Cisco VPN :: 5505 Authentication Using External MS AD Server
Dec 29, 2012
We have a business case where we have a group of ASA 5505's in 3 locations with anyconnect user licensing on all 3 for redundancy.The problem we are facing is that when we need to authenticate our anyconnect clients we use active directory servers located at site 1 and the other 2 sites need to contact these MS AD Servers over an already connected VPN tunnel to site 1 (IPSec l2l) but cannot.So the layout is as follows:Site 1 (houses AD servers) has l2l tunnels to site 2 and 3Site 2 (any connect essentials enabled) has l2l tunnel to site 1 and 3Site 3 (any connect essentials enabled) has l2l tunnel to site 2 and 3AD servers are ip'd as 10.1.1.11 and 10.1.1.4If I use anyconnect to site 1 it authenticates fine - as expected.Site 2 and site 3 fails to contact AD serverAny thoughts on how we can accomplish this(or is it even possible to do?) without exposing the AD server in a DMZ or via external ip?
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Jul 3, 2007
I follow step by step the link bellow to configure web-auth with external RADIUS server but I receive a error on console debug of the WLC "Returning AAA Error No Server (-7) for mobile"My Radius Server is fine, because I can authenticate on WLC Web page with RADIUS user. WLC 4402 version 4.1.171.0 [URL]
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Apr 6, 2013
I'm planning to create a network of wifi access points all in different locations. Those locations all have different wifi routers and networks. I'm looking for a easy solution that let easily setup those networks to ask authentication credentials (in a browser page, once a user is inside the wifi and wants access the internet) by an external server possibly without overloading too much that server.
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Feb 24, 2013
I have a Cisco ASA5505 and windows DHCP server, how do I add this external server to ASA so my PC clients can get DHCP from this server?
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Mar 2, 2012
I have 3 external ips from my isp:
222.222.222.221
222.222.222.222
222.222.222.223
The first one I use to provide internet access to my office. The other two I'm going to use for the following: I'm going to deploy a server in internal network which must have 2 external ips on his network interface (& one internal ip on the second,but that's ok: I cannot put an extra network switch before asa & plug this server there: this server is virtual & is on esxi host in internal network. External ips must be assigned to servers' interfacw,bot just forwarded there (ms direct access requirement).
My current config:
!
ASA Version 8.4(3)
!
hostname msk-office
[Code]....
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Feb 7, 2012
We currently use ACS 4.2 for authentication of corporate users who are accessing the network in 2 different ways:
1) VPN client (via ASA5510)
2) Wireless (EAP-PEAP)
For all users who currently access the network via either of the above 2 methods, the Password Authentication under User Account settings in ACS is set to query an RSA SecurID Token Server.
We would like to try achieve the following in ACS:
IF an access request comes from the ASA (VPN clients), THEN we would like the user's password authentication to be handled by the RSA SecurID Token Server as it currently is. IF an access request comes from the Wireless LAN controllers THEN we would like to use EAP-TLS authentication. (We are aware that we would obviously need to configure the WLC, clients, PKI infrastructure etc accordingly for eap-tls).
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Jul 4, 2012
I have Cisco WLC 2504.I was configured one wlan with external web-authentication.External web server is apache on freebsd.When user connect to wlan and open web browser, wlc redirects client to external web page, where client must input hist credentials.When client click "submit" button on external web auth page, wlc initiates RADIUS request to radius server.Radius server(freeradius) is on the same server, where apache running.
sometimes, when client enter credentials on external page and click "submit" button, wlc suddenly redirect client on internal default auth page.
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Jun 21, 2006
We have a 1231 AP and a Freeradius Server.Now we are using MAc authentication.The thing is that the AP sends two parameters to the RADIUS:
User-Name = "000ff855df2e"
User-Password = "000ff855df2e"
both are the MAC of the wireless client.I want that the AP send:
User-Name = "00-0f-f8-55-df-2e"
User-Password = "mykey"
Note that the MAC is dash separated and the password is forced to the key that I want.
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Aug 27, 2012
For guest clients , we have configured guest vlan and applied external web authenication on WLC 5508 , the session timeout value is 2700secons . When a client open a browser to internet page , wlc will redirect to URL and get the login page . After completed the login , he can go to internet page .
We find the iPhone and ipad clients will get the login page again ahfter ~ 5 mins , it is mismatch with session timeout value 2700 sec (45 mins) .
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Feb 28, 2012
I would like to configure the below setup:
End user client (Cisco Any connect/VPN client) -> ASA 5500 (AAA client) -> ACS server -> External RADIUS database.
Here ACS server would send the authentication requests to External RADIUS server.So, i have added the external user database (RADIUS token server) in ACS under External databases.I have added AAA client in Network configuration (selected authenticate using RADIUS(VPN 3000/ASA/PIX 7.0) from the drop down.
Here how do i make ASA recognize that it has to send the request to ACS server. Normally when you use ACS as RADIUS server you can add an AAA server in ASA and test it.But here we are using an external RADIUS server which has been configured in ACS, so how do i make ASA to send the requests to ACS server?
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Jan 28, 2010
I'm on my first configuration of a Cisco firewall. I'm trying ASA 5505 using Cisco ASDM 5.2 (not GUI). I configured Vlan1 (inside) and Vlan2(outside) and all seems to work correctly. Network clients can use Internet and ping internal LAN. But I've some problems with vpn and other services: 1. when I try to connect to external VPN server the connection procedure stopped in username/password validation (if I try directly, without firewall ASA, there's no problem) 2.I've problems also to see external security cam working trough a web server. I open port 1723 - 500 and GRE. What can I do more?
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Dec 26, 2011
We have a working config with 1 external IP, we need to a second webserver (https) and it should be routed via a second public IP address. I already tried some suggestions from the community but haven't been able to find the solutions.
xxx.xxx.xxx.194 is going to the internal IP of 192.168.60.1 for OWA (https)
xxx.xxx.xxx.195 should go to a new webserver on 192.168.60.3
both server should be connected using SSL This is the current configuration :
ASA Version 8.3(1) !hostname fwdomain-name domain.localnames!interface Vlan1nameif insidesecurity-level 100ip address 192.168.60.250 255.255.255.0 !interface Vlan2nameif outsidesecurity-level 0ip address xxx.xxx.xxx.xxx 255.255.255.0 !interface Ethernet0/0switchport access vlan 2!interface Ethernet0/1!interface Ethernet0/2!interface Ethernet0/3!interface Ethernet0/4!interface Ethernet0/5!interface Ethernet0/6!interface Ethernet0/7!ftp mode passiveclock timezone CEST 1clock summer-time CEDT recurring last Sun Mar 2:00 last Sun Oct 3:00dns server-group DefaultDNSdomain-name domain.localobject network obj_any subnet 0.0.0.0 0.0.0.0object network NETWORK_OBJ_192.168.70.0_26 subnet 192.168.70.0 255.255.255.192
[code].....
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Nov 4, 2011
I've configured a 5505 but internal clients can't ping external ip. To test I've connect a pc with the ip of the default router on the Outside int the ASA can ping the PC and the PC can ping the ASA, but internal clients can't ping the PC
PC config 195.12.23.241/28
Here's the ASA config, so far I've wiped the ASA and started with a blank sonfig and built it up but still not working.
ASA Version 8.2(5)
!
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
[Code] .....
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Oct 3, 2012
Does the ASA 5505 will allow the addition of a 2nd external link to its configuration? I know the device is capable of Redundant or Backup ISP Links, but that’s not what I need. I will have two different links for two different purposes. Currently we are using the ASA 5505 just for Internet access, so only the ISP link is connected, very basic configuration. We are planning a connection to a client’s global (MPLS) network and we need to be protected against any traffic coming from that network, ergo we need to use a firewall for connection to that external link.Now with the final configuration the Internet traffic must keep being routed to the ISP link, and some other traffic must be routed to the new external link. Can the ASA 5505 be configured for this scenario?
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Jun 9, 2010
I'm looking to setup AnyConnect VPN with no split tunneling. ASA 5505 v8.2. It seems this should be really easy. I must be missing something.
I can get the AnyConnect users to connect fine and they can access sites internal and at other IPSec-tunneled sites. But no access to the internet.
Internal is 10.1.1.x, VPN pool is 10.1.1.251-253 (Temp list for testing). I issued the following tracer: packet-tracer input outside tcp 10.1.1.253 12345 69.147.125.65 80 detailed
The last reported point (where it fails) is:
Phase: 7
Type: WEBVPN-SVC
Subtype: in
[Code].....
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Jun 4, 2012
I have a Cisco 5505, 2 sites that are internal, 1 external IP (dhcp from cable modem). While on my laptop, ipad, iphone, I cannot access the server via it's external IP address. I MUST use the internal IP in order to access this site. I have heard of hairpinning, internal dns server(don't really want this).
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Mar 13, 2013
We have an ASA 5505 and are changing ISPs so we'll be getting a new static IP address. How do I change the external IP address using ASDM? (I haven't done it in 5 years so I'm rusty and just want ot make sure.) The ASA and ASDM are up to date.Am i correct in that I only need to change the external address in the configuration under Interfaces, then under Routing - Static Routes - Gateway IP I just need to enter the new WAN gateway address?
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May 30, 2013
I have an old ASA 5505, and I'm having some trouble with Nat Hairpinning. I've done this with other firewalls before and I am having no luck now. I have an internal address that I wish to forward from an external address- so if someone goes to 123.456.789.012:3456 then it will forward to 192.168.1.244:92 (All numbers are arbitrary here- only for illustration). I have and Access Rule and NAT and PAT set up so that I can get in if I originate from outside the LAN. What I am trying to do is to have this work from inside the LAN as well- so that if I am at my desk, and I connect a device and type in 123.456.789.012:3456, it will deliver the content at 192.168.1.244:92. The problem I am having is that it just isn't working, and I cannot figure out why- When I started here, there was an address configured to work this way, and it still works- I just cannot find what is different between what I am doing and what the person who configured it did.
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Mar 22, 2012
We have an ASA 5505 running version 8.4. We are having problems allowing external traffic to access computers behind the firewall. Our current config is:
ASA Version 8.4(3)!hostname ciscoasadomain-name default.domain.invalidnames!interface Ethernet0/0switchport 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 Vlan1nameif insidesecurity-level 100ip address 10.2.1.1 255.255.255.0!interface Vlan2nameif outsidesecurity-level 0ip address 152.18.75.132 255.255.255.240!boot system disk0:/asa843-k8.binftp mode passivedns server-group DefaultDNSdomain-name default.domain.invalidobject network a-152.18.75.133host 152.18.75.133object network a-10.2.1.2host 10.2.1.2object-group network ext-serversnetwork-object host 142.21.53.249network-object host 142.21.53.251network-object host 142.21.53.195object-group network ecomm_serversnetwork-object
[code]....
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Sep 16, 2012
here, am used to the RouterSwitch CLI but been asked to set up an ASA 5505 8.4.Quite simply I am trying to at least test out a static PAT from an external source to an internal server in a test environment and no matter whether I set it up as an auto-nat or a twice-nat whenever I run a packet tracer I end up with the same error. This is the packet-tracer I am running-packet-trace input outside tcp 80.80.80.80 3389 10.240.0.10 3389
Phase: 5
Type: NAT
Subtype: rpf-check
Result: DROP
Config:nat (inside,outside) source static server publicIP service RDP RDP
Additional Information:
[code]....
Now I have a couple of questions initially. I have made the presumption that packet-tracer does not look at any external devices while running - as in as long as the ports are up it doesn't matter what is on the end of them for testing purposes? Is there anything I am missing?I have this morning wiped the config and have simply set up the adapters, a default route and twice nat and am not sure why I keep getting the error. I am sure it is something very simple and I'm being a massive donut!
[code]...
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May 4, 2011
I have a couple of ASA 5505's which work fine for what they are doing VPN and all that - we have 1 DLINK DFR-700 Firewall left and I need to get a new ASA to replace this since it is old.
All this box really does is port forward external clients to 1 address on the internal lan for client software updates. Any example configs?
So lets say we have client a with IP 1.1.1.1 and client b has 2.2.2.2 - at the moment this is what happens client a and b come in through http and get mapped to the internal http server 10.10.1.2
So I need to setup about 100 clients which can come in through http only - get mapped to the internal IP and also keeping the internal server to be able to access anything outside.
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May 16, 2013
I have a printer sitting on an outside interface e0/7 that external vendors were able to print to prior to an ISP IP address change and IOS upgrade.
We upgraded our IOS from 8.2.1 to 8.2.5. The printer wasn't changed so the MAC address mapping is still correct on the ISP translation list. The ISP issues DHCP MAC reservations for static IP address assignment. My printer doesn't seem to be getting the DHCP assignment now.
Here is the before and after config. I'm just wondering since this worked prior to changeing the IP and IOS changes if there is another command I need since upgrading from 8.2.1 to 8.2.5. The DHCP IP address is assigned and is working on my e0/0 vlan2 outside interface.
Config that worked prior to the IP and IOS change. hostname hrhdomain-name hrh.comenable password passwd multicast-routingnamesname 10.200.200.0 TestNet!interface Vlan1nameif insidesecurity-level 100ip address 192.168.1.8 255.255.255.0ospf cost 10ospf network point-to-point non-broadcastospf
[Code]....
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Oct 16, 2011
I have cisco ASA 5505 with security plus, i configured remote VPN with ASA for LDAP authentication which works as i want. Now i have a requierment that some users needs to get access via remote VPN but they are not part OUR SERVER Active directory, Is that a possibility that users have an access of remote VPN while not creating an account in AD and perfrom local authentication via firewall for them?
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Apr 16, 2012
We have three AD/DCs (2) in the datacenter and (1) locally
A couple of our users cannot:
Install a program that authenticates against AD
Create Mapped drives on their workstations
All of these users have full local Admin rights on their workstations.
I've restarted all the AD/DCs
I've checked and modified local security policy a couple of different ways.
I've checked Kebros authentication logs for errors.
On the static machines I've individually tested each of the DNS servers with no issues.
Here's the weird part:
Take those same machines...and move them into our static IP range 10.10.1.2-254 and boom ( things start working) .
Example of our network
10.10.1.1 /24 256 addresses Static Win 2003 R2
10.10.2.1 /23 512 addresses DHCP via ASA 5505 at a remote site
10.10.4.4 /23 512 addresses DHCP Win 2003 R2 with some of the addresses excluded at the datacenter and the other addresses excluded from distribution locally: This is so that when we have an outage machines don't go nuts from the loss of contact to the DHCP at the datacenter.
10.10.8.1 /22 1024 addresses DHCP Win 2003 R2 Not in use currently.
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Nov 28, 2011
I have a issue that i am at a loss as how to solve it. I have an ASA 5505 as my firewall. I have users from other companies who visit from time to time and are unable to use their outlook email to send messages. They can however receive messages without a problem. I also have a situation where users who use windows live to access gmail are unable to send messages.
I have narrowed it down to the fact that these uses are using ssl/tls to send the mails. I did some research and found out about the inspect esmtp setting in the ASA. I have disabled it and i still have to problem. I have also removed all outbound deny statements and still no luck.
Of note is that i can send emails without attachments. They take a long time to go out ( from minutes to hours) but eventually they do. Emails with attachments of even 10k do not go at all.
I was running image 8.2.3 and i downgraded to 8.0.5...still did not work...i upgraded to 8.4.3...still did not work. I am now back at 8.2.3.
My Firewall config is attached. I am at my wits end as to what else to try. The company has not renewed support for the device so i am on my own here!
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Nov 10, 2011
I have a cable modem internet connection and my cable modem is connected to an ASA 5505. The inside interface of the ASA has an IP address of 192.168.2.2 and is connected to a Linksys router's internet port which has an IP address of 192.168.2.1. The Linksys router then has a local area network of 192.168.1.0 and all my clients are on that network. Everything is working fine except in my ASA logs all the traffic shows up as the router's external address which is 192.168.2.1. I would like to see the 192.168.1.x address of the clients in the ASA firewall. I've tried making some changes to the Linksys router but that hasn't resolved it. Is there any changes I can make on the ASA to get this to work?
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Jul 25, 2011
I have purchased a subnet of 8 private IP addresses from my ISP. 109.x.x.128/29.The ISP has placed a juniper router within our data centre which is routing purely from 109.x.x.206/30 to 109.x.x.128/29 with the ip of fa0/1 set to .129.
I have linked a cisco 5505 to fa0/1 of the juniper from fa0/0 and configured its IP to .130. I have configured NAT to translate our client pool 192.168.16.x /24 address' to the internet.
Is it possible for the 5505 to route / map my remaing private IP addresses through its external port? I have tried creating a seperate VLAN for a DMZ for our servers to sit within but am returned with a subnetting error as VLAN for my external port is all ready configured within the same subnet.
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Sep 10, 2012
I'm configuring a 5505 for a remote office. Until they are assigned a static ip by the provider I will have to use the providers dhcp address. How do I construct an access list for the outside interface using the external address if I don't know it yet? is there a commnd that will insert the ip address in to the access list once one is assigned?
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Mar 12, 2013
How do you configure a external FTP Server for Cisco NCS 1.1? I only get setup username/password, i also need to setup FTP server IP and directory.
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Jun 20, 2012
How to take auto running configuration backup when use commit command in asr9k .Our asr9k sofware Version 4.0.1[Default] .I usse the commands
ftp client password encrypted 050D121F345F4B1B4
ftp client username cisco
ftp client source-interface GigabitEthernet0/0/0/14
ftp client anonymous-password cisco
(Password information changed)
configuration commit auto-save filename ftp://10.10.10.3/ASR9K/asr_conf But auto backup not happening .following errror showing after every COMMIT command.
( Error:Couldn't save file /ftp://10.10.10.3/ASR9k/asr_conf.
Error:'CfgMgr' detected the 'warning' condition 'Operation is temporarily suspended.' )
Manually I able to take Running-configuration backup through ftp int same lacation (ftp://10.10.10.3/ASR9K/asr_conf ) .But automatically not happening .
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May 16, 2012
I would like to know whether LMS 4.1 (local server mode) has the ability to relay syslog messages received from devices to an external syslog server? If so, how do I configure such?
From reading the document and going through the LMS 4.1 GUI, it appears that it could receive and forward messages but only between LMS system (ie. multi server mode) as SSL is required.
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Jun 2, 2011
Has anyone tried to get two factor authentication working with the asa 5505. I have a CA setup and the enrollment emails are being sent out. But when I go to login to the enrollment site at [URL]. I get a page not found.
I would like to have one factor be a username and password and the second factor being a certificate on the device.
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Sep 5, 2011
get my localhost/ server to be visible to everybody via my external IP.
Things you may need to know:
-I'm running WAMP server, and Apache is installed and running.
-I have no firewall.
-I've forwarded port 80 (HTTP) in my modem and my router configurations. (Netgear WGR614v8 Router & Embarq EQ-660R 660 Series modem)
-I've tried several DNS Hosts, none of them have worked.
-I'm not too sure about the configurations of the WAMP server, though.. here's the file (nothing is edited)
Code:
#
# This is the main Apache HTTP server configuration file. It contains the
# configuration directives that give the server its instructions.
# See <URL: for detailed information.
[Code].....
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