Cisco Firewall :: ASA 5510 Need To Allow Public IP (OWA) Access To DMZ

Mar 3, 2013

I have DMZ n/w 192.166.0.0/24 on which i have nated on public ip
 
-private ip : 192.16.0.201 (OWA)
-public ip : 61.x.x.x.
 
when i try to access owa(public ip ) from dmz it is not allowing , From what rules i need to set to get work ASA 5510 8.2

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Cisco Firewall :: Can't Access ASA 5510 By Public IP Behind Internet Router

Feb 5, 2012

We need to deploy a Cisco ASA 5510 behind the Internet facing router for Remote Access VPN (RAVPN). We bought the block of 16 IPs (in a different subnet) which is routed through the main router (69.x.x.x)and configured the outside interface of ASA with a public IP 64.x.x.x and subnet mask 255.255.255.240. Below is the network structure.

But, we can't access the ASA by it's public IP.

DSL Modem → RV082 router → Switch → LAN
(69.x.x.x)              ↑           (192.168.0.0)
Cisco ASA 5510
(outside: 64.x.x.x, inside: 192.168.0.172)

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Cisco Firewall :: Disable Admin / ASDM Access Only On Public Interface Of 5510

Oct 12, 2011

how to totaly disable Admin/ASDM access on our public interface of our 5510.  I don't want to change IPSec or SSL access to the outside interface.  Just totaly disable access to Admin/ASDM from the outside without halting all other access.

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Cisco Firewall :: Setup 2nd Public IP In ASA 5510?

Mar 16, 2011

we have hosted voip and would like have our internet as back for their router.  We gave them public static ip so they can configure that in their router.  How can i configure the ip address in our firewall let say on asa5510 ethernet port 3 so if their router T1 goes out then our internet will work as backup.

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Cisco Firewall :: Map Public IP To Private In DMZ In ASA 5510?

Jul 22, 2012

I am now using ASA 5510 as a firewall device.I have configured 3 interfaces ethernet 0/0,ethernet 0/1,ethernet 0/2 as Wan interface, DMZ interface and Internal Lan interface. Internet is working fine from LAN as well as DMZ.The WAN interface use the Public Point 2 point IP(/30) Provided by the ISP and  another pool of Public Ip is also provided by the ISP (/28). Now I want to Map the /28 IP to some servers in DMZ . DMZ servers currently have 192.168.101.0/27 private IP . Now the problem is how to Map the Public IP to those Private IP in DMZ servers.

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Cisco Firewall :: ASA 5510 Two Public IP Subnets?

Aug 31, 2011

i just got an extra public subnet from our ISP (co hosting center) But I can't figure out how to use them on my ASA.
 
New:

IP-adresses: 87.1.1.194 - 87.1.1.254
Default gateway: 87.1.1.193
Subnetmask: 255.255.255.192
 
Old:

IP-adresses: 200.1.1.34 - 200.1.1.46
Default gateway: 200.1.1.33
Subnetmask: 255.255.255.240
 
Config:

route wan 0.0.0.0 0.0.0.0 200.1.1.33 1
 
And statics like:

static (interface,wan) tcp 200.1.1.37 3389 192.168.3.100 3389 netmask 255.255.255.255

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Cisco Firewall :: 5510 NAT Public Ip To Private

Sep 5, 2012

We have the setup as shown above, our requirement is to access mail server via ports smtp and pop3.But as the mailserver is hosted at internet users at site were not able to aceess. we need to nat a intranet ip with mail server ip and mail server ip back to intranet ip and provide the access.We use ASA 5510 firewall.

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Cisco Firewall :: ASA 5510 - NAT With 2 ISPs / 2 Different Public IP?

Oct 17, 2011

We have an issue with some NAT on an ASA 5510. Here is a simplified drawing of the ASA setup:So the issue is when we try to send traffic from 172.16.3.251 to 1.1.1.1 we got this message in the log:
 
Oct 18 2011 12:32:12: %ASA-3-305006: portmap translation creation failed for udp src inside
172.16.3.251 /37166 dst outside:1.1.1.1/23
 
It looks like there is an issue with NAT but maybe is cause of the DUAL ISP setup as packets are routed through the outside interface and not IPtelefoni_outisde?

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Cisco Firewall :: Public IP In DMZ On ASA 5510 Bridging?

May 7, 2012

I have a new 5510 which I have upgraded to 8.4(3). I have a /29 subnet from the telco on my outside interface. I have 6 subinterfaces on a dot1Q trunk on my inside interface. The customer requirement is to have two servers in a DMZ which have public IP's from the /29 subnet. The customer will not give the servers a new IP address so we are stuck with the two public IPs in the DMZ. I thought I would need a bridge group and bridge the outside, two DMZ interfaces but I read that bridging requires the firewall to be in transparent mode and then it won't support VPNs - this is not an option as I need to terminate VPNs on the box too.
 
how can I accommodate the two servers in the DMZ with public IPs whilst the ASA is in routed mode ?

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Cisco Firewall :: ASA 5510 - Scan Traffic To Public IP?

Feb 19, 2013

Im having problems with google saying we generate to much traffic to [URL]
 
I need to know which machines on the inside are talking so much with google. Can this be done via ASA 5510? do i need a third party program for this?

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Cisco Firewall :: Shared Public IP To Two Servers - ASA 5510 8.3 - NAT / PAT

Feb 5, 2012

I have a situation where we have a single DMZ server currently statically forwarded to a single public IP.  TCP ports 80, 443, 8080, 8500, 53, and 21 are open to this server via an access list.
 
However, we have added an additional server to the DMZ, and because our web developers did not communicate with me beforehand, we are forced to use the same DNS name (thus, the same piblic IP) for this server.  This server only needs traffic on TCP/8800 forwarded to it.
 
I am using ASDM 6.4 for configuration of this, as I am required to take multiple screen shots of the procedure for our change control policy.
 
My question lies in the reconfiguration of NAT/ PAT.  Since our current server has a single static NAT to a single public IP, it is simply natted for "any" port.  I understand that I can add the new server as an object, and only PAT it on TCP 8800, but will I then have to go back and reconfigure the first server multiple times for PAT, or will the ASA notice the specific PAT, and forward 8800 to the new server without affecting the existing "old" server?
 
It appears ASDM will not allow me to put multiple ports into a single network object.  I am assuming I will need to add 6 separate object translations for the "old" server based on TCP port, and 1 object translation for the "new" server, correct?

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Cisco Firewall :: 5510 Need To Configure Public IP In Few Devices

Apr 13, 2013

I have a few devices that the manufacturer told us we have to set with a public IP (No Natting) We have Internet ->ASA5510-> Switch 3550 with 3 vlans.  Up to now we have always use Natting to configure internet access to specific devices. I heard setting up a witch with one VLAN connected to the internet and all other internals is a bad idea. that was the only Idea we had.

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Cisco Firewall :: ASA 5510 - How PAT With One Public IP To Two Internal Servers

Sep 18, 2012

I've tried a bunch things but it didn't work, I'm about to gave up! :-/
 
I have the following scenario:
 
ASA5510 - v8.3(2)
 
Interfaces
ETH0/0 = outside  = 189.xxx.xxx.129
ETH0/1 = inside = 10.xx.1.15

[Code]....

What should I do to get the SIP and 8080 port working on my Public IP, likewise just as access from my browse the http://189.xxx.xxx.129:8080 and get through directly to my internal server 10.xx.xx.61 ?

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Cisco VPN :: 5510 - Changed Public IP Address / No Access On Native LAN

Jul 11, 2012

i'm running a 5510 asa and the vpn has been working great for a while.   We recently change our network provider so i had to change the public ip, and dns on the firewall... now i can still connect via the vpn and browse accross my mpls to other sites, but cant really access anything on the native lan that the firewall resides on?

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Cisco VPN :: Configure ASA 5510 Remote Access For 2nd Public Interface?

Jun 4, 2013

  Our ASA 5510 was configured with a public interface, a DMZ interface, and a private interface.  I have a remote access VPN using AnyConnect client and LDAP authentication for Active Directory.  We are changing ISP (groan!), which means all new public IP addresses.  The new circuit is installed, so I have a second public interface (same security level as the first public interface, wholly different IP address range) enabled on the ASA.  I hope to transition whatever I can, which means get the VPN access through either public interface.  Can I just enable client access on the second public interface at the Anyconnect Connection Profiles tab in ASDM?  That seems too simple.  Can they share the one address pool? 

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Cisco Firewall :: ASA 5510 - How To Assign Multiple Public IP Addresses

Dec 2, 2010

I'm currently replacing my ASA 5505 with a 5510. I have a range of public IP addresses, one has been assigned to the outside interface by the setup wizard (e.g. 123.123.123.124 ) and another I would like to NAT to an internal server (e.g 192.168.0.3 > 123.123.123.125). On my asa 5505 this seemed fairly straigh forward, i.e. create an incoming access rule that allowed SMTP to 123.123.123.125 and then create a static nat to translate 192.168.0.3 to 123.123.123.125. Since I've tried to do the same on the 5510 traffic is not passing through so I'm assuming that the use of additional public IP addresses is not handled in the same way as the 5505? I also see that by default on the 5505, 2 VLANs are created, one for the inside and one for the outside, where as this is not the case on the 5510. Is the problem that VLANs or sub-interfaces need to be created first?  I'm doing the config via ASDM.
 
Everything else seems to OK i.e. access to ASDM via 123.123.123.124, outbound PAT and the site-to-site VPN.

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Cisco Firewall :: Remote VPN On ASA 5510 Failing To Hit Public Servers?

Mar 12, 2012

I have a Cisco ASA 5510 that was set up as a VPN server for working remote.  I have disabled split tunneling so that all traffic created while VPN'd in goes through the ASA.  The problem I'm having I believe would be resolved if I enabled split tunneling but I would prefer another solution.  Now..for the problem.When a user is connected via VPN, they can hit all intended devices both public and private accept servers that have static NATs in the FW.  So Server A has a public of 1.1.1.1 which is one to one mapped to private address of 10.1.1.1.  Now if the remote user brings up a browser and goes to 1.1.1.1 it wont work.  The FW gives me a error which is posted below.  However, using the private IP of the server works.  I thought about trying to manipulate DNS to resolve this as the remote users are using URLs and not IPs when trying to reach these servers but again, was hoping I could resolve the NAT problem that the FW seems to be having.
 
Asymmetric NAT rules matched for forward and reverse flows; Connection for tcp src Outside:192.168.202.100/49238 dst INSIDE:1.1.1.1/80 denied due to NAT reverse path failure 192.168.202.x/24 is the remote vpn ip given via the ASA. 

Here are some configurations on the ASA:
 
static (INSIDE,Outside) 1.1.1.1 10.1.1.1 netmask 255.255.255.255
 access-list INSIDE_nat0_outbound extended permit ip object-group DM_INLINE_NETWORK_2 192.168.202.0 255.255.255.0 
object-group network DM_INLINE_NETWORK_2

[code].....
 
Outside with 4.4.4.4 as the public ip traffic gets NAT'd do dynamically Inside with 10.1.1.x network on it.The ASA is running 8.2

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Cisco Firewall :: 5510 - ASA 8.4 - How To Setup Additional Public IP's On Outside Interface

May 10, 2012

getting my additional IP addresses working on my ASA 5510.  I have a /29 allocation and outbound access and inbound access to my internal www server is working fine through the default outside interface.   However, I now need to setup a second IP address that maps internally to a different web server.  When I setup a new network object with automatic NAT translation to the new IP address, it does not work.  If I setup the same scenario using the outside interface, it works fine.  What is the proper way to setup additional IP address on my ASA v8.4? 

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Cisco Firewall :: ASA 5510 - Connect From Inside To Web Server On DMZ With Public IP

Sep 11, 2012

I hava ASA5510. INSIDE,DMZ and OUTSIDE interfaces are configured. I hava web server on DMZ ip:10.0.0.1 and it is static natted to 1.1.1.1. From internet i can reach to web server with IP:1.1.1.1 and from INSIDE connect to web server with IP:10.0.0.1. Now i want to connect from INSIDE to WEB server via public IP(1.1.1.1).how can configure it?

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Cisco Firewall :: 2nd Public IP Address On 5510 That Points Nowhere Internally

Mar 15, 2011

Will I break anything if I create a second IP address on the physical external interface of our ASA 5510?  I want to point it nowhere internally but want an active interface that can be vulnerability scanned but won't lead anywhere internally.

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Cisco WAN :: ASA 5510 - Allow Local Network To Access Public Internet Address On DMZ

Mar 14, 2013

I have a Cisco ASA 5510 I am using ASDM 6.1
 
I have a LAN and a DMZ and an internet connection. I am using one of the internet connection IPs to host a HTTP service on a server in my DMZ.  (its the same interface as my internet connenction but a different IP to the one used for internet connectivity)
 
so say my LAN is 192.168.1.x
and my DMZ is 172.168.1.x

I can access DMZ from Lan and vice versa. when i try to access the public IP (or URL) from a pc in my LAN i get nothing.
 
I have enabled DNS rewrite (doctoring) but it is still not working. the HTTP service is available from other sites.

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Cisco Firewall :: 5510 NAT Port Forward Based On Public Source IP?

Dec 27, 2011

I have one public IP address but multiple local servers that run on the same port. I cannot change the port the clients use to connect to this server, so I can't do a port map in my NAT router. The solution I had in mind, is to filter on source address. If a client from public IP X.X.X.X connects to port Z, I want it to go to internal server 10.10.10.10 and if a client from public IP Y.Y.Y.Y connects to port Z, I want it to go to internal server 10.20.20.20. Is this possible? I'm using an ASA5510 but I could also switch to a 5505 for this.

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Cisco Firewall :: 5510 Single Outside Public / Can PAT Out And NAT SMTP Server Back

Jul 30, 2012

I have an ASA 5510, one public IP address on my outside interface, an internal email server and a private network.I would like...

1: Users on my private network to be able to access the internet (PAT them to external outside address)
2: Email to be delivered to my MX (my single public IP address translated back to my internal email server.
 
i.e. can I share my single public IP address to serve translation in both directions (private users surfing the Internet (in-to-out) and an outside to inside NAT for email) ?
 
Email (MX) = 1.2.3.4
Public (outside) address = 1.2.3.4
Email server internal = 10.1.2.3
Internal private subnet for users = 10.0.0.0/8

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Cisco Firewall :: 5510 Unmatched HTTP Traffic To Symantec Public Transparent Proxy

Sep 4, 2012

I am working on a task of redirecting any unmatched http traffic to Symantec public transparent proxy through Cisco ASA. For the definition of uncatched http traffic, we have inbound squid servers for deploying IE proxy pac and redirect the http traffic to Symantec public transpraent proxy, however we can't deploy IE proxy pac to mobile device and non-support web browers.Since we have some application using IE proxy setting for direct http communication with external domains, the current symantec policy addes those domains in the exception list so that they are not redirect to Symantec public transparent proxy server.
 
-For the platform - Cisco ASA 5510 ASA 8.4(4)1

-For the solution, I have the following two nat rules

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Cisco VPN :: 5510 Create A Site-to-site VPN Without Access To Public IP?

Jul 12, 2012

Our HQ office has an ASA 5510 with full access to internal and external IP's.  We have a small group of remote users that are working from a shared office suite and they only have Internet access by way of internal default gateway.  Using a VPN client is not desirable due to many other devices requiring access to HQ.  Is there a way to create a site-to-site VPN from this remote office space back to HQ (ASA 5510) if they have no access to the public IP address on their end?

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Cisco Firewall :: ASA 8.4(3) - Access To Public IP Address From Inside

May 22, 2012

I need to connect from an inside host to a host located in the DMZ zone for DNS queries. The host in the DMZ zone has a static NAT to the outside. The point now is that I would like to connect from inside to the NATed outside address, means to the public Internet address.
 
Inside host: 10.0.0.1 -> PAT for 10.0.0.0/8 to 20.0.0.254 (Outside Interface)
DMZ host: 192.168.1.1 -> NAT to outside to 20.0.0.1
 
The traffic should be 10.0.0.1 udp>1024 to 20.0.0.1 udp=53. The source IP address on the outside interface now is 20.0.0.254 (according to the PAT), the destination IP address 20.0.0.1. The DNS reply from 20.0.0.1 should go back now to 20.0.0.254 and then to the inside host 10.0.0.1.
 
I know that on the PIX it was not possible, to have outgoing traffic on the outside interface which immediately enters again the same interface. Can I realize this scenario with the ASA 8.4(3) release now?

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Cisco Firewall :: PIX 515e Allow LAN Users To Access ISP Assigned Public IPs

Dec 16, 2012

Pix 515e 6.3.4..A web server on our DMZ is exposed for external access.There is an "A" record (webserver.yyy) on a public DNS for this public IP.This works fine for external users. url..Now I have been asked to allowed our LAN user to access the same link and I CANNOT CREATE AN INTERNAL DNS RECORD TO TAKE CARE OF THIS, which means when our internal users access that link, the request goes out of OUTSIDE interface with a NAT overloaded address(111.111.111.2) that is in the same subnet as the URL is trying to resolve. Once it knows the IP address thru DNS resolution tries to comes back in thru the same Interface(OUTSIDE) to hit the web server in the DMZ and is not able to.
 
1- Where does the request from an internal user to hit url is dropped?
 
2- what can be done to allow this type of connectivity in the PIX 515e device?

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Cisco Firewall :: Using VLANs With ASA5505 For Private And Public Internet Access

Oct 2, 2012

I am trying to provide internet access to public and private SSID's on Cisco AP541n using VLAN's connected directly to ASA5505.  VLAN1 is inside interface (private) and VLAN12 is wlan interface (public SSID). The AP541n is plugged into switch port 0/7 on an ASA 5505.Port 0/7 is configured as trunk mode.  I have internet access when connected to private SSID but no internet access when connected to public SSID. why I can't access internet on public SSID? 
 
logging class ip history emergencies
mtu inside 1500
mtu outside 1500

[Code].....

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Cisco Firewall :: 1841 / Can't Access Public IP Of LAN2 From Host On LAN1

Dec 11, 2012

i am using a Cisco 1841 with subinterfaces instead (NAT on a stick).From the internet i can access services on public IP being hosted in LAN2. But when i try to access the same services on the same public IPs but sitting on LAN1, it does not work.

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Cisco Firewall :: 1841 - Can't Access Public IP Of LAN2 From Host On LAN1

Dec 11, 2012

i am using a Cisco 1841 with subinterfaces instead (NAT on a stick).From the internet i can access services on public IP being hosted in LAN2. But when i try to access the same services on the same public IPs but sitting on LAN1, it does not work.

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Cisco Firewall :: ASA 5550 - Direct Access To Public IP Address From Inside Network?

Jan 23, 2012

We have ASA 5550, I have a portal server in the dmz which is natted statically to a public ip address for port 443. The application works fine from outside world. The server is also nated with a dynamic nat from inside to dmz and when I hit on the dmz ip from my inside it works fine.
 
The requirement for us is that the users sitting behind the inside (i.e. LAN) should access the server on the public ip address and not thru the dmz.

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Cisco Firewall :: ASA 5520 8.4(1) Public WAN To Public DMZ?

Jul 10, 2011

i have an ASA 5520 8.4(1) setup as follows
 
      public wan
          |
          |
       ASA-- public dmz
          |
          |
      private lan
 
i need to allow https traffic to a server in the DMZ that will have a routable IP address will just an ACL suffice ?which interface do i apply it to ? wan or dmz ?i dont need a NAT since the DMZ is a routable space?

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Cisco Firewall :: ASA 5510 - Users Unable To Access Internet Through Firewall

Feb 26, 2013

I have some problem with the ASA 5510 ver 7.0(6). My manager wants to keep this as backup. tried lots of things but still users not able to access internet nor can i ping anywhere.For example when i ping 4.2.2.2 i dont get any reply.The runing config is below for ur ref :
 
HQ-ASA-01# show  running-config
: Saved
:

[Code]......

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