Cisco Firewall :: ASDM 5.0.7 Creates Duplicate Network Object Groups
Aug 5, 2011
We are facing the problem in ASDM 5.x creates duplicate network object groups in the configuration when PIX with software 7.0.7 is used.
Audit report its showing below commands :
asdm group SALES_ref dmz2 reference SALES object-group network SALES_ref network-object 172.20.7.8 network-object 172.20.10.3 network-object 172.20.11.2
no access-list dmz2_access_in extended permit tcp object-group Network_10.10.1.0 object-group SALES object-group SALES_Ports access-list dmz2_access_in line 200 extended permit tcp object-group Network_10.10.1.0 object-group SALES_ref object-group SALES_Ports
i was created SALES object group 2 month back after that ASDM Automatically created the duplicate object with SALES_ref name and changed the old ACL.
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Jun 8, 2011
Is it possible somehow to define externally administred DNS namese in ASA 8.4 in within object groups?i know that we can use name XXX, but some idea popped up using this kind of configuration.
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Jul 20, 2011
I have an ASA5510 where I have defined object-groups and then associated them with a specific ACL. Our ISP is pulling their point of presence from where I live and I am force to move to a new ISP. I am in the process of setting up another interface for the ASA5510 to connect to the new ISP.
My questions is can I create a new ACL lets call it new_access_in and use it with the same object groups that I have already defined? I know that I can only have one ACL bound to an interface, and will bind this new ACL to the new interface I am setting up, but I wasn't sure if I could use the same object groups and connect them to a different ACL. I really don't want to have to create new object groups if I don't have to.
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May 9, 2012
I have an ASA 5510 and have just started using object-groups which are super handy in theory, but not working in reality. I have a service object-group with a mix of tcp, icmp, and udp ports. Let's call it Sample_Port_Group. I'm trying to apply it to my dmz_access_in ACL. Here's the line giving me problems:
access-list dmz_access_in extended permit object-group Sample_Port_Group 192.168.1.1 any
The asa throws up an error between 192.168.1.1 and any. When I put up a ? after Sample_Port_Group, it gives me the option of putting in an IP address, any, etc. When I put in a ? after 192.168.1.1, it only gives me the option of putting in an IP address.URL
Those posts gave me the impression my line was possible, especially the "access-list outsideacl extended permit object-group myaclog interface inside any" line, which is at the end of the 2nd article linked.
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Sep 19, 2011
After reading the post titled "ASA 5520 nat access-list query for internet access" I realized the object-group command could and should be used to make a more efficient and cleaner configuration. My current environment is very small and straight forward consisting of one FTP server in the DMZ. Though the guide: [URL] is straight forward, my inexperience hinders me from seeing how to use the commands effectively. A summary of the configuration is at the bottom of this post
Question: How can I clean up my current configuration? I have two references to the same server, dmz-rdp and dmz-ftp, created for port forwarding ports 3389 and ftp through the outside interface. I can combine them into one object statement, right? for each port I want to forward through the outside interface?
object network dmz-rdp
host 10.10.10.4
nat (DMZ,outside) static interface service tcp 3389 3389
[Code]....
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Apr 7, 2013
Does the ASA treat an object-group with a network-object containing a range of IP addresses as a netmask? For example, I can apply this configuration without the ASA throwing any errors though the configuration calls for a 'net mask':
object-group network test
network-object 192.168.0.0 192.168.63.255
?
network-object-group mode commands/options:
A.B.C.D Enter an IPv4 network mask
sh run ob id test
object-group network test
network-object 192.168.0.0 192.168.63.255
I found that in the documentation it requires a netmask as oppose to a range. Is this a bug in the code? I am running code version 8.0(5)23 on a 5520. If this is not a bug how does the ASA treat this type of configuration when applied to an access list? When I ran a quick packet trace and denied access from that range it looks like the ASA doesn't read that configuration properly.
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Dec 17, 2007
When ever I create a network object in ASDM 6.0(3) the UI also wants to send the command 'asdm location (network object IP address)' to the device.What is the purpose of 'asdm locaction ....'? Is it telling the ASA-5540 that the IP address is allowed to connect to the device using ASDM?If that is the case why does 'asdm location xxx.xxx.xxx.xxx'get denerated for every network object I create?
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Mar 5, 2012
Any way of doing named objects or object groups for ACLs on the ASRs? (1000 series in this case.) I'm setting up an ASR with a zone-based firewall and writing out all the addresses, ports and protocols for the ACLs associated with the various zones is creating huge, unwieldy ACLs in the config.
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May 29, 2013
I have started to use ip extended access-lists on several 3750X-switches to filter inbound and outbond traffic on the VLANs. But it seems that the use of object-groups is not supported, is this correct? Is it really no way to group different ip-addresses into groups and then use these groups in the access-lists?
I am running sw version 15.0(1)SE2.
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Aug 19, 2012
There is something wrong with the ordering of our NAT-rules.We are running ASA Version 8.4(2)8 and the nat config is pasted below.
I want outgoing smtp-traffic to be translated to xxx.yyy.zzz.18, but instead it's translated to xxx.yyy.zzz.20 (the outside-interface address).The same goes for ftp-traffic, according to packettracer this is also translated to the xxx.yyy.zzz.20.
Ciscos manual states that static nat rules takes precedence over dynamic nat but that doesn't seem to work for us. [code]
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Jan 30, 2012
I have recently upgraded my ASA 5510 to 8.3 code and honestly I am confused on the best and most efficient way to do many nat translations through it. I have a group of about 100 IP's that need http/https/and sqlnet allowed through for our web farm.
I have a text file with the real and translated IP addresses and in 8.2 I could simply modify it and dump the thing in and make the NAT rules and access-lists. Now with the new object based model I am having a hard time wrapping my brain around how to do this using as few lines of code as possible.
Do I have to create an network object for each and every IP i want to nat through?
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Apr 28, 2012
I just tried to do a quick privilege level setup for a user to limit access to asa. User should be able to add nat's to configuration.ASA 8.4 is in question and trying the following does not seem to work:
privilege configure level 3 command object,gives me ,ERROR: specified command 'object' not found in any mode.It looks like localy this cannot be done or I am doing something wrong?
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Oct 29, 2012
We have Cisco ASA 5510, I am about to add another 2 Objectgroup network groups on the firewall to our already growing list. Under this Object-group Network xxxx , we are planning to add about about 500 network-object host xxx.xxx.xxx.xxx . This objectgroup will then be applied to an ACL. Just wanted to know if thats possible - meaning addnig 500 hosts? If it is whats the limit?
Also are there any other things to keep in mind before i go-ahead with this huge object group?
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Oct 25, 2011
I'm migrating our network objects from our current firewall to a new ASA 5520 configuration. I'm using ASDM 6.4 for configuration.
We have a range of IP addresses for hosts that we need to add to a firewall rule/ACL. In the previous FW software I could create an object that was a range of IP address. For example there is an object called emailservers that is defined as 192.168.2.25-192.168.2.50.
Is there a way to do a similar thing on the ASA 5520?
I can see how to create subnets, but in this case I only have a range of IP addresses, no subnet mask.
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May 2, 2011
I have a 5540, and i am trying to allow access to internet for an specific network object group, who has inside a bunch of users, who needs direct internet access without any restrictions, i have tried with dynamic NAT, but that configuration ask for a specific IP o a Network range, and is not permitted to configure an object group as a source
The group is located in LAN zone, so a permission from one zone to another zone is needed i think, but i can allow the internet acess to that group Is there another way to get that , different from NAT ?
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Jun 19, 2011
this is ASA5520 associate with 8.4(1). very simple scenario , three ports: inside . outside . DMZ my problem is how to use network object NAT to perform Regular Dynamic PAT and Identity NAT.
for example, this is my configuration
**** first i configured Regular Dynamic PAT****
object network myinside
subnet 10.200.11.0 255.255.255.0
nat (inside,outside) dynamic interface
**** then , i met problem when i want to make identity NAT between inside and DMZ****
**** if i add below CLI , the first nat line will be replaced ****
**** SO IF I ADD THIS****
[code]......
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Apr 26, 2011
nat global entry not showing up in ASDM but it does via CLI see blow, it's a policy NAT.
nat (inside) 5 access-list inside_nat_outbound_4
global (outside) 5 ************-OUTSIDE netmask 255.0.0.0
Global 5 doesnt show in ASDM 6.1 (5) the globals only go up to 3
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Feb 20, 2013
I have a asa 5510 vpn client groups configured and connected to the internal network DHCP server stops giving network service dhcp and the network goes down.
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Dec 12, 2011
I created some User Defined Groups in LMS 4.1, now I want to apply certain fault notification groups to Event Sets.
Unfortunately the Groups I configured are not in the Group Selector of the Fault Notification Group: Admin > Network > Notification and Action Settings > Fault Notification Group
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Dec 18, 2011
We have an ASA5505 that we need to enable hairpinning on.... In the old firmware versions, we used to be able to configure a public to private static mapping along with hairpinning by using
static (inside,outside) outside_ip inside_ip netmask 255.255.255.255
static (inside,inside) outside_ip inside_ip netmask 255.255.255.255
In 8.4, if I use object nat, the hairpin functionality works perfectly,
object network obj-insideip
nat (inside,inside) static publicip
however, since object nat only allows a single nat statement, I was attempting to use a twice nat to enable the hairpin functionality, but have been unsuccessful in coming up with the right combination of parameters for the functionality.
nat (inside,inside) source static private_object public_object destination static public_object private_object
allows hairpinning to successully work from the same machine. Meaning on any given host, I can ping itself using the private or public ip, but I can't get the right combination for hairpinning from any private host to another private host via the public ip. Other combinations have yielded icmp responses, however, they specify the private IP as the source of the reply instead of the public ip.
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Jul 17, 2012
I am having peculiar issue in my setup. I recently replaced my ASA 5505 (8.2.1) with ASA 5510 (8.4.3). Everything works fine for a while suddenly I see some of the servers will not be reachable from the LAN all the servers gateway is my switch. If I check on my Dell switch the particular server's arp entry on the connected port is same as ASA physicall MAC. If im reverting to 5505 ASA everything goes smooth without any issue.
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Oct 17, 2012
I got some issues with my CISCO ASA, the thing is that when I add a new rule on the device this rule duplicate and goes to the bottom. We already tried to delete the duplicate rule but it always show an error.
-Model 5585
-ASA Version: 8.2(5)
-ASDM version: 6.4(5)
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Sep 26, 2011
i have an ASA 5520 8.4(1) with following config
interface GigabitEthernet0/0
nameif WAN
security-level 0
ip address 216.52.185.33 255.255.255.240 standby 216.52.185.34
!
i need traffic (port 9350) from DMZ and WAN forwarded to object Production_23 port 3389, how do i achieve this ?
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Nov 4, 2012
We are in the process of migrating to the ASA service modules on both our 6509E switches from our current FWSM. We have used the Cisco conversion tool and applied that to the service module. When viewing the context in ASDM we are unable to view the object names in the right hand pane.
On the FWSM I would see the following under Network Objects:
Network Objects
- JQ-Test
- JQ-Test2
- JQ-Test3
Network Object Group
+ JQ Group
- JQ-Test
- JQ-Test2
- JQ-Test3
Now I have run the conversion tool and applied that to the ASA's I now get the following results.
Network Objects
- 10.1.1.1
- 10.2.2.2
- 10.3.3.3
Network Object Group
+ JQ Group
- 10.1.1.1
- 10.2.2.2
- 10.3.3.3
I am aware that the naming convention on the ASA's are different to the FWSM as you can no longer use the "name 1.1.1.1 JQ-Test1" format but I was hoping that the conversion tool would do this for me.
Is there any way I can get the names of the object back without having to script something that takes the old FWSM format and convert it into an ASA format?
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Apr 5, 2012
We've had issues with our Exchange 2010 server (running on ESXi 4.1) since its default gateway was changed to our new ASA 5510. They manifested as frequent Outlook client connection dropouts or as IP address conflicts whenever Exchange was rebooted. The temporary fix was to disable the Exchange server NIC, bounce the ASA and enable the server's NIC again. We saw poor performance from Exchange after a while again, but after some research and testing I realised that disabling proxyarp on the inside interface fixed the problem permanently.
However I've now realised that the client VPN no longer routes properly because proxyarp is disabled on the inside interface, so I still have a problem.
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May 10, 2011
I am troubleshooting a s2s vpn between an ISR871 and my ASA5520 and I suspect a problem with my crypto-maps.
Is there a way I can display an access-list on the ASA and have the object names substituted with their IP addresses?
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Mar 28, 2011
Does the dlink create its own hotspot internet where I can just buy a wifi card and have it free instead of getting cablefibre dsl?
[URL]
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Feb 10, 2011
Using windows xp. how do i find and delete network name?
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Feb 23, 2012
In my Wireless network, I have two appliances WLC 5508 running version 7.0.116.0.I have a WCS running version 7.0.172.0, deployed on a windows 2003 server.I've imported the two WLCs in my WCS in order to centralize the monitoring and the configuration tasks.Now I'm facing an issue when I want to create a guest user from the WCS, rather than creating this user access on each WLC. The creation of the user account is working good, the replication is done on the both WLCs, but on one of my WLC the guest user account is deleted after one hour(around).On the second WLC, the same user account remains during all its life time.In attachment a screen shot of the advanced parameter of the guest user.You can see that the user was created on the both WLC but is only active on one ... and unfortunately the wrong because the AP is associated with the other WLC.
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Nov 1, 2011
Everytime I disable SSID Broadcasting 2 extra wireless connections appear available connections list. (See wirelessconnections.jpg) One is blank and one is labeled Other Network. They disappear when I enable SSID Broadcasting. I am not sure why this is happening.
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Aug 12, 2012
how to change the order of the groups that are displayed at the SSL VPN sign in page? I am using an ASA-5520. Right now the anyconnect client group displays above the clientless SSL intranet group and I want it reversed.
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Jul 24, 2011
The company I work for has a small network and it has a windows 2000 server. When the Canon iRC 2880 printer is connected the server gives a error saying that a duplicate name exits in the network. I tried changing the IP address as well. When I changed the IP address of the printer the duplicate IP address moved the new IP address.
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Mar 8, 2012
In the process of setting-up a E2500 Linksys router, I set-up my secured network which is working fine but also (I do not know how I did this??) set-up the same named network but it is unsecured. How do I delete this unsecured network.Do I need to set-up the router again?
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