Ports RA VPN Client
Hello
What port I have to open in FW to connect to the vpn using the client VPN of RA.
Hi Ganesh,
ISAKMP - UDP 500
ESP - protocol 50
NAT - T - UDP 4500
IPSEC over UDP - UDP 10000 (default)
IPSEC over TCP - TCP (default) 10000
Kind regards
Arul
* Rate pls if it helps *.
Tags: Cisco Security
Similar Questions
-
What are the ports used by the Cisco VPN Client?
Hello
I need to open my outgoing traffic on my firewall to allow two interns (LAN) Cisco VPN Client to connect to their Internet virtual private network.
I already opened the port 500/UDP, but they are not able to connect. If I open all outgoing ports, they can connect.
What are the ports used by the Cisco VPN Client?
Thank you
You need to open:
UDP 500
ESP protocol
You must also open the UDP 4500 port (if using NAT - T).
In addition, if the clients are connecting to a VPN 3000 Concentrator series and it is configured for all other options of NAT-transparency, corresponding ports must be open. By default:
1. If using IPSec over TCP 10000, then open TCP 10000.
2. If using IPSec over UDP 10000, open UDP 1000.
-
Cisco VPN Client - what are the ports I need to open the 1841?
Hello. As it says on the Tin really, what are the ports I need to allow my access on our 1841 list to allow the Cisco VPN client on through it?
Ta
UDP 500 (isakmp)
UDP 4500 (nat - t)
Protocol ESP 50
-
VPN client: What ports and protocols?
Anyone know which ports and protocols are used by the cisco VPN client? (Telco needs this info, because the VPN client does not work in its network)
I know of UDP/500 (ISAKMP)
Erik
Erik,
In addition to ISAKMP, Protocol ESP 50 you and, possibly, NAT - T which is UDP/4500.
Andy
-
What are TCP/UDP ports must be open for version 4.8 of the VPN Client?
What are TCP/UDP ports must be open for Cisco VPN Client version 4.8 working?
Thank you
Normally, you need the following ports and Protocol:
UDP 500
UDP 4500
ESP
In this case, you are using IPSec over TCP, you must open the port TCP 10000 or any other port that you want to use for (its configurable) IPSec connections.
-Kanishka
-
Ports VPN Client NAT Traversal
I need to allow access to the PC Firewall etc making PAT running VPN client to a PIX running 6.3 - what ports/protocols should be opened on the firewall etc? As far as I know, it will be UDP port 500 and TCP port 10000 (or all that will be configured on the client). The network will look like this:
Customer - etc - PIX - Server
Hello
they would be:
UDP 500
UDP 4500 (NAT - T)
no need for the tcp port, pix 6.3.1 manages not ipsec/tcp, its only ipsec/udp.
THX
AFAQ
-
SSL vpn client port light with impatience
I configured a vpn ssl with client application think, with the port below before ordering.
port-forward "port forwarding".
description of the 23 local-port remote port 5000 remote control-server "10.18.20.9" 'switch '.
We should connect this device via the command in this way, telnet 127.0.0.1 prompt 5000
He managed the switch to Telnet, but is it possible to connect via ip to the real device?
or we should as a vpn client config all connect (tunnel mode) in order to telnet as the hardware directly?
There are different ways to solve this. But it depends on the device and the version you are using. As you show an IOS-config, you are quite limited in features. The SAA is mouch more powerful with VPN without client.
The choices you have are:
- Keep this behavior
- Use DNS names for the connection. Here the local 'hosting' - the table is changed, so administrator rights are needed.
- use a VPN client AnyConnect or EzVPN-based
- use the Smart Tunnels:
If you don't want to use a full-tunnel-client, you must first review in Smart-Tunnels.
--
Don't stop once you have upgraded your network! Improve the world by lending money to low-income workers:
http://www.Kiva.org/invitedBy/karsteni -
SSL VPN Client - version 4.7 WebVPN session is over; Port error.
Hi, I just upgraded to 4.7 and trying of the SSL VPN Client.
He seems to spend the largest part of the installation on client machines. I tried more than one, ut I get this error from port.
Any ideas?
Try asigning the user, an ip address on the hub
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Linksys Cisco VPN Client connection drops
I have a Linksys BEFVP41 V2. I have a PC running Windows XP SP2 with customer VPN Cisco 5.0.00.0340. I have a problem when I log in the VPN client with my employer network. It seems to be ok. No problem to do the job, hit their proxy server, etc.. All of a sudden, the connection drops. It seems to 'freeze' the network. No surfing, without PuTTY. Sometimes 5 minutes after the connection or 3 hours later. I have to disconnect the VPN connection, and then reconnect. What could be the problem? My MTU is set to 1432. The Windows Firewall has exceptions for ports 10000, 4500 and 62515. I have a network in place at 172.20.x.x... not the default or typical 10.x.x.x network. Firmware is 1.01.04 on the router.
-
Problems to connect via the Cisco VPN client IPSec of for RV180W small business router
Hello
I tried to configure my router Cisco of RV180W as a customer VPN IPSec, but have encountered a problem that I hope someone can help me with. "" I managed to do the work of configuration so that the Cisco's VPN IPSec client authenticates successfully with the XAUTH user, I put on the router, but during the negotiation, the client ends with the following, which appears several times on the router error message: ' Mar 20 Oct 19:41:53 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for
> [34360] has no config mode. I've read around the internet and a number of people seem to say that the Cisco VPN Client is not compatible with the router, but the same thing happens to my iPhone VPN client.
Is it possible that this can be implemented? Below, I have attached the full configuration files and the log files. Thank you much in advance.
Router log file (I changed the IP
addresses > respectively as well as references to MAC addresses) Mar 20 Oct 20:03:10 2015 (GMT + 0000): [r1] [IKE] INFO: floating ports NAT - T with counterpart
> [44074]
Mar 20 Oct 20:03:10 2015 (GMT + 0000): [r1] [IKE] WARNING: notification to ignore INITIAL-CONTACT> [44074] because it is admitted only after the phase 1.
Mar 20 Oct 20:03:10 2015 (GMT + 0000): [r1] [IKE] INFO: NAT - D payload does not match for> [4500]
Mar 20 Oct 20:03:10 2015 (GMT + 0000): [r1] [IKE] INFO: NAT - D payload does not match for> [44074]
Mar 20 Oct 20:03:10 2015 (GMT + 0000): [r1] [IKE] INFO: received unknown Vendor ID
Mar 20 Oct 20:03:10 2015 (GMT + 0000): [r1] [IKE] INFO: received Vendor ID: CISCO-UNITY
Mar 20 Oct 20:03:10 2015 (GMT + 0000): [r1] [IKE] INFO: NAT detected: is located behind a device. NAT and alsoPeer is behind a NAT device
Mar 20 Oct 20:03:10 2015 (GMT + 0000): [r1] [IKE] INFO: request sending Xauth for> [44074]
Mar 20 Oct 20:03:10 2015 (GMT + 0000): [r1] [IKE] INFO: ISAKMP Security Association established for> [4500] - > [44074] with spi = >.
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] INFO: receives the type of the attribute 'ISAKMP_CFG_REPLY' of> [44074]
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] INFO: login successful for the user "myusername".
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] INFO: myusername XAuthUser connected from the IP>
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] INFO: sending of information Exchange: Notify payload [10381]
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] INFO: receives the type of the attribute 'ISAKMP_CFG_REQUEST' of> [44074]
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] WARNING: ignored attribute 5
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] WARNING: attribute ignored 28683
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no mode config
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] WARNING: attribute ignored 28684
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no config mode
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: local configuration for> [44074] has no mode config
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] ERROR: remove the invalid payload with doi:0.
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] INFO: purged-Association of ISAKMP security with proto_id = ISAKMP and spi =>.
Mar 20 Oct 20:03:15 2015 (GMT + 0000): [r1] [IKE] INFO: myusername XAuthUser Logged Out of the IP>
Mar 20 Oct 20:03:16 2015 (GMT + 0000): [r1] [IKE] INFO: ISAKMP Security Association deleted for> [4500] - > [44074] with spi = > The router configuration
IKE policy
VPN strategy
Client configuration
Hôte : < router="" ip=""> >
Authentication group name: remote.com
Password authentication of the Group: mysecretpassword
Transport: Enable Transparent Tunneling; IPSec over UDP (NAT/PAT)
Username: myusername
Password: mypassword
Please contact Cisco.
Correct, the RV180 is not compatible with the Cisco VPN Client. The Iphone uses the Cisco VPN Client.
You can use the PPTP on the RV180 server to connect a PPTP Client.
In addition, it RV180 will allow an IPsec connection to third-party customers 3. Greenbow and Shrew Soft are 2 commonly used clients.
-
I use soft Cisco VPN client behind a Cisco CCCB router running. What are the ports must be opened to allow the client VPN working properly?
I am currently using:
allow an esp
allow udp any any eq isakmp
These are necessary, but you may also need to open UDP 10000 to support NAT - T if IPSec must cross a NAT border along its way.
You'll also need allow beach access VPN client address to the IP address ranges whatever they are to be used in common. This is because packages through the ACL twice, once encrypted using ESP and ISAKMP, there not yet encrypted.
So, if the VPN client has a range of pool to say 10.1.1.0/24 and his contact only the acl 10.2.0.0/16 subnet would look like:
IP access-group extended VPNACCESS
allow an esp
allow udp any any eq isakmp
permit IP 10.1.1.0 0.0.0.255 10.2.0.0 0.0.255.255
Andy
-
The VPN client VPN connection behind other PIX PIX
I have the following problem:
I wanted to establish the VPN connection the client VPN to PIX on GPRS / 3G, but I didn t have a bit of luck with PIX IOS version 6.2 (2).
So I upgraded PIX to 6.3 (4) to use NAT - T and VPN client to version 4.0.5
I have configured PIX with NAT-T(isakmp nat-traversal 20), but I still had a chance, he would not go through the 1st phase. As soon as I took nat-traversal isakmp off he started working, and we can connect to our servers.
Now, I want to connect to the VPN client behind PIX to our customer PIX network. VPN connection implements without problem, but we can not access the servers. If I configure NAT - T on the two PIX, or only on the customer PIX or only on our PIX, no VPN connection at all.
If I have to connect VPN client behind PIX to the customer's network and you try to PING DNS server for example, on our PIX, I have following error:
305006: failed to create of portmap for domestic 50 CBC protocol translation: dst outside:194.x.x.x 10.10.1.x
194.x.x.x is our customer s address IP PIX
I understand that somewhere access list is missing, but I can not understand.
Of course, I can configure VPN site to site, but we have few customers and take us over their servers, so it'd just connect behind PIX VPN and client connection s server, instead of the first dial-in and then establish a VPN connection.
Can you please help me?
Thank you in advan
The following is extracted from ASK THE DISCUSSION FORUM of EXPERTS with Glenn Fullage of Cisco.
I've cut and pasted here for you to read, I think that the problem mentioned below:
Question:
Hi Glenn,.
Following is possible?
I have the vpn client on my PC, my LAN is protected by a pix. I can launch the vpn client to connect to remote pix. Authenticates the vpn client and the remote pix makes my PC with the assigned ip appropriate to its pool of ip address.
The problem that I am facing is that I can not anything across the pix remote ping from my PC which is behind my pix. Can you please guide me what I have to do to make this work, if it is possible?
My PC has a static ip address assigned with the default gateway appropriate pointing to my s pix inside interface.
Thank you very much for any help provided in advance.
Response from Glenn:
First of all, make sure that the VPN connection works correctly when the remote PC is NOT behind a PIX. If that works fine, but then breaks when put behind a PIX, it is probably that the PIX is PAT, which usually breaks IPSec. Add the following command on your PIX VPN client is behind:
fixup protocol esp-ike
See http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/v_63/cmdref/df.htm#wp1067379 for more details.
If it still has issues, you can turn on NAT - T on the remote PIX that ends the VPN, the client and the remote PIX must encapsulate then all IPSec in UDP packets that your PIX will be able to PA correctly. Add the following command on the remote PIX:
ISAKMP nat-traversal
See http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/v_63/cmdref/gl.htm#wp1027312 for more details.
NAT - T is a standard for the encapsulation of the UDP packets inot IETF IPSec packets.
ESP IPSec (Protocol that use your encrypted data packets) is an IP Protocol, it is located just above IP, rather than being a TCP or UDP protocol. For this reason, it has no TCP/UDP port number.
A lot of features that make the translation of address of Port (PAT) rely on a single to PAT TCP/UDP source port number ' ing. Because all traffic is PAT would be at the same source address, must be certain uniqueness to each of its sessions, and most devices use the port number TCP/UDP source for this. Because IPSec doesn't have one, many features PAT fail to PAT it properly or at all, and the data transfer fails.
NAT - T is enabled on both devices of the range, they will determine during the construction of the tunnel there is a PAT/NAT device between them, and if they detect that there is, they automatically encapsulate every IPSec packets in UDP packets with a port number of 4500. Because there is now a port number, PAT devices are able to PAT it correctly and the traffic goes normally.
Hope that helps.
-
Hello
Im trying to set up my friends firewall to accept connections vpn client software to remote sites. I applied a configuration to a previous case, I did, but this time, when the client tries to connect, it comes to the point of "Securing communications channel" and goes no further. Ive attached the configuration of the pix and some debug and show the result of the command.
Also, if I wanted to limit the remote client using only the port to a single server, how I would approach this? In my case, I don't want to give the customer access to a single server on the DMZ with the port 25.
Thank you.
To limit access to only specific server and client vpn port, follow these steps:
1 allow customer traffic ipsec should be handled by an acl applied to the external interface by running this command in global configuration mode:
No ipsec sysopt connection permit
2. add these statements to acl 2, which is applied to the external interface:
access-list 2 permit tcp 172.16.1.0 255.255.255.0 host x eq 25
Notes:
ACL 2 has an explicit deny ip everything no matter which line which should be removed and added back after all the acl changes are made, otherwise he would block want you want to allow.
You may need to enable vpn clients to connect to your dns or wins servers too, unless they will respond to your e-mail address in server ip instead of the host name.
Which version of the client vpn do you use and what OS it runs? You may need to add an isakmp policy which has a duration of less than 86400 seconds to get the client to connect.
Let me know what you find.
-
Windows - Internet access, no split Tunnel L2TP VPN Clients does not
Greetings!
I have four ASA 5505 that I configured with 4 site to site VPN tunnels (works perfectly) to connect to our company facilities 4. The ASA is also configured with remote access L2TP/IPsec so that a specific group of users of portable computers can connect to and access to all facilities. It also works very well except for one important exception - my split tunnel setting doesn't seem to work, because I can't connect to the Internet outside the VPN resources.
I accept the inherent risk of allowing tunnels to split from a security point of view since I take the necessary steps to secure the systems used for remote access. I would appreciate any feedback on how to get the job of split tunnel.
Here is the configuration:
: Saved
:
ASA Version 1.0000 11
!
SGC hostname
domain somewhere.com
names of
COMMENTS COMMENTS LAN 192.168.2.0 name description
name 75.185.129.13 description of SGC - external INTERNAL ASA
name 172.22.0.0 description of SITE1-LAN Ohio management network
description of SITE2-LAN name 172.23.0.0 Lake Club Network
name 172.24.0.0 description of training3-LAN network Southwood
description of training3 - ASA 123.234.8.124 ASA Southwoods name
INTERNAL name 192.168.10.0 network Local INTERNAL description
description of name 192.168.11.0 INTERNAL - VPN VPN INTERNAL Clients
description of Apollo name 192.168.10.4 INTERNAL domain controller
description of DHD name 192.168.10.2 Access Point #1
description of GDO name 192.168.10.3 Access Point #2
description of Odyssey name 192.168.10.5 INTERNAL Test Server
CMS internal description INTERNAL ASA name 192.168.10.1
name 123.234.8.60 description of SITE1 - ASA ASA management Ohio
description of SITE2 - ASA 123.234.8.189 Lake Club ASA name
description of training3-VOICE name Southwood Voice Network 10.1.0.0
name 172.25.0.0 description of training3-WIFI wireless Southwood
!
interface Vlan1
nameif outside
security-level 0
IP address dhcp setroute
!
interface Vlan2
nameif INSIDE
security-level 100
255.255.255.0 SGC-internal IP address
!
interface Vlan3
nameif COMMENTS
security-level 50
IP 192.168.2.1 255.255.255.0
!
interface Ethernet0/0
Time Warner Cable description
!
interface Ethernet0/1
switchport access vlan 2
switchport trunk allowed vlan 2-3
switchport vlan trunk native 2
switchport mode trunk
!
interface Ethernet0/2
switchport access vlan 2
switchport trunk allowed vlan 2-3
switchport vlan trunk native 2
switchport mode trunk
!
interface Ethernet0/3
switchport access vlan 2
switchport trunk allowed vlan 2-3
switchport vlan trunk native 2
switchport mode trunk
!
interface Ethernet0/4
switchport access vlan 2
switchport trunk allowed vlan 2-3
switchport vlan trunk native 2
switchport mode trunk
!
interface Ethernet0/5
switchport access vlan 2
switchport trunk allowed vlan 2-3
switchport vlan trunk native 2
switchport mode trunk
!
interface Ethernet0/6
Description for Wireless AP Trunk Port
switchport access vlan 2
switchport trunk allowed vlan 2-3
switchport vlan trunk native 2
switchport mode trunk
!
interface Ethernet0/7
Description for Wireless AP Trunk Port
switchport access vlan 2
switchport trunk allowed vlan 2-3
switchport vlan trunk native 2
switchport mode trunk
!
boot system Disk0: / asa821-11 - k8.bin
Disk0: / config.txt boot configuration
passive FTP mode
clock timezone IS - 5
clock to summer time EDT recurring
DNS domain-lookup outside
INTERNAL DNS domain-lookup
DNS domain-lookup GUEST
DNS server-group DefaultDNS
Name-Server 4.2.2.2
domain somewhere.com
permit same-security-traffic inter-interface
permit same-security-traffic intra-interface
DM_INLINE_TCP_1 tcp service object-group
EQ port 3389 object
port-object eq www
EQ object of the https port
EQ smtp port object
the DM_INLINE_NETWORK_1 object-group network
network-object SITE1-LAN 255.255.0.0
network-object SITE2-LAN 255.255.0.0
network-object training3-LAN 255.255.0.0
object-group training3-GLOBAL network
Southwood description Global Network
network-object training3-LAN 255.255.0.0
network-object training3-VOICE 255.255.0.0
network-object training3-WIFI 255.255.0.0
DM_INLINE_TCP_2 tcp service object-group
EQ port 5900 object
EQ object Port 5901
object-group network INTERNAL GLOBAL
Description Global INTERNAL Network
network-object INTERNAL 255.255.255.0
network-object INTERNALLY-VPN 255.255.255.0
access-list outside_access note Pings allow
outside_access list extended access permit icmp any CMS-external host
access-list outside_access note that VNC for Camille
outside_access list extended access permit tcp any host CMS-external object-group DM_INLINE_TCP_2
access-list outside_access note INTERNAL Services
outside_access list extended access permit tcp any host CMS-external object-group DM_INLINE_TCP_1
DefaultRAGroup_splitTunnelAcl list standard access allowed INTERNAL 255.255.255.0
access-list sheep extended ip INTERNAL 255.255.255.0 allow INTERNAL VPN 255.255.255.0
access-list extended sheep allowed ip IN-HOUSE-GLOBAL SITE1-LAN 255.255.0.0 object-group
access-list extended sheep allowed ip IN-HOUSE-GLOBAL SITE2-LAN 255.255.0.0 object-group
access-list extended sheep allowed ip object-IN-HOUSE-GLOBAL object group training3-GLOBAL
access-list INTERNAL-to-SITE1 extended permit ip IN-HOUSE-GLOBAL SITE1-LAN 255.255.0.0 object-group
access-list INTERNAL-to-training3 extended permitted ip object-IN-HOUSE-GLOBAL object group training3-GLOBAL
access-list INTERNAL-to-SITE2 extended permit ip IN-HOUSE-GLOBAL SITE2-LAN 255.255.0.0 object-group
no pager
Enable logging
exploitation forest asdm warnings
Debugging trace record
Outside 1500 MTU
MTU 1500 INTERNAL
MTU 1500 COMMENTS
192.168.11.1 mask - local 192.168.11.25 pool IN-HOUSE VPN IP 255.255.255.0
no failover
ICMP unreachable rate-limit 1 burst-size 1
ASDM image disk0: / asdm - 623.bin
enable ASDM history
ARP timeout 14400
Global 1 interface (outside)
(INTERNAL) NAT 0 access-list sheep
NAT (INTERNAL) 1 0.0.0.0 0.0.0.0
NAT (GUEST) 1 0.0.0.0 0.0.0.0
5900 5900 Camille netmask 255.255.255.255 interface static tcp (GUEST, outdoor)
3389 3389 Apollo netmask 255.255.255.255 interface static tcp (INDOOR, outdoor)
public static tcp (INDOOR, outdoor) interface www Apollo www netmask 255.255.255.255
public static tcp (INDOOR, outdoor) interface https Apollo https netmask 255.255.255.255
public static tcp (INDOOR, outdoor) interface smtp smtp Apollo netmask 255.255.255.255
5901 puppy 5901 netmask 255.255.255.255 interface static tcp (GUEST, outdoor)
Access-group outside_access in interface outside
Timeout xlate 0:05:00
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
dynamic-access-policy-registration DfltAccessPolicy
RADIUS protocol AAA-server Apollo
Apollo (INTERNAL) AAA-server Apollo
Timeout 5
key *.
AAA authentication enable LOCAL console
the ssh LOCAL console AAA authentication
AAA authentication LOCAL telnet console
AAA authentication http LOCAL console
Enable http server
http 0.0.0.0 0.0.0.0 INTERNAL
http 0.0.0.0 0.0.0.0 COMMENTS
No snmp server location
No snmp Server contact
Community SNMP-server
Server enable SNMP traps snmp authentication linkup, linkdown cold start
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
Crypto ipsec transform-set esp-3des esp-sha-hmac TRANS_ESP_3DES_SHA
Crypto ipsec transform-set transit mode TRANS_ESP_3DES_SHA
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
life crypto ipsec security association seconds 28800
Crypto ipsec kilobytes of life - safety 4608000 association
SYSTEM_DEFAULT_CRYPTO_MAP game 65535 dynamic-map crypto transform-set ESP-3DES-SHA TRANS_ESP_3DES_SHA
correspondence address 1 card crypto outside_map INTERNAL SITE1
card crypto outside_map 1 set of peer SITE1 - ASA
card crypto outside_map 1 set of transformation-ESP-3DES-SHA
address for correspondence card crypto outside_map 2 INTERNAL training3
outside_map 2 peer training3 - ASA crypto card game
card crypto outside_map 2 game of transformation-ESP-3DES-SHA
address for correspondence outside_map 3 card crypto INTERNAL SITE2
game card crypto outside_map 3 peers SITE2 - ASA
card crypto outside_map 3 game of transformation-ESP-3DES-SHA
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
delimiter group @.
Telnet training3 - ASA 255.255.255.255 outside
Telnet SITE2 - ASA 255.255.255.255 outside
Telnet SITE1 - ASA 255.255.255.255 outside
Telnet 0.0.0.0 0.0.0.0 INTERNAL
Telnet 0.0.0.0 0.0.0.0 COMMENTS
Telnet timeout 60
SSH enable ibou
SSH training3 - ASA 255.255.255.255 outside
SSH SITE2 - ASA 255.255.255.255 outside
SSH SITE1 - ASA 255.255.255.255 outside
SSH 0.0.0.0 0.0.0.0 INTERNAL
SSH 0.0.0.0 0.0.0.0 COMMENTS
SSH timeout 60
Console timeout 0
access to the INTERNAL administration
Hello to tunnel L2TP 100
interface ID client DHCP-client to the outside
dhcpd dns 4.2.2.1 4.2.2.2
dhcpd ping_timeout 750
dhcpd outside auto_config
!
address INTERNAL 192.168.10.100 dhcpd - 192.168.10.200
dhcpd Apollo Odyssey interface INTERNAL dns
dhcpd somewhere.com domain INTERNAL interface
interface of dhcpd option 150 ip 10.1.1.40 INTERNAL
enable dhcpd INTERNAL
!
dhcpd address 192.168.2.100 - 192.168.2.200 COMMENTS
dhcpd dns 4.2.2.1 4.2.2.2 interface COMMENTS
enable dhcpd COMMENTS
!a basic threat threat detection
statistical threat detection port
Statistical threat detection Protocol
Statistics-list of access threat detection
a statistical threat detection tcp-interception rate-interval 30 burst-400-rate average rate 200
NTP server 192.43.244.18 prefer external source
WebVPN
allow outside
CSD image disk0:/securedesktop-asa-3.4.2048.pkg
SVC disk0:/sslclient-win-1.1.4.179.pkg 1 image
SVC disk0:/anyconnect-win-2.4.1012-k9.pkg 2 image
enable SVC
Group Policy DefaultRAGroup INTERNAL
attributes of Group Policy DefaultRAGroup
Server DNS 192.168.10.4 value
Protocol-tunnel-VPN l2tp ipsec
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list DefaultRAGroup_splitTunnelAcl
value by default-domain somewhere.com
Group Policy DefaultWEBVPNGroup INTERNAL
attributes of Group Policy DefaultWEBVPNGroup
VPN-tunnel-Protocol webvpn
Group Policy DefaultL2LGroup INTERNAL
attributes of Group Policy DefaultL2LGroup
Protocol-tunnel-VPN IPSec l2tp ipsec
Group Policy DefaultACVPNGroup INTERNAL
attributes of Group Policy DefaultACVPNGroup
VPN-tunnel-Protocol svc
attributes of Group Policy DfltGrpPolicy
value of 192.168.10.4 DNS Server 4.2.2.2
VPN - 25 simultaneous connections
VPN-idle-timeout no
Protocol-tunnel-VPN IPSec
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list DefaultRAGroup_splitTunnelAcl
value by default-domain somewhere.com
the value INTERNAL VPN address pools
chip-removal-disconnect disable card
WebVPN
SVC keepalive no
client of dpd-interval SVC no
dpd-interval SVC bridge no
value of customization DfltCustomization
attributes global-tunnel-group DefaultRAGroup
VPN INTERNAL address pool
Group Policy - by default-DefaultRAGroup
IPSec-attributes tunnel-group DefaultRAGroup
pre-shared-key *.
Disable ISAKMP keepalive
tunnel-group DefaultRAGroup ppp-attributes
No chap authentication
no authentication ms-chap-v1
ms-chap-v2 authentication
attributes global-tunnel-group DefaultWEBVPNGroup
VPN INTERNAL address pool
Group Policy - by default-DefaultWEBVPNGroup
tunnel-group 123.234.8.60 type ipsec-l2l
IPSec-attributes tunnel-group 123.234.8.60
pre-shared-key *.
tunnel-group 123.234.8.124 type ipsec-l2l
IPSec-attributes tunnel-group 123.234.8.124
pre-shared-key *.
tunnel-group 123.234.8.189 type ipsec-l2l
IPSec-attributes tunnel-group 123.234.8.189
pre-shared-key *.
type tunnel-group DefaultACVPNGroup remote access
attributes global-tunnel-group DefaultACVPNGroup
VPN INTERNAL address pool
Group Policy - by default-DefaultACVPNGroup
!
class-map inspection_default
match default-inspection-traffic
!
!
type of policy-card inspect dns preset_dns_map
parameters
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 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
inspect the they
!
global service-policy global_policy
context of prompt hostname
Cryptochecksum:423c807c0d63cb3e9aeceda977053f84
: end
ASDM image disk0: / asdm - 623.bin
ASDM location Camille 255.255.255.255 INTERNAL
ASDM location INTERNAL CGT-external 255.255.255.255
ASDM location INTERNAL SITE1-LAN 255.255.0.0
ASDM location INTERNAL SITE2-LAN 255.255.0.0
ASDM location INTERNAL training3-LAN 255.255.0.0
ASDM location INTERNAL training3 - ASA 255.255.255.255
ASDM location INTERNAL GDO 255.255.255.255
ASDM location INTERNAL SITE1 - ASA 255.255.255.255
ASDM location INTERNAL SITE2 - ASA 255.255.255.255
ASDM location INTERNAL training3-VOICE 255.255.0.0
ASDM location puppy 255.255.255.255 INTERNAL
enable ASDM historyI should also mention that my test clients are a combination of Windows XP, Windows 7, and Windows Mobile. Other that in specifying the preshared key and forcing L2TP/IPsec on the client side, the VPN settings on clients are the default settings with the help of MS-CHAP/MS-CHAPv2.
You must configure * intercept-dhcp enable * in your group strategy:
attributes of Group Policy DefaultRAGroup
attributes of Group Policy DefaultRAGroup
Server DNS 192.168.10.4 value
Protocol-tunnel-VPN l2tp ipsec
Split-tunnel-policy tunnelspecified
value of Split-tunnel-network-list DefaultRAGroup_splitTunnelAcl
value by default-domain somewhere.comIntercept-dhcp enable
-Latptop VPN clients (which I assume are on windows computers) is also the * use on remote network default gateway * box unchecked. It is located on the Advanced tab of VPN client TCP/IP properties. Select Client VPN > properties > Networking > TCP/IP Internet Protocol > properties > advanced and uncheck the box.
Alex
-
The VPN Clients cannot access any internal address
Without a doubt need help from an expert on this one...
Attempting to define a client access on an ASA 5520 VPN that was used only as a
Firewall so far. The ASA has been recently updated to Version 7.2 (4).
Problem: Once connected, VPN client cannot access anything whatsoever. Client VPN cannot
ping any address on internal networks, or even the inside interface of the ASA.
(I hope) Relevant details:
(1) the tunnel seems to be upward. Customers are the authenticated by the SAA and
are able to connect.
(2) by many other related posts, I ran a ' sh crypto ipsec her "to see the output: it
appears that the packets are décapsulés and decrypted, but NOT encapsulated or
encrypted (see the output of "sh crypto ipsec his ' home).
(3) by the other related posts, we've added commands associated with inversion of NAT (crypto
ISAKMP nat-traversal 20
crypto ISAKMP ipsec-over-port tcp 10000). These were in fact absent from our
Configuration.
(4) we tried encapsulation TCP and UDP encapsulation with experimental client
profiles: same result in both cases.
(5) if I (attempt) ping to an internal IP address of the connected customer, the
real-time log entries ASA show the installation and dismantling of the ICMP requests to the
the inner target customer.
(6) the capture of packets to the internal address (one that we try to do a ping of the)
VPN client) shows that the ICMP request has been received and answered. (See attachment
shooting).
(7) our goal is to create about 10 VPN client of different profiles, each with
different combinations of access to the internal VLAN or DMZ VLAN. We do not have
preferences for the type of encryption or method, as long as it is safe and it works: that
said, do not hesitate to recommend a different approach altogether.
We have tried everything we can think of, so any help or advice would be greatly
Sanitized the ASA configuration is also attached.
appreciated!
Thank you!
It should be the last step :)
on 6509
IP route 172.16.100.0 255.255.255.0 172.16.20.2
and ASA
no road inside 172.16.40.0 255.255.255.0 172.16.20.2
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