Cisco Firewall :: ASA5515 V8.6(1)2 NAT Dmz Public Server?
May 15, 2013
Could I get a validation that this config is correct in that it allows inbound access to the web server and that I should be able to ping it from my inside interface.
I tried to use the example code from Cisco DocID: 115904 for DMZ WebServer, but I found the object NAT parts did not work with my 8.6 IOS so I modified them as shown in my config.Example from 115904 doc.
!!!!
object network WebServerPublic
host 24.25.26.80
object network WebServerPrivate
host 192.168.1.80
nat(dmz,outside) static WebServerPublic service tcp www www ---> this does not code
!!!!
With the below code I do not get a ping reply sourcing from a 10.1.0.X host to 192.168.1.80 web server.And I cannot browse in from the outside to it either.I do see the MAC for 192.168.1.80 in the ASA's arp cache for the dmz interface.The web server is on a VMware ESX environment and I'm not sure it is set up correctly.
!
ASA Version 8.6(1)2
!
hostname A5515
!
interface GigabitEthernet0/0
[code]....
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Aug 26, 2012
Looking at migrating from the following:
PIX-515EPIX Security Appliance Software Version 8.0(4)Device Manager Version 6.1(5)51
to
ASA5515Cisco Adaptive Security Appliance Software Version 8.6(1)Device Manager Version 6.6(1)
Is this migration directly supported, or do I need to downgrade first?
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Aug 8, 2012
I have recently procured ASA5515-IPS-K9 for my own R & D. In that device I want to achive following milestone: Perform static routing , relay DHCP, cache flowEnable IPS with auto updateQoS for Voice and WAN traffic Protect regional Campus/LAN, WAN, regional Servers from regional Campus/LAN, WAN and InternetAllow traffic from well-known and given portsSNAT for the regional servers with given portsACL for ssh only from admin PC with TACACAS rightMaintain SNMP with Cacti, Nagois, LMS, TACACASAll LNS servers to be added as name serversMaintain time with ntp.xxx.yyy.bd.
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May 12, 2013
I was purchase ASA5515-K9 (Without IPS Edition) firewall and this is run smoothly our network. But right now i want to IPS facilities. Can i have any licnese purchase and upgrade from ASA5515-K9 to ASA5515-IPS-K9 abd use IPS edition ?
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May 23, 2013
i can't get it working to expose on internal server to an outside interface.I used the public server function in ASDM.Internet access works if i nat my private adress to one of the available ipadresses provided by our isp.
Internal Server : owncloud 172.10.0.4
External Server : ext181 46.245.171.181
I can't see the error in the configuration,
: Saved
:
ASA Version 9.1(1)
!
hostname rhedetest
domain-name xxxxx.de
enable password 59t92OvRofWL9yf3 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
[code]....
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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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Oct 8, 2012
Setup:
LAN (192.168.1.X, with .3 as gateway)
DMZ (192.168.2.X with .1 as gateway)
WAN (X.X.X.146 as primary public IP, .145 as gateway and .147-150 as additional public IPs)
I want to set it up so that X.146 is where all my outbound traffic appears to originate.I want tcp HTTPS and SMTP to be allowed from the WAN (via the X.147 IP) to a specific server (192.168.1.11) on the LAN.Also, HTTP traffic to X.148, X.149 and X.150 should go to DMZ and 192.168.2.8, 192.168.2.15 and 192.168.2.18 respectively, but I haven't added that to my config yet. Looking to get the HTTPS and SMTP ones working first, then I'll fix the others (one step at a time)I've got contact with the outside world when I've configured it using the ASDMs "Public Server" interface, but it refuses to properly establish the connection, I get a "SYN timeout".
My config:
: Saved
:
ASA Version 8.2(5)
!
hostname kcisco
enable password X encrypted
passwd X encrypted
names
[code]....
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Apr 19, 2012
I'm trying via the ASDM to port forward http connections to a DVR for the purpose of viewing IP cams.I've tried via ASDM to create a public server but I'm not allowed to use my public IP address for the public Interface.I have only one public IP address available.Is there any way round this ? I would also like to know how I can enable NAT with PAT.I've tried setting the outside Interface for use with PAT but It keeps reverting to the setting for a range of external addresses.I'm not really used to the ASA cli yet , I'm getting there.If there's a workaround via the CLI , I'll take that route.
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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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Jun 10, 2013
I am setting up an ASA5515 to replace an existing Linux based firewall. Unfortunately the ASA5515 does not support source based routing.I have two internet connections currently used for specific connections - the second connection is NOT a failover connection.I have the default route to Internet connection 1.I want to route smtp out the second Internet connection.The routers connecting to the internet are a 877 and an 878The options I am considering is a layer 3 switch between the firewall and the routers to enable source based routing or replacing the 2 routers with a single router and the appropriate wic interfaces.
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May 3, 2013
After pulling a brand new ASA5515 out of the box this morning, I spent countless hours scratching my head wondering why:
1. I cannot establish an HTTPS connection to the Management port - https://192.168.1.1/admin
2. When connecting via the console port I get prompted with a username and password sequence that I don't know
I get an SSL Version Error message when I try to connect with any browser. although I did find a way to resolve it, it requires a console port connection which is not working either.This is not my typical experience with the console or ASDM port setup.
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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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Nov 9, 2012
I got 1 public IP for router and 16 Public IP's for NAT from ISP. Both router IP in one range and the NAT IP's are in different range. I want to use 1 NAT public IP for one of my windows server.Am using cisco 1841 router, in which I ve configured the public IP provided by the ISP for router.
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Jan 17, 2012
we need to implement a scalable solution where we can provide for each customer it's own public IP so that they can access some content restricted by IP range.the solution consists of a proxy software that will "listen" to multiple IP's, then reroute the HTTP requests and rewrite the URL's to a different format.Anyways, we came to the conclusion that what we need is the following:
- broadband line with a pool of 8 IP's
- a router that can support multiple IP's
- a server
what kind of router or device is required for this kind of configuration. basically the network diagram will be like this:
Internet ----> broadband -------> cable modem ------ > multiple static IP router -------> server NIC
we should be able to add the same above combination once we run out of IP's, another broadband line, another device and server ...
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Feb 16, 2012
I have a virtual FreeNAS server running from VMPlayer and I want to allow my friends to connect to my media server from their houses, but I don't want to buy a domain. Is there a way to port them to it when they connect to my Public IP? I am willing to use another program if necessary. I have looked at Filezilla, but have the same issue.
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Jul 5, 2011
The router is 2821 and is setup to perform static NAT from one internal ip address mapping to one external ip address for each of our servers (inside the LAN): [code] Servers all have internal ip addresses and each of them represented to the outside world by their public ip address with above command on the router. Here is the problem.When I'm in a server (for example 192.168.0.210) and try to access other servers by their public ip addresses (i..e. *.*.*.211) the connection fails. However, When i try to access the same server by it's private IP address (i.e. 192.168.0.211) it works!
My issue is i don't want to modify windows host file for a manual mapping (for example mail.mydomian.com goes to 192.168.0.211 rather than *.*.*.211) because we host many domains and just doesn't make sense to do it one by one.So we must be able to access our servers by their public IP addresses in order for us our applications works correctly.
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Jan 13, 2011
I have a new (linksys/cisco) RV082 Router that I have just set up and everything is working except that I can't configure it to allow public access to our web server. I have tried configuring port forwarding under the Forwarding and UPnP menus and still no access from the outside. I have tried accessing it from the outside using both the URL and the IP address and still no access. I have checked with my ISP and no ports are being blocked from their end. I can ping my public static IP from the outside with no problem. The documentation that I've found for this router refers to a menu that is different from the menu of this router and refers to an Applications & Gaming menu which isn't there, but it seems like the port forwarding should handle this.
I have a static public IP, a static internal IP for the server. I have set the port forwarding and UpNP to point to the IP of the server using port 80 and a secondary forward to port 8080. There are no issues accessing the website from within the LAN.
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Sep 10, 2012
I have an ASA5515 and our remote sites which have a mesh topology of VPN. At some times of the day router to particular links are down do to the ISP core, but the tunnels from the same firewall can communicate to other sites. Is it possible to have a way where you could route traffic to another ASA which has a connection to both the ASA which want to communicate and have the traffic hairpinned, I know this is possible but is it possible to make this automated.
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May 12, 2013
I want to assign multiple IP addresses for VPN service on same physical interface. But ASA don't support secondary address,loopback interface.So, I tried to use IP addresses assigned on another reserved interface ,but VPN connection could not be established.Thats,s why I want to assign multiple VPN addresses,I want to move and add old ASA's VPN's IP address to new ASA located at DataCenter.
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Feb 20, 2012
i have a windows 2003 server using it as a proxy server with 2 nics. 192.xxx.xxx.xxx to the LAN and 172.xxx.xxx.xxx to the internet router. although I can browse on the LAN, i cannot ping any public ip. because of that i cannot use my outlook to get my mail.
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Dec 14, 2011
Is there a simple way to have a web server have both a static public ip (I have a block of static IP's) and an static private ip (ex 192.168.0.60)? I am running a web project management application....
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Nov 21, 2012
New to the ASA 5505 8.4 software version, but here is what I'm trying to do:
-Single static public IP: 16.2.3.4
-Need to PAT several ports to three separate servers behind firewall
-One server houses email, pptp server, ftp server and web services: 10.1.20.91
-One server houses drac management (port 445): 10.1.20.92
-One server is the IP phone server using a range of ports: 10.1.20.156
Basically, need to PAT the ports associated with each server to the respective servers behind the ASA 5505. Is anything missing from this config? Do I need to include a global policy for PPTP and SMTP? [code]
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Jan 31, 2013
I have been working for a while trying to get the Linux AnyConnect Client to Connect to the ASA using IKEV2 and EC Certs. I have gotten it to work with SSL, but I can't seem to figure out how to get IKEV2 turned on. On the profile screen (attached) in the ASA when I check IKEV2 I get the cert screen, I check the cert, but then it fails to bring the cert and unchecks the block. The Network Design is simple. ASA IP on high side (outside) 172.20.206.8 with the client at 172.20.206.50. Local LAN is at 10.200.203.0/24.
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May 24, 2012
I'm having some trouble with my P660RU-T1 configuration. I have recently set up a linux SFTP server at my home and am trying to access it via my public ip (eg 1.1.1.1), the problem is this public IP goes to the router which doesnt pass on the requests to the server.Last summer when i first messed around with this i had no problems with using the public ip to access the server, its only recently.
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Jan 10, 2012
I have a local web development server that I'd like to open up so my clients can see the sites I build for them. The server is just my old laptop that I now use only as a web server.
I'm having trouble figuring out the port forwarding for this. I have a Netgear WGR614v9. I've configured the server to have a static IP, and have port forwarding sending port 80 over to the server. I've made an exception in Windows Firewall for port 80.
So, from my understanding, I should be able to go to my http://[my public ip], and I should in the least see my servers default site.
I think my problem is that I don't have just one website hosted by Apache. But instead am using Virtual Hosts to have a handful of sites hosted. So what I don't know is how to configure the server to know what site to serve.
I know I'm missing a step with having DNS setup. I haven't gone through that step yet because I thought it wasn't immediately necessary to configure the port forwarding.
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May 13, 2011
1. how do I nat a public address to a dmz address.
2. how do I open port 80/443 in the public to this address?
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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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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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Jan 16, 2013
We have 2 IP blocks from my ISP. We have been using just one a /30 block with one IP address used on the outside interface of the device. The new block is a /29 range and I would need to use just two of those IP addresses. Here is the situation I am facing.A company we partnered with wants to set up a VPN, they will send us 2 Cisco 861s to put behind our ASA. Is it possible to assign these 861's with public IPs from the block that we are not currently using? (the /29 range)? I know that it might require an upgrade to the Security Plus.
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Oct 7, 2012
I am having normal network need to add public ip 162.196.212.32 / 29 with port 51241 in ASA firewall
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May 2, 2013
The client I am doing work for as ASA 5505 at a remote location that is using Cox Communications for the ISP. The ISP assigned 5 static IP addresses, but we only need 1 for this location. However, that is the minimum you get no matter what. The issue is that the subnet mask is a /25 and what they are telling me is that the ASA is grabbing all the IP addresses in that range. They asked if there is anyway to keep the ASA from grabbing those IP addresses. Now, I have never run into this issue before with a provider. The gateway is in the /25 subnet, so going to a /30 isn't an option.
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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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Apr 28, 2013
I have ASA 5520 with Ver 8.2.Outside interface is directly connected to ISP's router(TelePacific) and is assigned one of public IP:198.24.210.226.There are two servers inside the network with the private IP's:192.168.1.20 for DB Server, and 192.168.1.91 for Web Server.I did Static NAT 198.24.210.226 to 192.168.1.20 and 198.24.210.227 to 192.168.1.91.When I access DB Server(198.24.210.226) it's working OK but when I access Web Server(198.24.210.227) there is no response at all.I checked the inside traffic, it even did not get into the firewall.Is this the problem with ISP's router? How can we route all of our public IP's to the outside interface(198.24.210.226)?
interface GigabitEthernet0/1nameif insideip address 192.168.1.1 255.255.255.0security-level 100no shutdown
interface GigabitEthernet0/0nameif outsideip address 198.24.210.226
[Code].....
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