How many group Supportepar ASA 5520 vpn for remote access
Hello
Howmany vpn group is supported on asa 5520 with configuraion vpn remote access.
Concerning
1 if nat-control is disabled and you do not have any other order NAT in your config file, you do not have it. Try to remove the existing "NAT 0" command and "clear xlate."
2. you must ensure that your network inside know they can go by ASA to access remote vpn client IP. You have any device layer 3 behind the ASA that does the routing. If so, please verify that this is the routing table.
Tags: Cisco Security
Similar Questions
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ASA 5510 VPN for remote access clients are asked to authenticate on box
Don't know what's the matter, but my remote access users are invited to join the ASA before connecting to the tunnel. How can I disable this? Config is attached. Thank you all -
For remote access connections, you can turn off the prompt xauth (user/pass) with the following:
Tunnel ipsec-attributes group
ISAKMP ikev1-user authentication no
-heather
-
AnyConnect 3.0 supports IPSec VPN for remote access?
Hello world
I've read about Cisco AnyConnect 3.0 issues that it supports IPSec VPN for remote access:
I downloaded and installed the Client AnyConnect Secure Mobility Client 3.0.0629, but I'm not able to get the IPSec VPN works. Also, it has no option to use the previous of Cisco IPSec VPN client PCF files.
Can someone point me in the right direction to get IPSec VPN AnyConnect 3.0 work?
Thank you in advance!
Hello
Takes AnyConnect support IPSEC from version 3.0, but only in combination with IKEv2.
There is no option to use a CPF file with it and the config should be pushed through a profile Anyconnect.
More information on this:
You should also change the ASA config so that it accepts negotiations IKE v2:
http://www.Cisco.com/en/us/docs/security/ASA/asa84/configuration/guide/vpn_ike.html#wp1144572
Kind regards
Nicolas
-
ASA 5520 - VPN using LDAP access control
I'm setting up an ASA 5520 for VPN access. Authorization & authentication using an LDAP server. I have successfully configured tunnel, and I can access internal resources. What I want to do now is to limit access to a specific ad group membership. In the absence of this belonging to a group, a user cannot access the VPN.
My VPN client software testing is Cisco Systems VPN Client 5.0.05.0290 Version. The Group authentication is configured in a connection entry that identifies the Group of Tunnel. I think I wrote that correctly.
The Version of the software on the SAA is 8.3 (1).
My current challenge is getting the VPN to stop letting each request for access through little matter belonging to a group. I found the thread below to be significantly useful, but there is obviously something which is not entirely mesh with my situation.
https://supportforums.Cisco.com/message/3232649#3232649
Thanking all in advance for everything offered thoughts and advice.
Configuration (AAA LDAP, group policy and group of tunnel) is below.
AAA-Server LDAP protocol ldap
AAA-Server LDAP (inside) host x.x.y.12
Server-port 636
LDAP-base-dn dc = domain, dc = com
LDAP-scope subtree
LDAP-naming-attribute sAMAccountName
LDAP-login-password *.
LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
enable LDAP over ssl
microsoft server type
LDAP-attribute-map LDAP_MAP
AAA-Server LDAP (inside) host x.x.y.10
Server-port 636
LDAP-base-dn dc = domain, dc = com
LDAP-scope subtree
LDAP-naming-attribute sAMAccountName
LDAP-login-password *.
LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
enable LDAP over ssl
LDAP-attribute-map LDAP_MAP
AAA-Server LDAP (inside) host x.x.y.11
Server-port 636
LDAP-base-dn dc = domain, dc = com
LDAP-scope subtree
LDAP-naming-attribute sAMAccountName
LDAP-login-password *.
LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
enable LDAP over ssl
microsoft server type
LDAP-attribute-map LDAP_MAPAAA-Server LDAP (inside) host x.x.y.10
Server-port 636
LDAP-base-dn dc = domain, dc = com
LDAP-scope subtree
LDAP-naming-attribute sAMAccountName
LDAP-login-password *.
LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
enable LDAP over ssl
LDAP-attribute-map LDAP_MAP
AAA-Server LDAP (inside) host x.x.y.11
Server-port 636
LDAP-base-dn dc = domain, dc = com
LDAP-scope subtree
LDAP-naming-attribute sAMAccountName
LDAP-login-password *.
LDAP-connection-dn cn = svcacct, or = svcac, or = users, or = svcad, dc = domain, dc = com
enable LDAP over ssl
microsoft server type
LDAP-attribute-map LDAP_MAP
!
internal group NOACCESS strategy
NOACCESS group policy attributes
VPN - concurrent connections 0
Protocol-tunnel-VPN IPSec webvpn
address pools no
attributes of Group Policy DfltGrpPolicy
VPN - 10 concurrent connections
Protocol-tunnel-VPN IPSec webvpn
enable IPSec-udp
vpn group policy - pro internal
vpn - pro group policy attributes
value x.x.y.17 x.x.y.27 WINS server
Server DNS value x.x.y.19 x.x.y.29
VPN - 50 simultaneous connections
Protocol-tunnel-VPN IPSec svc
group-lock value vpn - pro
field default value domain.com
value of address ip-vpn-pro pools
WebVPN
client of dpd-interval SVC no
dpd-interval SVC 1800 bridge
!attributes global-tunnel-group DefaultRAGroup
LDAP authentication group-server
LDAP authorization-server-group
Group Policy - by default-vpn-pro
authorization required
type group tunnel vpn - pro remote access
attributes global-tunnel-group-vpn - pro
LDAP authentication group-server
Group-server-authentication (LDAP outside)
LDAP authorization-server-group
Group Policy - by default-vpn-pro
band-Kingdom
password-management
band-band
authorization required
type tunnel-group NOACCESSGROUP remote access
attributes global-tunnel-group NOACCESSGROUP
LDAP authentication group-server
NOACCESS by default-group-policyHello
The configuration of what you are looking for is a feature called DAP (Dynamic Access Policy)
The following link will explain how to set up the same.
http://www.ciscosystems.com/en/us/products/ps6120/products_white_paper09186a00809fcf38.shtml
I hope this helps.
Kind regards
Anisha
P.S.: Please mark this thread as answered if you feel that your query is resolved. Note the useful messages.
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authentication 802. 1 x on cisco VPN for remote access
I'm on dial-up VPN (mobile VPN) on cisco ASA5510, now, I want to authenticate remote users via Microsoft IAS (Radius Standard) service. However, I couldn't get through the via protocol PEAP authentication process, and it seems that it only supports PAP that isn't safe.
Any suggestion on how to implement PEAP over VPN remote access?
Thank you
Hello
It may be useful.
Best regards.
Massimiliano.
-
How to use ACS 5.2 to create a static ip address user for remote access VPN
Hi all
I have the problem. Please help me.
Initially, I use ACS 4.2 to create the static ip address for VPN remote access user, it's easy, configuration simply to the user defined > address assignment IP Client > assign the static IP address, but when I use ACS 5.2 I don't ' t know how to do.
I'm trying to add the IPv4 address attribute to the user to read "how to use 5.2 ACS", it says this:
1Ajouter step to attribute a static IP address to the user attribute dictionary internal:
Step 2select System Administration > Configuration > dictionaries > identity > internal users.
Step 3click create.
Static IP attribute by step 4Ajouter.
5selectionnez users and identity of the stage stores > internal identity stores > users.
6Click step create.
Step 7Edit static IP attribute of the user.
I just did, but this isn't a job. When I use EasyVPN client to connect to ASA 5520, user could the success of authentication but will not get the static IP I set up on internal users, so the tunnel put in place failed. I'm trying to configure a pool of IP on ASA for ACS users get the IP and customer EasyVPN allows you to connect with ASA, everything is OK, the user authenticates successed.but when I kill IP pool coufigurations and use the "add a static IP address to the user 'configurations, EzVPN are omitted.
so, what should I do, if anyboby knows how to use ACS 5.2 to create a user for ip address static for remote access VPN, to say please.
Wait for you answer, no question right or not, please answer, thank you.
There are a few extra steps to ensure that the static address defined for the user is returned in the Access-Accept. See the instuctions in the two slides attached
-
How many interfaces in asa 5510
can someone pls tell me how many interfaces in asa 5510.and we can add more interfaces to it.
concerning
Assane
Hi assane,.
When you order the ASA5510, you can choose between (option Setup/Noo-Noo fixed to add more ports interface):
1 ASA5510 device comes with 3 x FastEthernet, more 1xmanagement port (FastEthernet)
ASA5510-BUN-K9: Cisco ASA 5510 Firewall Edition includes 3 Fast Ethernet interfaces, 250 peers IPSec VPN, SSL VPN 2 peers 3DES/AES license, or
2 ASA5510 comes with 5xFastEthernet, most 1xmanagement port (FastEthernet).
Cisco ASA 5510 Security Plus Firewall Edition includes 5 interfaces Fast Ethernet, 250 VPN IPSec peers, 2 peers of SSL VPN, high availability active / standby, 3DES/AES license
http://www.Cisco.com/en/us/products/ps6120/products_data_sheet0900aecd802930c5.html
Rgds,
AK
-
Need help - ASA 5520 VPN issues
Trying to simulate our in-lab recovery facility. I have 2 ASA 5520 who have a site - tunnel site between them.
That works fine
But I also have a requirement for remote access in one of the ASA, which formerly connected needs to route through
the site - tunnel site to another server on the other side.
So far the Remoting piece connects very well, I can access all networks connected locally but I can't seem to get the traffic
to move through the site - site of the tunnel on the other side.
Is this feasible? If so, if there are suggestions that would be appreciated.
See you soon
Dave
The command is not applied to a specific interface.
The command activate the feature on the ASA to receive traffic from VPN clients on the external interface and send him outside through the same apart from the interface through the tunnel L2L (and vice versa).
Federico.
-
Community support,
I want to run this question by you guys to avoid the sales of our partner CISCO and similar pitch more to the best solution that would give us what we want.
We currently have a VPN from CISCO 3020 hub to terminate the Lan-to-Lan tunnels and have our mobile workers to connect through the client VPN CISCO (300 users-employees and contractors).
Given that this device is coming to an end of LIFE this year, we bought a CISCO 5520 (here is the current licenses in this topic)
Licensing seems quite complicated, so here's my question:
-What VPN do you recommend for our users and entrepreneurs? I understand that the CISCO VPN client does not work with ASA 5500 Series devices
Is there a license needed to deploy a VPN solution for our remote users(employees/contractors)?
Thank you
John
The devices allowed for this platform:
The maximum physical Interfaces: unlimited perpetual
VLAN maximum: 150 perpetual
Guests of the Interior: perpetual unlimited
Failover: Active/active perpetual
VPN - A: enabled perpetual
VPN-3DES-AES: activated perpetual
Security contexts: 2 perpetual
GTP/GPRS: Disabled perpetual
AnyConnect Premium peers: 2 perpetual
AnyConnect Essentials: Disabled perpetual
Counterparts in other VPNS: 750 perpetual
Total VPN counterparts: 750 perpetual
Shared license: disabled perpetual
AnyConnect for Mobile: disabled perpetual
AnyConnect Cisco VPN phone: disabled perpetual
Assessment of Advanced endpoint: disabled perpetual
Proxy UC phone sessions: 2 perpetual
Proxy total UC sessions: 2 perpetual
Botnet traffic filter: disabled perpetual
Intercompany Media Engine: Disabled perpetualThis platform includes an ASA 5520 VPN Plus license.
Your understanding that the Cisco VPN client does not work with ASA is wrong. Maybe it's the version of Cisco VPN client that you use currently does not work with ASA. But these (and so not very new indeed) versions of VPN client work with the ASA. I installed for several clients who use the traditional IPSec VPN client with ASA ASAs and they work well.
You are right that the granting of licenses for the SAA is complicated. Your tunnels IPSec VPN site-to-site will work on the SAA and pose much challenge in terms of licenses. But there are problems and alternative solutions to consider for remote access VPN clients. At this point, there are two major variants: you can use the classic IPSec VPN client or you can use the new AnyConnect client. From a licensing perspective there is a Hugh difference between them. It is not special license that applies to the traditional IPSec client and they are just against your license for peers Total VPN (for which you have 750 in your license). For the AnyConect there is a condition of licence. There is a premium for AnyConnect license and there are licensed AnyConnect Essentials. The Essentials license price is much lower than the premium license, but Essentials does not all the features that made the premium.
In the immediate future, that it would sound like an easy question to answer, use the traditional IPSec VPN client for which theere is not a special permit and it is what you are used to. However Cisco has announced the dates of end of sale and end of Support for the traditional VPN client. If at some point you will need to use the AnyConnect client. I would say that if you make the change of the ASA that it might be a good choice to also adopt the AnyConnect client.
HTH
Rick
-
ASA 5520 - VPN users have no internet.
Hello
We just migrated a Pix 515 and an ASA 5520 VPN concentrator. The firewall part works fine, but we have some problem with our remote VPN.
Everything inside network is accessible when you use VPN remote but there is no access to our perimeter network or the internet. I don't know there's only something simple you need that I'm missing, and hoping someone can shed some light on what is needed to allow the VPN tunnel back outdoors and in our DMZ.
The ASA is running 8.2 (2) 9 and ASDM 6.2 (1).
See you soon,.
Rob
From the 172.16.68.0/24 you can PING 10.10.10.1 correct?
The 10.10.10.0/24 you can PING 172.16.68.1 correct?
I'm having a hard time find now how this tunnel is up since you have PFS
activated on the SAA, but not on the PIX.Federico.
-
Redundancy ASA - Client to the remote access (AnyConnect or IPsec) VPN Cisco to 2 PSI
Hello
I realize that the true public access redundancy require routers and BGP need &AS#; but some can't afford such a solution. Should someone have ASA 5510 dry + with 2 of the ISP could use IP SLA functionality for primary education to save the failover, etc.. What VPN clients for remote access (SSL or IPSec). I'm curious if you have any other solutions/configurations on it to allow either of these customers, AnyConnect or IPsec, to try the primary counterpart and after a few failed attempts over fail to backup (even if a user tries to establish a VPN)? I know that one of the possible solutions may use a domain name FULL peer IPSec or AnyConnect client input, then maybe public operator DNS TTL change or other hosted / failover services... but these "proxy" or DNS services are not the best solution because there is cache and other associated DNS weaknesses (right)? These are not infallible fail-over, I'm sure that some users might succeed and some may fail; I do not know administrators will be like that as much as they like going to the dentist.
Anyone who has any ideas or possible solutions?
Thank you.
Hello
Backup servers are supported by remote access VPN clients.
The client will attempt to connect to the first IP/configured FULL domain name and will try the following in the list, if no response is received.
Federico.
-
How to change address on ASA 5520 VPN peer
Environment:
7.2 (1) running ASA 5520
IPSEC VPN L2L established by using wizard.
Change the IP address of the remote peer. Using ASDM, I can't change the name of the Tunnel Group (which is currently the address peer). I may change the address peer in the IPSec rule, but is that all that is necessary?
I have to add a new group of tunnel using the new address of peers for the name? If yes how it is related to other objects that are required for a VPN?
When you create a VPN using the wizard, it creates several objects that are difficult to track when changes are required. Is it better to remove all current VPN objects and create a new configuration using the wizard again?
Is it's better to make the changes using the CLI? What lines must be changed for peer address when using the commands?
Thanks in advance for any help!
I may change the address peer in the IPSec rule, but is that all that is necessary?
-No, tunnel group name must match the peer address.
I have to add a new group of tunnel using the new address of peers for the name?
-Yes.
Is it's better to make the changes using the CLI?
-I recommend it, but if you don't know you have no choice.
Add new tunnel-group with group as new name address peer, same key etc. Add a new address peer settings under rule edit ipsec peer. Then you should be able to remove the old tunnel group. Hope this helps you, been a while since I made this way.
-
VPN site to site &; outdoor on ASA 5520 VPN client
Hi, I'm jonathan rivero.
I have an ASA 5520 Version 8.0 (2), I configured the site-to-site VPN and works very well, in the other device, I configured the VPN Client for remote users and works very well, but I try to cofigure 2 VPNs on ASA 5520 on the same outside interface and I have the line "outside_map interface card crypto outdoors (for VPN client). , but when I set up the "crypto map VPNL2L outside interface, it replaces the command', and so I can have only a single connection.
the executed show.
ASA1 (config) # sh run
: Saved
:
ASA Version 8.0 (2)
!
hostname ASA1
activate 7esAUjZmKQSFDCZX encrypted password
names of
!
interface Ethernet0/0
nameif inside
security-level 100
address 172.16.3.2 IP 255.255.255.0
!
interface Ethernet0/1
nameif outside
security-level 0
IP 200.20.20.1 255.255.255.0
!
interface Ethernet0/1.1
VLAN 1
nameif outside1
security-level 0
no ip address
!
interface Ethernet0/2
Shutdown
No nameif
no level of security
no ip address
!
interface Ethernet0/3
Shutdown
No nameif
no level of security
no ip address
!
interface Ethernet0/4
Shutdown
No nameif
no level of security
no ip address
!
interface Ethernet0/5
Shutdown
No nameif
no level of security
no ip address
!
2KFQnbNIdI.2KYOU encrypted passwd
passive FTP mode
object-group, net-LAN
object-network 172.16.0.0 255.255.255.0
object-network 172.16.1.0 255.255.255.0
object-network 172.16.2.0 255.255.255.0
object-network 172.16.3.0 255.255.255.0
object-group, NET / remote
object-network 172.16.100.0 255.255.255.0
object-network 172.16.101.0 255.255.255.0
object-network 172.16.102.0 255.255.255.0
object-network 172.16.103.0 255.255.255.0
object-group network net-poolvpn
object-network 192.168.11.0 255.255.255.0
access list outside nat extended permit ip net local group object all
access-list extended sheep allowed ip local object-group net object-group net / remote
access-list extended sheep allowed ip local object-group net net poolvpn object-group
access-list splittun-vpngroup1 extended permitted ip local object-group net net poolvpn object-group
pager lines 24
Within 1500 MTU
Outside 1500 MTU
outside1 MTU 1500
IP local pool ippool 192.168.11.1 - 192.168.11.100 mask 255.255.255.0
no failover
ICMP unreachable rate-limit 100 burst-size 10
don't allow no asdm history
ARP timeout 14400
Global 1 interface (outside)
NAT (inside) 0 access-list sheep
NAT (inside) 1 access list outside nat
Route outside 0.0.0.0 0.0.0.0 200.20.20.1 1
Route inside 172.16.0.0 255.255.255.0 172.16.3.2 1
Route inside 172.16.1.0 255.255.255.0 172.16.3.2 1
Route inside 172.16.2.0 255.255.255.0 172.16.3.2 1
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, uauth 0:05:00 absolute
dynamic-access-policy-registration DfltAccessPolicy
the ssh LOCAL console AAA authentication
No snmp server location
No snmp Server contact
Server enable SNMP traps snmp authentication linkup, linkdown cold start
Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
86400 seconds, duration of life crypto ipsec security association
Crypto ipsec kilobytes of life security-association 400000
Crypto-map dynamic outside_dyn_map 20 the value transform-set ESP-3DES-SHA
card crypto VPNL2L 1 match for sheep
card crypto VPNL2L 1 set peer 200.30.30.1
VPNL2L 1 transform-set ESP-3DES-MD5 crypto card game
map outside_map 65535-isakmp ipsec crypto dynamic outside_dyn_map
outside_map interface card crypto outside
crypto isakmp identity address
crypto ISAKMP allow outside
crypto ISAKMP policy 20
preshared authentication
3des encryption
md5 hash
Group 2
life 86400
crypto ISAKMP policy 30
preshared authentication
aes-256 encryption
sha hash
Group 2
life 86400
crypto ISAKMP policy 65535
preshared authentication
3des encryption
sha hash
Group 2
life 86400
Telnet timeout 5
SSH timeout 5
Console timeout 0
a basic threat threat detection
Statistics-list of access threat detection
!
!
internal vpngroup1 group policy
attributes of the strategy of group vpngroup1
banner value +++ welcome to Cisco Systems 7.0. +++
value of 192.168.0.1 DNS server 192.168.1.1
Split-tunnel-policy tunnelspecified
Split-tunnel-network-list value splittun-vpngroup1
value by default-ad domain - domain.local
Split-dns value ad - domain.local
the address value ippool pools
username password asa1 VRTlLlJ48/PoDKjS encrypted privilege 15
tunnel-group 200.30.30.1 type ipsec-l2l
IPSec-attributes tunnel-group 200.30.30.1
pre-shared-key *.
type tunnel-group vpngroup1 remote access
tunnel-group vpngroup1 General-attributes
ippool address pool
Group Policy - by default-vpngroup1
vpngroup1 group of tunnel ipsec-attributes
pre-shared-key *.
context of prompt hostname
Cryptochecksum:00000000000000000000000000000000
: end
ASA2 (config) #sh run
Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
86400 seconds, duration of life crypto ipsec security association
Crypto ipsec kilobytes of life security-association 400000
card crypto VPNL2L 1 match for sheep
card crypto VPNL2L 1 set peer 200.30.30.1
VPNL2L 1 transform-set ESP-3DES-MD5 crypto card game
VPNL2L interface card crypto outside
crypto isakmp identity address
crypto ISAKMP allow outside
crypto ISAKMP policy 20
preshared authentication
3des encryption
md5 hash
Group 2
life 86400tunnel-group 200.30.30.1 type ipsec-l2l
IPSec-attributes tunnel-group 200.30.30.1
pre-shared key ciscomy topology:
I try with the following links, but did not work
http://www.Cisco.com/en/us/products/ps6120/products_configuration_example09186a0080912cfd.shtml
http://www.Cisco.com/en/us/products/ps6120/products_tech_note09186a00807e0aca.shtml
Best regards...
"" I thing both the force of the SAA with the new road outside, why is that? ".
without the road ASA pushes traffic inward, by default.
In any case, this must have been a learning experience.
Hopefully, this has been no help.
Please rate, all the helful post.
Thank you
Rizwan Muhammed.
-
Routing with Cisco ASA 5520 VPN
I have installed IPsec vpn remote users in the Cisco ASA 5520 using RADIUS in my main network. Works very well. I have a site to my Cisco ASA5520 tunnels going to other sites, some of the tunnels have Cisco ASA and some have SonicWalls. I wish that my users VPN remote IPSec to be able to navigate in these tunnels is a site to access remote subnets attached to these tunnels. Do I need to use a combination of routing and the ACL? Or can I just use ACL only? Or just use routing only?
Thank you
Carlos
Hello
The key to set up here is the two ACL of VPN L2L end points that determine the 'interesting' traffic to connect VPN L2L. You will also need to confirm that the connection of the VPN Client is configured so that traffic to the remote sites have sent to the connection of the VPN client. There are also other things that you should check on your ASA plant
Here most of the things you usually have to confirm
- Set up 'permit same-security-traffic intra-interface' if it is already present in your configuration
- This setting will allow connections to form between the hosts that are connected to the same interface on the ASA. In this case, applies because the VPN client users are connected to the interface 'outside' of the ASA and also remote sites are connected to the ASA to "external". If the traffic between the remote VPN Client and VPN L2L sites will be to enter and exit the same interface
- You will need to check how the customer if configured VPN connection. Split or full Tunnel tunnel
- If the connection of the VPN Client is configured as Split Tunnel then you need to add all the networks from the remote to the Split Tunnel, so that the connections between the VPN Client is transmitted to the ASA and from there connections VPN L2L
- If the connection of the VPN Client is configured as full Tunnel, then there no problem that all traffic is transferred to the Client VPN connection all its assets
- Define the VPN pool in the ACL of VPN L2L
- You should make sure that the pool network VPN Client is defined in the ACL that define 'interesting' traffic to connect VPN L2L. So, you need to add the pool VPN VPN L2L configurations on the sites of Central America and remote control
- Configure NAT0 / NAT exempt for remote VPN Client to L2L VPN Site traffic at both ends of the VPN L2L
- You must ensure that the NAT0 / exempt NAT rules exist for the VPN Client for Remote Site traffic. This will have to be configured on the SAA "outside" interface. Format of configuration varies naturally a bit on the ASA Central his software level.
These should be the most common things to set up and confirm for traffic to flow between the VPN Client and Remote Sites
Hope this helps please rate if yes or ask more if necessary.
-Jouni
- Set up 'permit same-security-traffic intra-interface' if it is already present in your configuration
-
ASA 5510 - VPN for DMZ with static rule?
I have a 5510 ASA with a number of virtual private networks to other sites, allowing the traffic to and from the Interior of the networks.
I need to establish a VPN rule to another site, but they have very little access to resources on my local network. Because I am not in control of the SAA on this end permanently, I need to control that access on my 5510.
(the following is not my real IP, but I use them for this example)
My network: 10.100.1.x
My DMZ: 192.168.1.x
Internal network of other sites: 172.16.1.x
I wanted to try to create a VPN between the site and the specific address of DMZ on my side and then allow access to internal addresses using static rules. I decided to use a static rule to enable http access to a specific server (for example):
static (inside, dmz) 192.168.1.200 tcp 80 10.100.1.200 80
I need allow traffic here:
access-list permits DMZ_IN tcp host 172.16.1.10 host 192.168.1.200 eq 80
Access-group interface dmz DMZ_IN
And of course, rules of access list which allow traffic that I can apply to the VPN:
toSite host 192.168.1.200 ip access list permit 172.16.1.10
And I don't want that traffic THAT NAT had between my DMZ and the other site:
nonatDMZ of the host 192.168.1.200 ip access list permit 172.16.1.10
NAT (dmz) 0-list of access nonatDMZ
NAT (dmz) 1 0.0.0.0 0.0.0.0
And, of course, the corresponding rules on their ASA must be in place, allowing traffic to 192.168.1.200, not NAT it.
Everything is in place, but 172.16.1.10 to 192.168.1.200 http traffic never reaches 10.100.1.200. I know the following:
1. the VPN is configured correctly. If I add rules allowing traffic to (and from) 172.16.1.10 and 10.100.1.200 directly, they work.
2 packet trace shows me that traffic is allowed.
3. the works of static rule: to access the 192.168.1.200:80 of another host on the same interface, DMZ, which brings me to 10.100.1.200:80
4. in the process of running a sniffer package on 10.100.1.200 shows 172.16.1.10 traffic does not reach it.
So I'm banging my head against the wall here. I'm sure it's something simple I'm missing. Anything else I need to check? Should I go about this a different way?
Thank you.
What you are trying to reach is not supported. You cannot configure NATing between the inside and the demilitarized zone interfaces while your VPN connection is from the external interface. The static NAT (inside the dmz) that you have configured will only work if the connection is initiated from the inside towards the demilitarized zone and vice versa.
I think that what you are trying to reach is only allowing access on TCP/80 to10.100.1.200 for the VPN tunnel.
You must configure your option 1:
1. the VPN is configured correctly. If I add rules allowing traffic to (and from) 172.16.1.10 and 10.100.1.200 directly, they work.
You can configure vpn-filter to limit the traffic to the only TCP/80, and he attributed to group policy that you have assigned to this particular tunnel group then.
Example:
web access list - allow permit tcp host 172.16.1.10 host 10.100.1.200 eq 80
internal group-policy-strategy web
attribute group web-strategy strategy
value of VPN-filter web - allows
global-tunnel-group attributes
Group Policy - by default-web-policy
Here is an example configuration for your reference:
Hope that helps.
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