Cisco asdm mac os

Cisco asdm mac os

This is for educational purpose only.

Download GNS3 if you have not done so, and install it. Now, that you have installed GNS3, you would need two files to make the ASA to work on GNS3. The files are asa842-initrd.gz and asa842-vmlinuz.

Download ASDM version that is compatible with 8.4(2) from cisco.com using your CCO account. You need to download and install TunTap. Here is a brief description what a TunTap is. This is from the TunTap home page.

The TunTap project provides kernel extensions for Mac OS X that allow to create virtual network interfaces. From the operating system kernel’s point of view, these interfaces behave similar to physical network adapters such as an Ethernet network interface. However, the virtual interface does not send the packets into a wire, but makes them available to programs running in the system.

Lastly, you will need a TFTP server. You can use any TFTP. I am going to be using TftpServer.app. I have a blog post how to use this TFTP server https://networkshinobi.wordpress.com/2012/10/19/tftp-for-mac-osx-mountain-lion/

Once you get all the files and software installed mention above, we can get started. To install ASA to GNS3 read my previous blog located at https://networkshinobi.wordpress.com/2013/05/04/mac-osx-10-8-3-installing-asa-on-gns3-0-8-4/

Now, open your Terminal and open GNS3 with superuser privilege.

This is will open GNS3 with superuser privilege. Drag an ASA, generic switch, and a cloud to the canvas as seen in Figure 1.

Open the properties of the cloud by right clicking it then choose Configure. Navigate to NIO TAP tab, and enter /dev/tap1 as seen on Figure 2 then click Add then OK.

Connect your ASA to the Ethernet Switch and the cloud NIO TAP interface to the Ethernet Switch, and power on all the devices as seen on Figure 3. This will also create the tap1 interface on your Mac.

This will create another interface on your Mac. Here is the before and after screenshot of my ifconfig

Here is the ifconfig before I entered the /devt/tap1 on GNS3. As you can see there is no tap1 interface.

After Entering the /dev/tap1 on GNS3, the system created a tap1 interface.

Give the tap1 interface an IP address. Giving the tap1 interface an IP address will allow it to connect to the ASA on GNS3. On the Terminal, type-in:

Verify the tap1’s IP address

On GNS3, console to ASA and give it an IP address that is in the same subnet as the tap1 interface. In addition, ping the tap1 interface from ASA to verify the connection is up.

Once the connection between ASA and tap1 interface is up. Open Terminal then open the TftpServer.app with superuser privilege.

By default the folder location will default to root account; therefore, navigate to location of the ASDM image is as shown in Figure 4. Also, change the interface to tap1 interface.

Here is how to copy the ASDM image to ASA flash

At this point, the web GUI is ready, but we need to enable it on the ASA side. To enable the ASDM GUI enter this command to ASA

If you have Java installed on your Mac, just open your Java Control Panel and navigate to Security tab then click Edit Site List then click Add to add the IP address of the ASA to the Exception Site List; click Advanced tab and tick both Use SSL 2.0 compatible ClientHello format, Use TLS 1.1 and Use TLS 1.2 then click Apply then OK. Open your web browser, and on the URL field type-in https://; as shown in below.

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Click on Run ASDM and the file name asdm.jnlp will download automatically to your Mac. Open that file and you will get some Java prompts. Accept all Java prompts then you will get an prompt for your username and password as shown in Figure 8.

Once you logged in, you should be able to configure the ASA via ASDM as shown in Figure 9

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Release Notes for Cisco ASDM, 7.13(x)

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Release Notes for Cisco ASDM, 7.13(x)

This document contains release information for Cisco ASDM Version 7.13(x) for the Cisco ASA series.

Important Notes

No support in ASA 9.13(1) and later for the ASA 5512-X, ASA 5515-X, ASA 5585-X, and the ASASM—ASA 9.12(x) is the last supported version. For the ASA 5515-X and ASA 5585-X FirePOWER module, the last supported version is 6.4.

Note: ASDM 7.13(1) and ASDM 7.14(1) also did not support these models; you must upgrade to ASDM 7.13(1.101) or 7.14(1.48) to restore ASDM support.

ASAv requires 2GB memory in 9.13(1) and later—Beginning with 9.13(1), the minimum memory requirement for the ASAv is 2GB. If your current ASAv runs with less than 2GB of memory, you cannot upgrade to 9.13(1) from an earlier version. You must adjust the memory size before upgrading. See the ASAv Getting Started Guide for information about the resource allocations (vCPU and memory) supported in version 9.13(1).

Downgrade issue for the Firepower 2100 in Platform mode from 9.13 to 9.12 or earlier—For a Firepower 2100 with a fresh installation of 9.13 that you converted to Platform mode: If you downgrade to 9.12 or earlier, you will not be able to configure new interfaces or edit existing interfaces in FXOS (note that 9.12 and earlier only supports Platform mode). You either need to restore your version to 9.13, or you need to clear your configuration using the FXOS erase configuration command. This problem does not occur if you originally upgraded to 9.13 from an earlier release; only fresh installations are affected, such as a new device or a re-imaged device. (CSCvr19755)

Cluster control link MTU change in 9.13(1)—Starting in 9.13(1), many cluster control packets are larger than they were in previous releases. The recommended MTU for the cluster control link has always been 1600 or greater, and this value is appropriate. However, if you set the MTU to 1600 but then failed to match the MTU on connecting switches (for example, you left the MTU as 1500 on the switch), then you will start seeing the effects of this mismatch with dropped cluster control packets. Be sure to set all devices on the cluster control link to the same MTU, specifically 1600 or higher.

Upgrade ROMMON for ASA 5506-X, 5508-X, and 5516-X to Version 1.1.15—There is a new ROMMON version for these ASA models (May 15, 2019); we highly recommend that you upgrade to the latest version. To upgrade, see the instructions in the ASA configuration guide.

Caution: The ROMMON upgrade for 1.1.15 takes twice as long as previous ROMMON versions, approximately 15 minutes. Do not power cycle the device during the upgrade. If the upgrade is not complete within 30 minutes or it fails, contact Cisco technical support; do not power cycle or reset the device.

Upgrade ROMMON for the ISA 3000 to Version 1.0.5——There is a new ROMMON version for the ISA 3000 (May 15, 2019); we highly recommend that you upgrade to the latest version. To upgrade, see the instructions in the ASA configuration guide.

Caution: The ROMMON upgrade for 1.0.5 takes twice as long as previous ROMMON versions, approximately 15 minutes. Do not power cycle the device during the upgrade. If the upgrade is not complete within 30 minutes or it fails, contact Cisco technical support; do not power cycle or reset the device.

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ASDM Upgrade Wizard—Due to an internal change, the wizard is only supported using ASDM 7.10(1) and later; also, due to an image naming change, you must use ASDM 7.12(1) or later to upgrade to ASA 9.10(1) and later. Because ASDM is backwards compatible with earlier ASA releases, you can upgrade ASDM no matter which ASA version you are running. Note that ASDM 7.13 and 7.14 did not support the ASA 5512-X, 5515-X, 5585-X, or ASASM; you must upgrade to ASDM 7.13(1.101) or 7.14(1.48) to restore ASDM support.

No support in 9.10(1) and later for the ASA FirePOWER module on the ASA 5506-X series and the ASA 5512-X—The ASA 5506-X series and 5512-X no longer support the ASA FirePOWER module in 9.10(1) and later due to memory constraints. You must remain on 9.9(x) or lower to continue using this module. Other module types are still supported. If you upgrade to 9.10(1) or later, the ASA configuration to send traffic to the FirePOWER module will be erased; make sure to back up your configuration before you upgrade. The FirePOWER image and its configuration remains intact on the SSD. If you want to downgrade, you can copy the ASA configuration from the backup to restore functionality.

Beginning with 9.13(1), the ASA establishes an LDAP/SSL connection only if one of the following certification criteria is satisfied:

The LDAP server certificate is trusted (exists in a trustpoint or the ASA trustpool) and is valid.

A CA certificate from servers issuing chain is trusted (exists in a trustpoint or the ASA trustpool) and all subordinate CA certificates in the chain are complete and valid.

Local CA server is removed in 9.13(1)—When the ASA is configured as local CA server, it can issue digital certificates, publish Certificate Revocation Lists (CRLs), and securely revoke issued certificates. This feature has become obsolete and hence the crypto ca server command is removed.

Removal of CRL Distribution Point commands—The static CDP URL configuration commands, namely crypto-ca-trustpoint crl and crl url were removed with other related logic.

The CDP URL configuration option was restored later (refer CSCvu05216).

Removal of bypass certificate validity checks option—The option to bypass revocation checking due to connectivity problems with the CRL or OCSP server was removed.

The following subcommands are removed:

revocation-check crl none

revocation-check ocsp none

revocation-check crl ocsp none

revocation-check ocsp crl none

Thus, after an upgrade, any revocation-check command that is no longer supported will transition to the new behavior by ignoring the trailing none.


Note

These commands were restored later (refer CSCtb41710).

Low-Security Cipher Deprecation— Several encryption ciphers used by the ASA IKE, IPsec, and SSH modules are considered insecure and have been deprecated. They will be removed in a later release.

IKEv1: The following subcommands are deprecated:

crypto ikev1 policy priority:

IKEv2: The following subcommands are deprecated:

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Release Notes for Cisco ASDM, 7.12(x)

Available Languages

Download Options

Release Notes for Cisco ASDM, 7.12(x)

This document contains release information for Cisco ASDM Version 7.12(x) for the Cisco ASA series.

Important Notes

Upgrade ROMMON for ASA 5506-X, 5508-X, and 5516-X to Version 1.1.15—There is a new ROMMON version for these ASA models (May 15, 2019); we highly recommend that you upgrade to the latest version. To upgrade, see the instructions in the ASA configuration guide.


Note

The ROMMON upgrade for 1.1.15 takes twice as long as previous ROMMON versions, approximately 15 minutes. Do not power cycle the device during the upgrade. If the upgrade is not complete within 30 minutes or it fails, contact Cisco technical support; do not power cycle or reset the device.

Upgrade ROMMON for the ISA 3000 to Version 1.0.5——There is a new ROMMON version for the ISA 3000 (May 15, 2019); we highly recommend that you upgrade to the latest version. To upgrade, see the instructions in the ASA configuration guide.

Caution: The ROMMON upgrade for 1.0.5 takes twice as long as previous ROMMON versions, approximately 15 minutes. Do not power cycle the device during the upgrade. If the upgrade is not complete within 30 minutes or it fails, contact Cisco technical support; do not power cycle or reset the device.

ASDM Upgrade Wizard—Due to an internal change, the wizard is only supported using ASDM 7.10(1) and later; also, due to an image naming change, you must use ASDM 7.12(1) or later to upgrade to ASA 9.10(1) and later. Because ASDM is backwards compatible with earlier ASA releases, you can upgrade ASDM no matter which ASA version you are running.

SSH security improvements and new defaults in 9.12(1)—See the following SSH security improvements:

SSH version 1 is no longer supported; only version 2 is supported. The ssh version 1 command will be migrated to ssh version 2 .

Diffie-Hellman Group 14 SHA256 key exchange support. This setting is now the default ( ssh key-exchange group dh-group14-sha256 ). The former default was Group 1 SHA1. Make sure that your SSH client supports Diffie-Hellman Group 14 SHA256. If it does not, you may see an error such as «Couldn’t agree on a key exchange algorithm.» For example, OpenSSH supports Diffie-Hellman Group 14 SHA256.

HMAC-SHA256 integrity cipher support. The default is now the high security set of ciphers (hmac-sha2-256 only as defined by the ssh cipher integrity high command). The former default was the medium set.

No support in 9.10(1) and later for the ASA FirePOWER module on the ASA 5506-X series and the ASA 5512-X—The ASA 5506-X series and 5512-X no longer support the ASA FirePOWER module in 9.10(1) and later due to memory constraints. You must remain on 9.9(x) or lower to continue using this module. Other module types are still supported. If you upgrade to 9.10(1) or later, the ASA configuration to send traffic to the FirePOWER module will be erased; make sure to back up your configuration before you upgrade. The FirePOWER image and its configuration remains intact on the SSD. If you want to downgrade, you can copy the ASA configuration from the backup to restore functionality.

The NULL-SHA TLSv1 cipher is deprecated and removed in 9.12(1)—Because NULL-SHA doesn’t offer encryption and is no longer considered secure against modern threats, it will be removed when listing supported ciphers for TLSv1 in the output of tls-proxy mode commands/options and show ssl ciphers all . The ssl cipher tlsv1 all and ssl cipher tlsv1 custom NULL-SHA commands will also be deprecated and removed.

Local CA server is deprecated in 9.12(1), and will be removed in a later release—When ASA is configured as local CA server, it is enabled to issue digital certificates, publish Certificate Revocation Lists (CRLs), and securely revoke issued certificates. This feature has become obsolete and hence the crypto ca server command is deprecated.

The default trustpool is removed in 9.12(1)—In order to comply with PSB requirement, SEC-AUT-DEFROOT, the «default» trusted CA bundle is removed from the ASA image. As a result, crypto ca trustpool import default and crypto ca trustpool import clean default commands are also removed along with other related logic. However, in existing deployments, certificates that were previously imported using these command will remain in place.

The ssl encryption command is removed in 9.12(1)—In 9.3(2) the deprecation was announced and replaced by ssl cipher . In 9.12(1), ssl encryption is removed and no longer supported.

System Requirements

This section lists the system requirements to run this release.

ASDM Java Requirements

You can install ASDM using Oracle JRE 8.0 ( asdm- version .bin) or OpenJRE 1.8.x ( asdm-openjre- version .bin) .

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