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What is FTPS?

  • Free computer tech support, help, forums, tips, tutorials, videos, and downloads.
  • Boot Selection Menu program. And mapping ISO and diskette image files as virtual drives that are available for use by the server. IBM Advanced Settings Utility.

As I mentioned, I used the Bootable Media Creator, a free tool developed by IBM: IBM Bootable Media Creator (BoMC) Run it, and the wizard will guide you to create a bootable ISO containing all the updates. So that is why i need any bootable utility so that i can boot with that utility and update the serial number. I have one ibm serial updater utility but its not work with this server. Also if i use asu after extaracting the asu to the server how can i make as a bootable.tell me the steps.

FTPS is an extension of FTP which uses SSL/TLS encryption and an alternative 'data' port for downloads. But there are several flavors/modes that may be used.
FTPS is implemented on these fix download servers using 'explicit' and 'passive' mode. This means that the initial communication or 'command' channel will be opened on port 21. After the initial 'command' communication on port 21 the server will tell the client on which port to communicate for 'data'. In this implementation the port is random and between 65024-65535. Therefore client firewalls must allow outbound (TCP) traffic on that range of ports to enable FTPS download of fixes from IBM.
FTPS is sometimes confused with SFTP, but SFTP uses ssh rather then FTP.
'explicit' mode refers to the fact that the client uses the regular FTP port 21 for the initial communication. If your client is trying to communicate using 'implicit' mode FTPS, it may be trying to open the initial 'command' port using 990. If you get an error about not being able to communicate using port 990, it means your client is trying to run 'implicit' mode. Please try and change that, or on some clients just change the port to 21.
The initial 'command' connection from your client is initiated outbound on port 21. This is the same direction and port used for regular FTP and therefore should not be causing you a problem if you have used FTP to communicate for fix downloads in the past. The only difference now is that IBM now expects encrypted data to be sent in. If you are not using FTPS, you will receive a message that talks about encryption being required. Some examples of clients showing this failure include:
550 SSL/TLS required on the control channel
If the initial 'command' communication and login succeeds, then the next important factor is that the client and server start talking in passive mode. For most FTPS clients they will automatically negotiate with the download server and default to 'passive' mode. For AIX client using 'ftp -s' the user must manually enter the 'passive' command immediately after logon.
After successful logon, and entering 'passive' mode, if you enter a 'dir' command you should see something like this:
227 Entering Passive Mode (129,35,224,115,254,213).
150 Opening ASCII mode data connection for file list
TLSv1/SSLv3 ( AES256-SHA ), 256 bits
lr--r--r-- 1 tNuMwOLT ftpapp 76 Mar 7 17:54 {Filename deleted for this example}

The above number string is useful information. It can be interpreted as telling the FTPS client to connect to ip: 129.35.224.115 on port (256 * 254 + 213)= 65237...
Your client will then attempt to open an outbound 'data' connection to 129.35.224.115:65237.
In the example output above the data connection is successful and 'dir' command returns the contents of your current directory. But if the connection is blocked by a firewall, you will get one of the errors listed in the above section: What error might I see?
If that is your error, please contact your network administrators and reference this information: What does my firewall team need to know?
The screen output below is listed here as an example of successful communication using the AIX 'ftp -s' command:
--> ftp -s delivery04-mul.dhe.ibm.com
Connected to dispmy-115.mul.ie.ibm.com.
220 ProFTPD 1.3.5b Server (proftpd) [129.35.224.115]
234 AUTH TLS successful
TLS Auth Entered.
TLS handshake succeeded, though Server signed it's own cert!
Certificate:
Data:
Version: 3 (0x2)
Serial Number:
30:ee:0e:4d:47:3f:76:4d:dc:bc:6a:07:4d:8e:a1:72
Issuer: C=US, O=GeoTrust Inc., CN=GeoTrust SSL CA - G3
Validity
Not Before: Jan 5 00:00:00 2017 GMT
Not After : Mar 6 23:59:59 2018 GMT
Subject: C=US, ST=New York, L=Armonk, O=INTERNATIONAL BUSINESS MACHINES CORPORATION, CN=*.dhe.ibm.com
TLSv1/SSLv3 ( AES256-SHA ), 256 bits
Name (delivery04-mul.dhe.ibm.com:dennis): tNuMwOLT
331 Password required for tNuMwOLT
Password:
230 User tNuMwOLT logged in
200 PBSZ 0 successful
200 Protection set to Private
ftp> passive
Passive mode on.
ftp> dir
227 Entering Passive Mode (129,35,224,115,254,213).
150 Opening ASCII mode data connection for file list
TLSv1/SSLv3 ( AES256-SHA ), 256 bits
lr--r--r-- 1 tNuMwOLT ftpapp 76 Mar 7 17:54 {Filename deleted for this example}
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If your VMware hosts are running on IBM hardware, then you may at some point have to collect IBM Dynamic System Analysis (DSA) logs if something goes wrong.

To do this check out the steps below…

Quick Intro – What is IBM DSA?

Ibm Asu Bootable Iso Download Windows 10

Direct from the IBM website, here is a quick explanation about IBM DSA logs:

IBM Dynamic System Analysis (DSA) collects and analyses system information to aid in diagnosing system problems. DSA collects information about the following aspects of a system:

  • System configuration
  • Installed applications and hot fixes
  • Device drivers and system services
  • Network interfaces and settings
  • Performance data and running process details
  • Hardware inventory, including PCI information
  • Vital product data and firmware information
  • SCSI device sense data
  • ServeRAID configuration
  • Application, system, security, ServeRAID, and service processor system event logs
  • Additionally, DSA creates a merged log that allows users to easily identify cause-and-effect relationships from different log sources in the system.

How To – Collect IBM DSA Logs from ESXi Hosts

There are two ways to collect DSA logs. The first one requires that you reboot the host and boot using the IBM DSA Pre-Boot ISO. Alternatively you can use the portable version of the IBM DSA tool.

Using the portable version does not require that your reboot the host. Follow the steps below to collect the IBM DSA logs using the IBM DSA VMware portable tool:

  1. Download the appropriate version of the IBM VMware portable DSA utility. You can download it from here
  2. Using VI Client, locate the host and browse one of its datastores:
    • Right Click datastore
    • Browse Datastore
  3. Upload the downloaded file to the datastore above, using the Datastore Browser
  4. Open a putty session and connect to the host (Note: You might need to enable SSH on the host first before you can do this).
  5. If you are not connected with root, run su root
  6. Via the putty connection, browse to the datastore you copied the IBM utility file to:
  7. Copy the DSA utility file to the local file system of the host:
  8. Navigate to /tmp directory:
  9. Change the attributes of the file to allow the file to be executed:
  10. Run the IBM utility to collect the DSA logs:
  11. Once the DSA logs have completed collecting, copy the output file to the same datastore you copied the IBM utility to:
  12. Remove the IBM utility from the local file system:
  13. Using the VI Client, locate the host and browse the datastore you copied the output to (as per Step 1 above)
  14. Download the DSA log file and send to IBM
  15. Delete the IBM DSA utility and DSA log files from the datastore
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