01:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
Sunrpc timeout 0:10:00 h323 0:05:00 h225 mgcp from 01:00 0:05:00 mgcp-pat 0:05:00
Sip timeout 0:30:00 sip_media 0:02:00 prompt Protocol sip-0: 03:00 sip - disconnect 0:02:00
Timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
Floating conn timeout 0:00:00
dynamic-access-policy-registration DfltAccessPolicy
the ssh LOCAL console AAA authentication
Enable http server
http 192.168.1.0 255.255.255.0 inside
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
Crypto ipsec transform-set ESP-AES-256-MD5 esp-aes-256 esp-md5-hmac
Crypto ipsec transform-set ESP-DES-SHA esp - esp-sha-hmac
Crypto ipsec transform-set ESP-DES-MD5 esp - esp-md5-hmac
Crypto ipsec transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac
Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set ESP-AES-256-SHA 256 - aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-SHA aes - esp esp-sha-hmac
Crypto ipsec transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac
Crypto ipsec transform-set ESP-AES-128-MD5-esp - aes esp-md5-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 pfs Group1 set
Crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 value 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
outside_map card crypto 65535-isakmp dynamic ipsec SYSTEM_DEFAULT_CRYPTO_MAP
outside_map interface card crypto outside
Crypto ca trustpoint _SmartCallHome_ServerCA
Configure CRL
crypto ISAKMP allow outside
crypto ISAKMP policy 10
preshared authentication
3des encryption
sha hash
Group 2
life 86400
Telnet timeout 5
SSH 192.168.1.0 255.255.255.0 inside
SSH timeout 5
Console timeout 0
interface ID client DHCP-client to the outside
dhcpd outside auto_config
!
dhcpd address 192.168.1.5 - 192.168.1.36 inside
dhcpd dns 107.204.233.222 inside the 192.168.1.3 interface
dhcpd allow inside
!
a basic threat threat detection
Statistics-list of access threat detection
no statistical threat detection tcp-interception
WebVPN
internal strategy group xxxxxxxx-sc
attributes of xxxxxxxx-sc group policy
value of 107.204.233.222 DNS server 192.168.1.3
Protocol-tunnel-VPN IPSec
XXXXXXXXXX.com value by default-field
xxxxx xxxxxxxxxxx encrypted password username
Strategy Group-VPN-xxxxxxxx-sc
remote access to tunnel-group xxxxxxxx-sc type
attributes global-tunnel-group xxxxxxxx-sc
address sc-pool pool
Group Policy - by default-xxxxxxxx-sc
tunnel-group xxxxxxxx-sc ipsec-attributes
pre-shared key *.
!
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
!
global service-policy global_policy
context of prompt hostname
call-home service
anonymous reporting remote call
call-home
contact-email-addr [email protected] / * /
Profile of CiscoTAC-1
http https://tools.cisco.com/its/service/oddce/services/DDCEService destination address
email address of destination [email protected] / * /
destination-mode http transport
Subscribe to alert-group diagnosis
Subscribe to alert-group environment
Subscribe to alert-group monthly periodic inventory
monthly periodicals to subscribe to alert-group configuration
daily periodic subscribe to alert-group telemetry
Cryptochecksum:5c1c99b09fb26fcc36a8bf7206af8e02
: end
Hello
Try adding the following commands
permit same-security-traffic intra-interface
NAT (outside) 1 192.168.1.96 255.255.255.240
Is there are always problems with VPN then I would maybe change VPN pool to anything other than something that comes into conflict with the LAN.
In this case, these configurations should do the trick
In order from top to bottom, they would do the following things
- First remove the pool VPN and VPN configurations
- Then remove the VPN pool
- Remake of the VPN Pool with different network
- Reattach the VPN pool for VPN configurations
- Configure NAT0 to the new cluster of VPN
- Remove the old line of the ACL of the configuration of NAT0
attributes global-tunnel-group xxxxxxxx-sc
no address-sc-swimming pool
no ip local pool sc 192.168.1.100 - 192.168.1.110 mask 255.255.255.0
IP local pool sc-192.168.2.10 - 192.168.2.254 mask 255.255.255.0
attributes global-tunnel-group xxxxxxxx-sc
address sc-pool pool
inside_nat0_outbound to access ip 192.168.1.0 scope list allow 255.255.255.0 192.168.2.0 255.255.255.0
no access list inside_nat0_outbound extended permits all ip 192.168.1.96 255.255.255.240
Of course you also have the NAT configuration for VPN pools new Internet traffic
NAT (outside) 1 192.168.2.0 255.255.255.0
Please rate if the information has been useful if this resolved the issue as mark responded.
-Jouni
-
Cisco ASA 5510, ipsec vpn. What address to connect the client to
Hello
It's maybe a stupid question, but I can't find the answer anywhere.
I used the ipsec vpn configuration wizard, I activated the external interface to access ipsec and went through SCW pools of addresses etc. When I try to connect with the cisco vpn client to my address of the external interface (of a remote host) I'm unable to connect. I scanned the interface for open ports, but there is not, I have to allow traffic to ipsec at this interface?
Best regards
Andreas
No, once you have configured the access remote vpn ipsec, it will be automatically activated, and you should be able to connect to the ASA outside the ip address of the interface.
Can you please share the configuration? and also which group name you are trying to access the vpn client?
-
Cisco ASA Site to Site VPN IPSEC and NAT question
Hi people,
I have a question about the two Site to Site VPN IPSEC and NAT. basically what I want to achieve is to do the following:
ASA2 is at HQ and ASA1 is a remote site. I have no problem setting a static static is a Site to IPSEC VPN between sites. Guests residing in 10.1.0.0/16 are able to communicate with hosts in 192.168.1.0/24, but what I want is to configure the NAT with IPSEC VPN for this host to 10.1.0.0/16 will communicate with hosts in 192.168.1.0/24 with translated addresses
Just an example:
N2 host (10.1.0.1/16) contacted N1 192.168.1.5 with destination host say 10.23.1.5 No 192.168.1.5 (notice the last byte is the same in the present case,.5)
The translation still for the rest of the communication (host pings ip destination host 10.23.1.6 N3 N2 not 192.168.1.6 new last byte is the same)
It sounds a bit confusing to me, but I've seen this type of configuration before when I worked for the supplier of managed services where we have given our customers (Ipsec Site to Site VPN with NAT, don't know how it was setup)
Basically we contact the customer via site-to-site VPN hosts but their real address were hidden and we used as translated address more high 10.23.1.0/24 instead of (real) 192.168.1.0/24, last byte must be the same.
Grateful if someone can shed some light on this subject.
Hello
OK so went with the old format of NAT configuration
It seems to me that you could do the following:
- Configure the ASA1 with static NAT strategy
- access-list L2LVPN-POLICYNAT allowed ip 192.168.1.0 255.255.255.0 10.1.0.0 255.255.0.0
- public static 10.23.1.0 (inside, outside) access-list L2LVPN-POLICYNAT
- Because the above is a static NAT of the policy, this means that the translation will be made only when the destination network is 10.1.0.0/16
- If you have for example a PAT basic configuration to inside-> external traffic, the above NAT configuration and the custom of the actual configuration of PAT interfere with eachother
- ASA2 side, you can normally configure NAT0 / NAT Exemption for the 10.1.0.0/16 network
- Note of the INTERIOR-SHEEP access-list SHEEP L2LVPN
- the permitted INSIDE SHEEP 10.1.0.0 ip access list 255.255.0.0 10.23.1.0 255.255.255.0
- NAT (inside) 0-list of access to the INTERIOR-SHEEP
- You will need to consider that your access-list defining the VPN encrypted L2L traffic must reflect the new NAT network
- ASA1: allowed to access-list L2LVPN-ENCRYPTIONDOMAIN ip 10.23.1.0 255.255.255.0 10.1.0.0 255.255.0.0
- ASA2: list L2LVPN-ENCRYPTIONDOMAIN allowed ip 10.1.0.0 access 255.255.0.0 10.23.1.0 255.255.255.0
I could test this configuration to work tomorrow but I would like to know if it works.
Please rate if this was helpful
-Jouni
- Configure the ASA1 with static NAT strategy
-
Original title: unable to connect to the internet
Whenever I connect to my computer and get it on my desk, it goes on to say that Cisco AnyConnect VPN Service not available. How can I fix? I am not connected to the internet and I can't connect to the internet as well. He said also Cisco AnyConnect VPN service agent is not an answer. Please restart this application after a minute. Also, I can't use my firewall for some reason, if I try to allow its loading and the greenbar's going that far - then stops and says that there is an error. I forgot where I tried to activate.
Oh thanks for the help but I fix it myself. I just did a system restore to a month before
-
VPN ipsec Cisco 877 <>- iphone
Hi, I'm trying implement the vpn ipsec between my cisco 877 and his iphone/cisco vpn client. First of all, what is the difference between remote access vpn and vpn installation easy? The phase 1 and the phase2 are completed but I don't have much traffic between peers.
Maybe I missed something conf? Should I add the roadmap with acl 101?
Here is the configuration of isakmp/ipsec.
ISAKMP crypto enable
session of crypto consignmentcrypto ISAKMP policy 10
BA 3des
md5 hash
preshared authentication
Group 2
life 3600
ISAKMP crypto keepalive 10
ISAKMP crypto nat keepalive 20
ISAKMP xauth timeout 90 cryptoISAKMP crypto client configuration group to distance-vpn
key to past
DNS 212.216.112.112
cisco877.local field
10 Max-users
Max-connections 10
pool remotely
ACL 150
Save-passwordCrypto ipsec transform-set VPN-CLI-SET esp-3des esp-md5-hmac
Crypto ipsec security association idle time 3600distance from dyn-crypto-dynamic-map 10
transformation-VPN-CLI-SET gamecard crypto remotemap local-address dialer0
card crypto client remotemap of authentication list userauthen
card crypto isakmp authorization list groupauthor remotemap
client configuration address card crypto remotemap answer
remotemap 65535 ipsec-isakmp crypto map distance Dynamics-dyninterface dialer0
remotemap card cryptoIP local pool remote control-pool 192.168.69.0 192.168.69.20
IP route 192.168.69.0 255.255.255.0 dialer0
no access list 150
REM list 150 * ACL split tunnel access *.
access-list 150 permit ip 10.0.77.0 0.0.0.255 192.168.69.0 0.0.0.255no access list 101
Note access-list 101 * ACL sheep *.
access-list 101 deny ip 10.0.77.0 0.0.0.255 192.168.69.0 0.0.0.255
access-list 101 permit ip 10.0.77.0 0.0.0.255 anyShould I apply this acl 101 loopback? Ex:
overload of IP nat inside source list 101 interface Loopback0
Should I apply an acl to permit as access-list 169 allow ip 192.168.69.0 0.0.0.255 any in my Dialer interface 0?
Other tips? Best regards.
Hi Alessandro,.
The access tunnel split list is great!
If you are NAT on public and private interface that is ip nat inside and ip nat outside etc.
You must add the command ip nat inside source list 101 interface Dialer0 overload
+++++++++++++++++++++++++++++++++++++++
Or you can create a new roadmap
new route map permit 10
ACL #match 101
command: ip nat inside the interface Dialer0 overload route map
Thank you
Adama
-
Cisco Anyconnect VPN and IPSEC coexist on ASA 5520?
Can a Cisco ASA 5520 which has been configured as IPSEC VPN gateway and also be configured as a gateway ANYCONNECT VPN and vpn IPSEC service anyconnect vpn clients clients maintenance at the same time? Any negative impact on the performance or any other problem that everyone knows?
I guess that by 2 connection limit, you are referring to the 2 licenses for anyconnect? You should consider using the anyconnect essentials license, which is relatively cheap (100-200 dollars I think) and will take you to the edge of the platform with anyocnnect.
You shouldn't have any problem using IPSEC with LDAP client. It is quite common - my company is IPSEC as Anyconnect off the coast of the same interface using authentication ldap (even same-group policy) for the two.
-Jason
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