Cisco VPN :: 5505 - Logged In VPN Can't Access DMZ From Internal Network
Apr 9, 2012
What I got is a 5505 ASA firewall and I'm connected to it via VPN. I'm pulling an 192.168.169.x address because that's what we set their company's internet LAN to. Which is what we want. What I can't do while I'm VPN'd in is ping from the internet network to the DMZ, and the same when I try and ping from the DMZ to the internal network.
The DMZ is on a 196.0.0.x network.The internet network is 192.168.169.x network.
I don't need them to have internet access on the DMZ I just want to be able to access it from the internal network. What is going on is we need them to be able to VPN into the DMZ and access their equipment. At this point it would just make me happy to be able to ping from the internal network to the DMZ and I can figure it out from there I've setup rules and applied them and when I wasn't having success I referred back to defaults. Right now the rules are set at default, any thing in and anything out, on both internal and DMZ. I'm using a VPN client and going through Cisco ASDM Launcher to setup the rules and static routes, I haven't done anything with the command line. All the research I've done everyone does it command line, I find it easier to do it GUI. This is my first time working with an ASA firewall.
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May 7, 2012
I have created remote access vpn in my ASA 5505. The tunnel is established but i am not able to access the internal network.
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Sep 10, 2012
I have a 5505 between a vendor router & my company network, vendor is not able to access devices on internal network. I am also not able to access the firewall via asdm
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Apr 3, 2013
I am having some trouble accessing some backup Email (Outlook Web Access) and Citrix servers located behind an ASA 5505 firewall at a remote datacentre. Simply put, when I go to the specific URL (e.g. [URL]) I do not arrive at the splash page, I just get a message saying that the server took too long to respond in the web browser. I'm wondering whether I have missed something on the configuration or the firewall itself is not letting my requests through. The remote servers are located at a remote Disaster Recovery site and use the subnet 192.168.4.0/24. I am at head office which is connected to the DR site via a VPN using 192.168.1.0/24.
[Code] .....
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Jan 17, 2013
A customer has a ASA 5505 with a remote access vpn. They are moving their internal network to a new scheme and would like users who come in on the vpn to access both the exisiting and new networks. Currently the can only access the exisiting. WHen users connect to the remote access vpn, the asa gives them an address of 192.168.199.x. The current internal network is 200.190.1.x and they would like to reach their new network of 10.120.110.x.
Below is the config:
:
ASA Version 8.2(5)
!
hostname ciscoasa
[Code].....
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Aug 2, 2011
I tried the solution posted at [URL] however it did not work on my ASA5505 8.4(2). I thought that it may be because I only have a single public address so the web server is responding to port forwarding through the one public IP already. looking in ASDM it appears to indicate that a configured access list is blocking the server from responding to the internal hosts.
object network Private_IP
host 192.168.1.15
object network Public_IP
host 1.1.1.1
object-group network internal_net
[code]....
Can I fix an access list (or something) to make this work or am I wishing for too much with only one public IP? This worked by default on my Netgear firewall.
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Nov 11, 2012
I have the connection working with my ASA 5505 but cannot ping the internal network. (Note external interface is getting the IP via DHCP)
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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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Feb 21, 2013
I have a Cisco ASA 5505 (version above) and I have someone that needs to SSH into a box behind the ASA. I'm having a few issues trying to configure this access-list and NAT. I've tried many combinations and clearly my IOS is not as good as I thought. What commands should I enter to accomplish mapping SSH from an outside network range to an internal host ?
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Jan 25, 2012
I now need to configure an ASA 5505 for a small server farm. It's fairly straightforward:isp -> asa5505 -> internal servers,'m using static addresses -- no DHCP involved.VPN works; I can get into the internal network.pinging from the ASA to an external address works,However, I cannot get from a laptop connected to an internal port out to the internet, either using ping or typing an address in the browser.
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Feb 6, 2011
I'm new to this cisco 5505 and I want to carry out a task as simple as a remote access VPN, in my case I did the wizard, with time on my test, I could connect to the VPN, but I can not ping any device internal network. [code]
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Jan 15, 2012
Cisco ASA 5505 Cannot Ping Secondary Internal Network.
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Oct 27, 2011
For a customer I have configured a new ASA 5505 firewall with 8.42 software. I had to build 3 ipsec tunnels to different locations and firewalls. All tunnels are working except one. I have to translate the inside network 1 to 1 to a different private range before it is sent over the tunnel. Each host from network 192.168.133.0 /24 has to be translated to a 192.168.112.0 /24 host and then sent over the tunnel. (e.g. 192.168.133.22 translated to 192.168.112.22)
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May 17, 2013
I have a ASA 5505, which has two IPSec RA tunnels build, for each one the user is able to authenticate and get an IP address is the designated IP pool, but they are not able to ping the Firewall, or RDP to any internal servers. Here is a copy of the running config:
: Saved
:
ASA Version 7.2(2)
!
hostname ciscoasa(code)
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Aug 23, 2012
I have configured an ASA 5505 to connect a single internal network to internet, it is not working. I have attached the config
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Dec 19, 2011
I have an ASA 5505 configured with internal network, a DMZ, and a VPN on seperate subnets. The implicit rules allow my internal client computers to connect to the web servers on the DMZ IP, but I can not connect to the public NAT address from the internal network. I have a DNS server on my internal network and it does resolve to the public IP correctly. NAT seems to be working correctly because if I go outside the network and connect to the public IP or qualified name then I can get to everything correctly. I do not see any messages in the Cisco logs and the packet trace tool shows the route of http from an internal IP adddress to the external (NATed) address is allowed.
Specifically, I can go to http://192.168.1.121 from the internal (192.168.0/24) network, but I can not go to http://72.22.214.121 (the NAT address) from the internal network. If I am outside my cisco then I can go to http://72.22.214.121 easily. [code]
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Sep 9, 2012
After upgrade to ACS 5.2 appliance , we are trying to configure AAA between Ciscoworks and ACS. Authentication is working but authorization fails , logged user cannot access to admin parameters. I've configured attributes manually but it doesn't work.Does ACS 5.2 support integration with CiscoWorks?
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Nov 25, 2012
I have configured PPTP Server on RV042, and created 3 accounts. I am able to connect from Windows PC without any problems.
In the router's logging utility, there doesn't appear to be any log entries indicating either successful or failed attempts to connect to PPTP server. The only access logs I see are for access to the router's configuration utility. Is there a way to view PPTP access in the router system log?
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Oct 28, 2012
I seem to be having an issue with my PIX configuration. I can ping the VPN client from the the internal network, but can cannot access any resources from the vpn client. [code]
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May 18, 2011
We have ASA5510s and I've configured an SSL VPN using AnyConnect.. The VPN address pool is 10.10.10.0/24 and our internal network is 10.10.20..0/24. After successful login, using LDAP. the client receives a 10.10.10.0/24 address from the pool, but cannot access anything on the internal 10.10.20.0/24 network. I've toyed with access lists and NAT exemption, but to no avail. What do I need to do?
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Sep 13, 2011
is there a way to see who logged on my network at any time during the day/week/month?
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Mar 14, 2011
I am trying to build a remote vpn in ASA 5520 Software Version 8.3(1). I am using ASDM 6.3(1) for the configuration. I went through the SSL VPN wizard and did the configuration. I tried connecting to the ASA using anyconnect VPN and I could successfully connect the VPN. My home laptop takes an IP 192.168.60.21 (which I have defined in the wizard). Now my issue is, I can't access any office internal network from this laptop (none of the internal IP is ping ing even). Meanwhile, I could ping and rdp to this laptop(which is connectd by anyconnect VPN) from my office network. One thing I noticed is that when I give a traceroute to an internal IP from the laptop, the first hop goes to my home ISP router.
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Nov 19, 2012
I have a base config of AnyConnect VPN below, however the ASA 8.3.1 code has deprecated some commands and the VPN/NAT/FW rule syntax is quite different. Can som point out what's missing from the pertinent config below that prevents the VPN Pool from accessing the internal LAN?
The Core LAN router is 1.2.3.1.
!
ASA Version 8.3(1)
!
interface Ethernet0/0
nameif inside
security-level 100
ip address 1.2.3.2 255.255.255.0
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Aug 22, 2011
how to find the current logged on user on a domain network? I tried nbtscan but it gives me ip address, machine name and mac address. In the server column it gives <server> and in the user name column it give <unknown>.
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Feb 28, 2013
I have created a new sub-interface on our ASA 5520 for guest internet access.
My goal is to allow access to a few specific services hanging off some dmz interfaces on the same firewall and full unrestricted access to the internet only. Everything else should be out of bounds.
The order of the rules I plan to setup on the guest interface inbound are:
#1. <rules to allow access to specific services in the dmz>
#2. <block any ip access to the entire private network ip address space>
#3. <permit ip any any>
#1. These rules will give access to the guest user to services located in the dmz
#2. This rule will block all access to any services in the private ip address space (thus blocking access to all internal services)
#3. This rule is to allow access to any other services i.e. the internet.
Is this the best way to achieve my goal in the most secure way or is there a better way? i.e. is there a way to force the traffic by default to only go out the outside interface unless there is a specific rule allowing it go elsewhere?
(Of course Dynamic PAT will also be configured for traffic coming from the guest interface to the outside interface.)
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Aug 1, 2012
After connecting via anyconnect client 2.5, I cannot access my internal network or internet. My Host is getting ip address of 10.2.2.1/24 & gw:10.2.2.2
Following is the config
ASA Version 8.2(5)
!
names
name 172.16.1.200 EOCVLAN198 description EOC VLAN 198
dns-guard
!
interface Ethernet0/0
description to EOCATT7200-G0/2
switchport access vlan 2
[code]....
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Aug 23, 2011
I am using ASA 5520 with 8.2.4 IOS. I'm new to ASA/Firewall. I need to do access webserver from outside network.From Laptop (192.168.2.51), If I connect to url... it should open page from 10.10.10.50.I also need to ssh to webserver from laptop. If I ssh to 192.168.2.50 from laptop, it should connect to 10. 10. 10.50. [code]I can't get to webserver from outside network, so now, I connected laptop to directly ASA 5520 outside port with crossover cable.ASA Inside port connects to L3 switch. Webserver also connects to L3 switch. But still doesn't work.
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Oct 31, 2011
I have configured Clientless SSL VPN for access to ASA 5540 internal network. Still I am unable to take ssh to my core switc [code]
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Dec 18, 2012
I have the syntax correct and thought process down right on a solution to allowing guest wireless users access to an internal webserver. (DMZ discussion aside)
We have an ASA5510 with interfaces setup as:
outside - 65.x.x.x address
inside - 172.20.1.2
guest_inet - 10.2.1.1
Internally clients resolve our website to 192.168.40.40 and that part works as it should. Clients outside of our network resolve our website to the correct external address (lets just call it 1.1.1.1). We have a NAT statement static (inside, outside) 1.1.1.1 192.168.40.40 netmask 255.255.255.255 and an ACL to permit tcp any host 1.1.1.1 eq www
Clients on our guest_int use an external DNS server and hence resolve our website to 1.1.1.1. However it seems traffic goes out and back in our outside interface and this connection never occurs.
What I'm wondering is the correct NAT statement / ACL to add that would allow our internal clients on the 10.2.1.x network to access our internal website. Would that be: static (inside,guest_inet) 1.1.1.1 192.168.40.40 netmask 255.255.255.255 ? Since there is already an ACL permitting port 80 traffic to 1.1.1.1 we should be taken care of on the ACL side of things, right?
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Jan 23, 2012
We have a Cisco wireless infrastructure in place that includes a guest network with its own subnet that is a sub interface of the inside interface on our ASA 5520. There are no routes for it to be allowed access to the internal subnets. So it can only access the internet. This is primarily used by the public, but we have several non employee personnel that we only want to give internet access and force them to access the internal network through our clientless SSL vpn portal or through other internet facing internal resources such as webmail.I have done packet traces from within the ASA and the break appears to be there is no ACL allowing the traffic back into the network once the web resource replies to the request and the traffic is attempting to come back into the network from the web resource. Is that as clear as mud?
I know that this has to be a common problem and a way around this is to allow the guest wireless network access to the internal network but only for the select resources that they require. And that this can be done seemlessly by network specific routes and or alternate DNS entries, but I would like to keep this simple and just allow them to access the web resource, webmail and VPN, from the guest wireless using internet DNS servers without route trickery.
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Mar 20, 2012
Currently i am having a scenario where i have setup RV042 and which is connected to Microsoft Forefront 2010. PPTP works fine only on rv042 subnet but i am not able to access the "internal" network of TMG.RV042 (172.16.1.1) ---> TMG [external] (172.16.1.2) ---> TMG [internal] (192.168.1.1) Is there any way through static route to access the TMG internal network through RV042 pptp server?
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Aug 11, 2011
I'm given an ASA 5505 to configure for remote access vpn. I can establish vpn connection to the ASA 5505 but can't access any of the internal vlan/subnets. I configured three of the ASA ports for connection into each of the internal subnets/vlan via a switch.Given below is my full configuration.
ASA5505# sh run: Saved:ASA Version 8.3(1)!enable password bLjadbVl0mgRQWih encryptedpasswd 2KFQnbNIdI.2KYOU encryptednames!interface Vlan1nameif insidesecurity-level 100ip address 192.168.1.1 255.255.255.0!interface Vlan2nameif
[Code].....
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Apr 24, 2012
I have been asked to "forward a port on an ASA 5505 to an internal ip address." Sounds easy for most of you, and I thought I did it right, but I am not certain. Basically, they want it set up so that when xx.xx.xx.xx:30000 (x's = the firewall ip with port 30000) is accessed from outside, it is forwarded to an internal ip on port 30000 (xxx.xxx.x.xxx:30000)
Here is what I tried from within ASDM 6.4:
1. NAT Rules-add static NAT route:
original-Interface: inside
-Source: xx.xx.xx.xx (local ip of computer on LAN they wish to access from outside)
Translated - Interface - Use Interface IP Address
Enable PAT: Original and Translated port both set to 30000
2. Access Rule - add
Interface: Inside
Source: any
Destination: xx.xx.xx.xx (IP of Firewall)
Service: tcp/30000
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