Cisco Firewall :: ASA5505 Cannot Access Inside Network From IPSec VPN
Jan 20, 2013
I'm trying to make a very plain and simple network with the ASA 5505, I've strated from scratch over a dozen times triyng to find where I'm going wrong. My main goal is to simply create an IPSec VPN connection to my ASA 5505 and simply ping and connect to devices with the "inside network", so far I can easily create and establish a IPSec VPN Connection, but up to this point, I cannot successfully ping or access a single device on the ASA 5505 inside network.I've taken, create the IPSec profile with the ASDM wizard, add exemption for the VPN IP Pool, add access-list from this Cisco link, url...All this and I can't make a single connection to the inside network. [code]
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Sep 13, 2012
I am trying to access and ping the inside interface of a ASA5505 from a remote network. From the remote network, I am able to access anything on the local network, but the ASA5505 inside interface.The 2 networks linked by a fiber link which have a transport network on another interface. From the remote network, I am able to ping the transport network interface IP, but I would like to be able to ping the inside interface IP. When I do a packet tracer, I get a deny from an implicit rule.How can I achieve that?
Here are the subnets involved and the ASA5505 config.
Remote network : 10.10.2.0/24
Local network : 10.10.1.0/24
Transport network : 10.10.99.0/24
[code]....
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Oct 25, 2011
Using an ASA5505, have 1 static outside address, want to access an inside SBS-Server on SMTP, RDP (3389), HTTPS and port 987
Have configured network object nat rules using the asdm, SMTP works (I can telnet to the server on port 25 from outside), however for some reason I can not telnet inside and out on port 25, so outgoing mail does not work. RDP does not seem to work from outside, 987 I havent tested from outside. When I try to create a network object nat rule for https I get this message from the ASA:
[OK] object network SBS-HTTPS
object network SBS-HTTPS
[ERROR] nat (inside,outside) static interface service tcp https https
NAT unable to reserve ports.
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Apr 25, 2011
I am using ASA 5505 firewall with base-license. I connected my firewall to one cisco 3750 switch where i created 5 vlans. I done NATing for all vlans and they able to get internet and working fine. They able to browse all internet sites like gmail and yahoo mail.
All internal users are configured to use Outlook for their webmail. Here the problem is with outlook they are unable to send and receive the mails.
If they directly connected their system using public ip( Directly from ISP) they able to send and receive mails from outlook.
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May 6, 2013
I have an issue accessing the inside network of my church from VPN. This only happens when I connect from my home network. I have no problem accessing inside network of my church if I'm connected from else where (my Clear Hotspot or someone else's house). Here is the hardware detail:
At the church, we are using Cisco ASA 5510 and we have so many VPN tunnels to different churches. At home, I 'm using Cisco ASA 5505. See that attached configuration for my home ASA5505.
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Mar 16, 2012
I cannot get this to work properly and I've even had a Cisco engineer from TAC set-this up... and it literally broke my inside network. I have a VPN range of addresses..x.x.x.x on the Outside that needs access to a server on the Inside at y.y.y.y. HTTPS/443 connectivity. I need to NAT my VPN subnet/pool in order to talk to the inside host, as that host will not accept traffic from my VPN subnet, but obviously, will accept traffic from Inside my private network.
The Cisco tech entered the following static NAT statement to "fix" the problem - nat (outside,inside) source static VPN Inside-Network destination static Host-y.y.y.y Host-y.y.y.y For whatever reason, whenever this is configured on my ASA 5550 v8.3(2)25 the Inside interface starts proxy arping and assigns all IP addresses on my private network with the MAC address of the Inside interface.
The y.y.y.y is on a remote, routed network within my private, corporate MPLS network. My Inside private network (Inside-network shown in the static NAT above) is x.x.x.x. Not sure why this happens, but it kills my entire network and I have to jump through hoops to quiesce the network and get everything back to normal.I've tried to Dynamic-PAT/hide the VPN range behind the Inside interface through ASDM and that seems to do nothing.The NAT statement above will break my network. How to NAT this connection without killing my Inside network? Or, on how to properly hide my VPN subnet/pool behind my Inside interface and back to the VPN subnet/pool.
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Sep 28, 2011
We have two sites connect with an IPSec L2L VPN.
-Site A: 192.168.13.0/24
-Site B: 192.168.2.0/24
On both sites we have a ASA5505(Base license) to terminate the tunnel.On Site B we also got a remote access vpn to which we can connect using the vpn client.The lan2lan tunnel works fine and so the remote access vpn.Now i want to connect to Site A using my vpn client connected to Site B. [code] There are no vpn-filters or other special policys in place..If tried to ping from my vpn client to Site A while i was debugging ipsec 255 on site B: the asa matched the l2l-tunnel for traffic sourced from 192.168.25.x to 192.168.13.x but when im doing a show crypto ipsec sa detail there are no packets getting encrypted..so of course no packets reaching my asa on site a.
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Jul 14, 2011
I've recently upgraded my old firewall from a PIX to an ASA5505 and have been trying to match up the configuration settings to no avail. I have is that I can't ping the new firewall on it's inside interface, despite having "icmp permit any inside" in the running config. Secondly, the server I have on there ("Sar") can't connect out to the internet.I've included the ASA's running config incase anybody can see if something stands out. I have a feeling it's either not letting anything onto the inside interface, or there is no nat going on. Lastly (and possibly relevant), the firewall is actually going at the end of a vlan, which is different to the firewall's inside vlan number. I don't know if this is actually the problem because the server can't connect out even if connected directly into the firewall.
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May 8, 2011
Have a problem in config of my ASA5505 --> I can't access Internet from my new created vlan number 4 (Vlan4):
here my config:
ASA Version 8.4(1)
!
hostname FWWIB1
enable password OEIOH8Zv/vNvif8C encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
names
[code]....
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May 8, 2013
I am very new to Cisco ASA and I am trying many days to implement the design below but still cannot get it done. The situation I am facing is
- a host (e.g. 192.168.5.10) under Inside interface can contact to outside without any problem.
- however a host outside (e.g. in VLAN1 or outside this network) cannot contact host under Inside interface. I am using PING test and always get Request Time Out. [code]
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Jan 23, 2013
I have the following config below on my ASA5505, where I want to be able to access remote computers who are VPN'd into the inside network, for support purposes.I want to be able to ping the VPN ip from the LAN, and be able to connect to these computers via the VPN ip. [code]
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May 15, 2012
Let me start by saying that I'm just starting to study for CCNA, so the ASA seems to be a bit above me yet. The ASA's we are using is for VPN to our corporate office and only allowing access to our Citrix environment, so no direct internet allowed. We have a person who works in the remote office who has need for a caption telephone that requires direct access to the internet. The phone only supports DHCP, and getting the ASA to do an ARP reservations is proving difficult. For now I wrote an access list to allow it's DHCP address out but it still isn't working. The access list I wrote is:
access-list 101 extended permit ip host xxx.xxx.xxx.124 any log
access-list 101 extended permit ip any any
access-group 101 out interface outside
When I do a show access-list I'm seeing that traffic is hitting the access list as the hit counter has increased. When I do a show conn I'm seeing one of the IP's that the phone should have access to, however the flags are: saA, so I'm assuming they are not getting a response. According to the manufacturer, only outbound connections are needed, no incoming ports required. All traffic is TCP.
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Feb 18, 2012
The ASA5505 I am working with has this from the show version:
Licensed features for this platform:Maximum Physical Interfaces : 8VLANs : 3, DMZ Restricted Inside Hosts : 10Failover : Disabled VPN -DES : EnabledVPN-3DES-AES : Enabled VPN Peers : 10WebVPN Peers : 2Dual ISPs : Disabled VLAN Trunk Ports : 0
This platform has a Base license.
Does the Insides Hosts :10 line mean that only 10 devices can be connected to the firewall at one time? I would like to connect an AP to one of the PoE ports and have possibly more than 10 connected. Is this possible with this ASA5505?
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Sep 29, 2012
I just try to ping a internal Host but it want to go.
Laptop<===>ASA5505
Connected is the Laptop at Ethernet 0/2 Inside
My running-config is a clear config, only VLAN 1 has a IP and Ethernet 0/2 is up.
But If I try to ping to the Laptop I get the followed:
asa5505# ping 192.168.1.100
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.100, timeout is 2 seconds:
?????
Success rate is 0 percent (0/5)
asa5505#
From the Laptop to the ASA5505 I can Ping successfully.
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Aug 2, 2011
I have Cisco ASA 5505 installed and use as default gateway. I go to Internet through the ASA5505 Here is my Problem.I can not ping from ASA prompt(ASA#) to my Laptop connected to the ASA, but i can ping the ASA inside interface from laptop i can not use ASDM and the VPN Tunnel is not working between the sie
ASA# ping 10.10.10.12
???????????
100% lost
Laptop c
C:/ping 10.10.10.1
!!!!!!!!!!!!!!!!
Here is the Topology
INTERNET .<=========================>ASA<===============================> LAPTOP
I disabled window firewall on the Laptop , but no goof result.
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May 6, 2012
I have ASA5505 configured with internal network as 192.168.15.0 and default gateway 192.168.15.1 From the inside network, i'm able to access internet and able to ping all website (enabled ping). and all internel network devices can ping each other. Except i cannot ping my gateway (ASA5505) 192.168.15.1. I'm continously seeing this message on the log, when i tried to ping.. How to fix this?
Denied ICMP type=8, code=0 from 192.168.15.xxx on interface inside
replace xxx with my network devices that try to ping the gateway..I dont want outsiders ping my gateway, i need ping for inside internal network only.
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Aug 17, 2011
I want to upgrade "inside hosts" from 10 to unlimited on a ASA5505-BUN-K9, Do I have to buy Security Plus license ( L-ASA5505-SEC-PL =) ) before activating ASA5505-SW-10-UL ?
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Dec 20, 2011
I have installed ASA5505 in the network. Port forwarding has been done for one of the server in our LAN. Public users are able to access the server successfully. I am trying to access from inside using the same Public server IP, but unable to access it. Can I have this feature in ASA5505(I think it is loopback configuration). If so, may I know the configuration detail?
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Dec 11, 2012
I am working on pix 525, when connected through console I can access the whole internet but when i connect the pc to the inside interface i have no access to the internet. the pc can ping the pix inside interface and from pix i can ping the pc. My configuration is shown below.
PIX Version 7.2(2)
!
hostname pix
domain-name xyz.edu.pk
enable password xxxxxxxx encrypted
[code]....
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Nov 29, 2011
i have cisco asa 5505 Security adaptive firewall. my inside network is 192.168.1.0 255.255.255.0 . i want to add static route another network i have that network id is 192.168.2.0 . 255.255.255.0.how i can add the route.
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Oct 28, 2011
I have been working on a configuration for single IP address (on outside ) of ASA5505.I am trying to utilize the outside address 192.168.0.249 to PAT/NAPT to 10 inside machines [code]
What I am not sure of (actually that could be considered all encompassing) is the mapped services/real services.Any constructive comments assistance?
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Feb 26, 2013
I'm a CIsco ISR, Setting up my first ASA, which seems to be going well.I've setup an IPSEC VPN to a non Cisco device. And have connectivity between devices in each subnet.
-Subnet A - non Cisco - 10.10.13.0/24
-Subnet B - ASA 5505 - 192.168.2.0/24 (ASA is .254)
From Subnet A I can ping every device except the ASA on .254.
Edited Config attached, IP's changed for privacy, passwords removed.Let me know if I've removed too much of the config.
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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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Jun 20, 2011
I have a XP workstation behind my ASA that can not connect to a client's network via Cisco VPN Client using IPSec...
In the logs it shows the translation is working on 500 but the VPN Client has the error 412, that the client is not responding.
Config below
ASA Version 8.2(1)!hostname RWFW1enable password encryptedpasswd encryptednames!interface Vlan1nameif insidesecurity-level 100ip address 192.168.1.1 255.255.255.0!interface Vlan2nameif outsidesecurity-level 0ip address x.x.x.x
[Code].....
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Feb 24, 2011
I have a normal setup of ASA5505 (without security license) connected behind an internet router. From the ASA5505 console I can ping the Internet. However, users behind the Firewall on the internal LAN, cannot ping the Internet even though NATing is configured. The users can ping the Inside interface of the Firewall so there is no internal reachability problem. In addition, I noticed that the NAT inside access list is not having any hit counts at all when users are trying to reach the internet.
When i replace the ASA5505 with a router with NAT overload configuration on it, the setup works normally and users are able to browse the internet.
The ASA5505 configuration is shown below.
hostname Firewall
interface Ethernet0/0
description Connected To Internet Router
switchport access vlan 10
[Code].....
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Oct 18, 2012
A Cisco ASA running 8.2.5 with 3 interfaces: Outside (Sec lvl 0)/-nternet IP / DMZ (Sec lvl 2)-192.168.8.0/24 / Inside (Sec level 100)-192.168.1.0/24
An ACL on the DMZ which looks like this:
access list DMZ_IN permit ip 192.168.8.0 255.255.255.0 any
access list DMZ_IN deny ip any any
access-group DMZ_IN in interface DMZ
global (outside) 1 interface
nat (DMZ) 1 192.168.8.0 255.255.255.0
Nat Control is not enabled (by default) There is no nat exemption, static identity nat or any nat of any kind set up between the Inside and DMZ.The question is: Will the DMZ network be able to initiate connections to the Inside network or will only outside (internet) access be permitted?
A) No, inside access will not be permitted, only Interenet access will be permitted, because there is no NAT exemption or Static Identity NAT between the lower level security interface (DMZ) and the Higher level security interface (Inside), regardless of the DMZ ACL rule with a destination of ANY.
B) Yes, access to the Internet and the Inside can be initiated because NAT control is disabled and there is an ACL that permits DMZ traffic to 'ANY' destination.
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Feb 26, 2013
I recently upgraded my asa from 8.2 to 9.1 (reconfigured from scratch - didnot convert old config) and everything seems to be working fine except for communication between my INTERNAL network and my DMZ. Here's my config below -
ASA Version 9.1(1)
!
hostname ZEPPELIN
domain-name MIWEBPORTAL.com
enable password XXXXX
[Code]...
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Mar 13, 2012
I have a cisco asa 5520 ios 8.2. This is my configuration [code] But i can not access from DMZ to INSIDE.
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Apr 22, 2013
I have a mail archiver (hardware device) in my network that I need to access to from the Ipad/iphone. There is an app for it but I have to allow the access on the ASA. I created an 'object' for the device and added a Static NAT entry for it, then added an access rule. Its not working so I am guessing I did it wrong. The device uses port 8000 which I also added to the object. correct commands, or using the ASDM works too.
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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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Aug 21, 2011
What I have is 3 interfaces on my PIX.- Outside: 216.116.87.0/24 (security level 0)
- 469: 172.16.6.0 /24 (security level 10)
- 571: 192.168.255.0 /24 (security level 1)
My users on 571 need to access a web server on the 469 interface. However, the requirements are that the 571 users can only access the Website using the public FQDN which there is a static NAT from outside to 469. [code] Here is also the Packet-Tracer and it shows what I expect that the traffic is source from 571 and exits 469. However, the users are not able to access the website.[code]
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Jan 5, 2012
We have an ASA5505 UL bundel, updated with this license "L-ASA5505-SEC-PL=" to enable traffic from DMZ to Inside. No NAT or rules deployed for that yet.
On the Inside we have Exchange 2007 in a single server installation. The public url for smtp, ActiveSync, OWA and Outlook Anywhere is mail.company.se. There is a static NAT for outside traffic to access above mentioned services on inside. Now, on DMZ there is the WLAN for guests to access the Internet. How ever, our Smart Phones with WLAN turned on, cannot sync to the Exchange Server on the Inside! The DMZ gets IP-addressen from ASA on DMZ Interface with external DNS configured. How can I configure the ASA to achieve the function of ActiveSync from DMZ to Inside with the public URL from the phones?
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Sep 23, 2012
I am new in ASA, I have the DMZ (10.1.1.0/24) configured on ASA 5520 and I achieve the reach Internet from DMZ (10.1.1.0/24), but now need reach DMZ from inside (172.16.12.0/24) and inside (172.16.12.0/24) from DMZ (10.1.1.0/24), in other words round trip.
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