Cisco Firewall :: 5505 - Order Of NAT Not Matching Correct Line ASA 8.4
Aug 23, 2012
We are configuring a twice-nat to send traffic for scansafe, its on a asa5505 ve 8.4(3) on a remote location for the customes. The nat redirecion is working but we also have a VPN tunnel to the corporate network. Through the tunnel we need to reach a http server. The problem we are having is that when we add the scan-safe nat, all http traffic gets redirected to scansafe, includind the traffic to the http server on the corporate network.
10.2.1.0 ---<ASA5505> ---Internet,scansafe ---- <Corporate> --- 10.1.1.0
the http server is 10.1.1.75
the remote location network is 10.2.1.0/24
[Code].....
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Sep 20, 2011
I have a command line from ASA 5505 like below :
nat (inside) 0 access-list NO_NAT
The problem is I cannot see any matching ID of 0 at the (outside) like :
nat (outside) 0 xxxxxxxxxxxxx
Another problem is there is also no any access list with the name of NO_NAT.
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Nov 28, 2011
direct me to a document detailing the order that line cards are supposed to boot in a 6500? I'm noticing random boot sequences in some of my chassis,?Note: We currently run Sup720 3CXL for the most part.
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Oct 3, 2012
I have a Cisco ASA running 8.2 in routed mode.The ASA has three interfaces, inside, outside and DMZ. They connect to the following three networks:
Inside: 10.1.1.0/24
Outside: 10.1.2.0/24
DMZ: 100.1.1.0/24
I have the following dynamic PAT configuration:
nat (inside) 1 10.1.1.0 255.255.255.0
global (outside) 100.1.1.1
nat control is turned off.
By my understanding any traffic from the inside to outside interface will be PATted to 100.1.1.1. However, communications between inside and the DMZ will not be PATted, and should work with no problems.This seems to be corroborated by this document: [URL]Which states:"The adaptive security appliance translates an address when a NAT rule matches the traffic. If no NAT rule matches, processing for the packet continues."EDIT: I may have misunderstood the above statement.I found this guide to configuring NAT/PAT: [URL]It states:"When you specify a group of IP address(es) in a nat command, then you must perform NAT on that group of addresses when they access any lower or same security level interface; you must apply a global command with the same NAT ID on each interface, or use a static command. NAT is not required for that group when it accesses a higher security interface because to perform NAT from outside to inside you must create a separate nat command using the outside keyword. If you do apply outside NAT, then the NAT requirements preceding come into effect for that group of addresses when they access all higher security interfaces. Traffic identified by a static command is not affected."My problem is that packet tracer does not seem to bear me out. It tells me the packet is dropped due to "no matching global" when I source traffic from the inside interface and send it to the DMZ.
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Sep 26, 2011
I have a question about the new nat implementation in an ASA 8.4. when I perform a "show nat" I get the following result:
1 (outside) to (inside) source dynamic any NAT-SSL-VPN_172.30.100.250 destination static 00B_172.30.100.0_24 00B_172.30.100.0_24
translate_hits = 26, untranslate_hits = 0
2 (inside) to (outside) source static LAN-HOST_172.30.100.11_LNX01 WAN-HOST_84.199.44.2_32_LNX01 service TCP-80-HTTP TCP-80-HTTP
translate_hits = 0, untranslate_hits = 0
Is it possible to change the order of the nat rules without removing and reapplying the rule on position 1 ? (both rules have to stay in section 1)
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Jan 28, 2013
i've a cisco asa5505 on adam 6.4 and a dvr i would like to forward the ports 9000 and 85 in order to monitor the dvr from outside?
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Dec 12, 2012
I have tried Cisco presales but got bounced - go Cisco !So, i have a small customer who requires a single device which will provide .....
1/ Leased Line connection @ 10mb
2/ ADSL failover onbox (so configurable from CLI, unlike the 860’s which I see only have one ‘active’ wan port)
3/ IOS based
4/ integrated 4 ports (min) switch
5/ site to site VPN
6/ up to 10 x SSLVPN remote users
I did pitch in with ASA5505 with external ADSL router but he is “space-constrained”.It worries me when Cisco doc's say only one WAN port is 'active' - since it doesn't say the second port automatically comes up if the first goes down so I can't take a gamble on that being the case.
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Oct 10, 2012
Cisco 2500 series access servers show line usage with the "show line" command:
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Dec 7, 2012
I believe that the Cisco Unified Communications Manager Express matches the outbound VoIP dial peer digit-by-digit, because:
1. when using the debug command it shows how it works digit-by-digit till it match a pattern
2. It says in the study guide ( If a match is found, the router immediately processes the call - chapter 6) so I understand its not en bloc
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Aug 15, 2011
my config and all the show's ive run sofar tryign to figure this out, but the policy map isnt matching the traffic for some reason
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Sep 23, 2012
we have noted the automatically removing of the only "nat (inside,any)" line, during the upgrade of ASA 5540 from 8.4(3) to 8.4(4) 1: why ?
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Jun 24, 2011
Got to set up a site to site VPN to one in a clients office and we're struggling to get Phase 2 working, just seems to loop around saying "Received encrypted packet with no matching SA, dropping" which to me means the ACLs arent mirrored correctly?
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Mar 29, 2012
i have firwall ASA5400, and the outside interface connected to internet router but i noticed that the interface speed in the outside interface is 1000M, but on the internet router is 115 M. so the interface in the router is highly utilized and also the firwall cpu highly utilized. [code]
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Jun 23, 2011
I am trying to set up remote access vpn on an asa 5520 running 8.4.1. I have the ipsec group, policies, and ip pool set up. When I try and connect with the cisco vpn client I see the following in the logs. Deny icmp src outside:214.67.39.42 dst outside:24.252.51.73 (type 3, code 3) by access-group "acl_inbound". Do I need to put in some firewall rules to allow this traffice so that the VPN can connect?
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May 15, 2012
I am trying to remove a static route I added: [code]
I was practicing setting up static routing on three routers r2 (2600xm) connected to r1(2600xm) via T1 module cards on the serial ports. connected to r1 is an old 2500 router called PC.
I removed the static routes off r2 and PC but when I get to r2 which I am connecting to via console cable from another 2500 that I use for an access server I get the above error. all the IPs are just generic subnets I created to play around with static routing. I
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Mar 26, 2013
As part of our PCI compliance, we were required to add a line to all of our ACLs in our ASA 5520 running version 8.2(3). Though there is an implicit deny all, we had to add a line to deny from any source to any destination.We had no problems in adding the additional deny all statements except for our NAT access-list. This NAT access list is used for our internet connection.Currently, the NAT ACL has 4 entries to permit from a specified source to destination any. This ACL is then called on our NAT statement.nat (inside) 1 access-list NAT,Also, note that NAT control is in place and we also have NAT zero statements for our VPN connections.So to fulfill our requirements, we just had to add another line to our ACL entries. But we encountered an issue with our NAT acl.
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Jun 11, 2012
we just bought a 2921 with the following modules: 4 port clear channel T1/E1 HWICSM-ES3G-24-P: EtherSwitch.I read some CISCO documents, and not be able to find what I need. I would prefer all instructions from you are for CLI interface.This is my first time to deal directly with T1, WIC and 2921 etc. The following is what I get from ATT, IP masked IP Address Block IP Address: 20.20.20.136/29 WAN Link Details: WAN Link IP Address:13.13.13.92 AR Serial INT IP Address:13.13.13.93 CR Serial INT IP Address:13.13.13.94 WAN Link Subnet Mask:255.255.255.252
A: how do I configure T1, what does "AR, CR" stands for, and do I need to use both IP addresses? What is the WAN Link IP for?
B: We have two T1 lines, so I should plug them both to the WIC, say port 0 and port 1, how to configure them?
C: how do I access the firewall from the command line?
D: I followed T1/E1 HWIC installation guide, and as soon as I add channel-group to the controller t1, the serial interface went down?
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Jul 15, 2011
I am going to design one network. I had queries with this design.Let me explain scenario first( it was attached below).I have two sites, Site-A and Site-B, repectively.
In site-A i have one Cisco 1841 router, one Cisco ASA 5510 firewall and One cisco 3560 layer 3 switch.
in site-B i have one Cisco 1841 router, one Cisco ASA 5505 firewall and One Cisco 3560 layer 3 switch.
From ISP side
I have point-to-point leased line between sites A and B. And both sites have internet connectivity from another ISP.
I planned to terminate leased line in cisco 1841 router in both branches for branch to branch connectivity.
I will configure site to site VPN between two sites, A and B.
Here my query was i want make VPN as failover connectivity if leased line fails. In both the cases, i need internet to the inside users in both sides.
Summary requirement:Leased line is Primary and VPN is Back-up, if leased line fails. In both cases internet is needed to inside users.
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Jul 14, 2011
ASA is the server, 2651 is the client. Phase 1 is negotiating, after entering XAUTH on the 2651, the ASA is showing:
Rejecting IPSec tunnel: no matching crypto map entry for remote proxy 10.250.2.0/255.255.255.0/0/0 local proxy 10.10.3.0/255.255.255.0/0/0 on interface Outside
Not sure what this means in this instance, the maps are setup the same as the article below. I guess I more expected that sort of error if this was a static tunnel and there was an ACL issue. I don't have a lot of knowledge on the Easy VPN with the ASA. [code]
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Jan 12, 2012
I'm performing tests with following desired scenario: We have several remote offices, connected to our HQ via MPLS. In these remote offices, we have several vlan's. Each vlan has it's own ip-range. The MPLS cloud is routed, so we cannot switch our HQ vlan's to the remote offices. In this case, the client pc is in a guest vlan which allows him internet access. The uplink for this internet access is hosted in our HQ datacenter.
basic scheme:
client pc --> MPLS cloud (managed by ISP) --> 6500 switch LAN --> Checkpoint Firewall --> 6500 switch DMZ --> ASA Firewall
My test scheme:
Client pc is in a subnet A (guest vlan range office).
We receive this traffic on our first LAN 6500.
[Code].....
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Sep 18, 2012
My company is composed of three different campuses, all with a similar network topology. We currently are experiencing high bandwidth on our serial interface at one of the campuses in particular. The network is composed of about 20 VLANS routed internally using a Cisco 6509. Traffic to the outside is PAT’d by an ASA 5510 and then forwarded through our edge router interface. Each VLAN is PAT’d to a specific public address.Due to the PAT, how would you recommend determining what specific private addresses are consuming our resources on the serial interface. When I look at our NMS, it reports the public address, but that only narrows it down to a VLAN. For example, all the devices in VLAN 6 are translated to 146.34.118.245, and 146.34.11.245 is a top talker.
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May 15, 2012
RV220W - I'm trying to create a one-to-one NAT connection to a PC on my network. I have 5 static IP's assigned by my ISP. I've gone through the step of 'registering' each IP in turn on the WAN port, and pinging that IP from an external device until it starts to respond, then I set the WAN IP back to the one I want to use to manage the device.
I think what I want to do is simple. I simply want to NAT ALL traffic hitting my 2nd IP address, let's call it 24.15.120.73 (not the real value) to 192.168.1.10 internally. I want ALL ports both UDP and TCP to be forwarded. This Server is then going to be one end of a VPN tunnel going to another site, but I don't want to complicate things with that for now. So I can't even seem to get one-to-one NAT working! I created the one-to-one NAT on the Advanced tab of the firewall and created rules for all ports for UDP and TCP, but I can still never 'see' the internal server from the Internet. Also, the server will not get out to the Internet (can't hit Google, etc).
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Jul 2, 2012
My router password is "55xxxxx"
But when I want to change the router password in CCC, it warns me "Current password is not match"
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Dec 10, 2011
I am trying to remove a line in a particular access-list configured in a FWSM module using this command "no access-list <acl> line 19 x x x x" but it doesn't work. See below:
FWSM/xxx03(config)# no access-list ?
configure mode commands/options:
alert-interval Specify the alert interval for generating syslog message
106001 which alerts that the system has reached a deny
[code]...
How can I remove a line from the access-list without clearing the entire access-list?
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Sep 6, 2012
Im having a (from google-fu) seemingly unique issue with load balancing. So for background, I am running the ACE 4710 device in "on a stick" mode, so I am using NAT and all that good stuff. I am also utilizing class maps and host header matching so I can save on IP space. [code]
Basically, as soon as I add that ACL_CLASS_beta.mainsite.com class map, all I get back from the ACE is RST packets and it comes back with an L7 LB Policy Miss.
It SEEMS like it should work, but it doesnt seem to like matching on those source addresses at all.
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Jun 11, 2012
We have configured ASA 5510. We have configure Ethernet 0/0 ( Outside ) connected with ADSL line and Ethernet 0/1 ( Inside ) Local LAN. we have configured NAT and all the traffic is passing through outside interface. Now we have connected ethernet 0/3 ( leasedline ) interface with static public IP. Now we want to allow SMTP traffic to pass through from this interface.
How to configure it if we want our local lan SMTP traffic sending through new leased line ( Static Public IP ).
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Mar 27, 2012
The reason is i want to know the difference between the leased line and the DSL line. The whole thing behind the confusion is, We plan to have a high speed internet connection in our office. We will don't have a branch office or some thing like that. I preffered to have high speed internet in our office. I found in some website that Lease line will have high speed connectivity(Upto 10Gbps). Can i use the lease line or DSL is enough for our office. Our office contains of 82 user who will use internet.
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Aug 17, 2011
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Nov 12, 2012
I am implementing traffic export on the WAN interface of my 3725 router. I use a dialer interface for PPPoE which is applied to the Fa0/0 interface. This dialer WAN interface has Zone Based Firewall, NAT Outside, ACLs applied to it, as well as IP Traffic Export for an IPS. In what order would each of these items process a packet? In other words, is the order something like ZBF, ACL, IP Traffic Export, then NAT? How would QoS fit into something like this as well? I am asking because I am wondering how much processing the packets receive before they are mirrored over to my IPS.
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Oct 8, 2006
Is there a way to customize the order of the Groups in the drop down page on the login page?
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If it is not configurable, is it alphabetical on group name or the order they are configured ?
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Apr 2, 2012
I recently upgraded my 2811 router with an AC- IP power supply, and installed a HWIC-4ESW-POE, with an Inline Power Daughter Card (ILPM-4) installed on the HWIC.
The second I turned the router's power on, there was a spark and a burning smell. Everything still works, except POE. Examining the card, I see it caused a circuit on the ILPM-4 motherboard to blow, and there is black residue everywhere. This is a Genuine Cisco power supply, but why it's done this.
Furthermore, when the power supply was first installed, it had so much electricity (and I know this is why the card got toasted) that touching the end of the console cable or an Ethernet cable connected to the router, or even the router chassis, would cause you to get a small electric shock, like touching a mild electric fence. Clearly, the power supply I installed is "too-powerful", but it is a 2811-AC-IP and nothing should have caused this.
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Mar 20, 2013
how can I change a computer from one network to other in order to use FTP server
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