Upgrading Cisco ASA from OSX Yosemite (Access Violation)

Here is a short post. I was upgrading my ASA 5505’s firmware, and encountered an error stating (Access violation)

BFWASA# copy tftp:// disk0:
Address or name of remote host []?
Source filename [asa846-k8.bin]?
Destination filename [asa846-k8.bin]?
Accessing tftp://
%Error reading tftp:// (Access violation)

The fix for this is:

  1. Navigate to firmware location on your OSX
  2. Click on the firmware in question and press command i
  3. This should open the Get Info window. Now, scroll down at the very bottom, and change the everyone access from No access to Read only

That should fix the (Access violation) when transferring a file via TFTP server.

About networkshinobi

My name is Karlo, I work as a Network Engineer. A little about myself. I started as a PC gamer back when I was in high school. PC gaming became my addiction and pushed me to learn more about computers. Slowly got my some certifications and landed an IT Tier 1 Helpdesk job. This job opened the door for me to work to push further on my certifications and going deeper into the IT world. My goal was to get my Cisco CCIE Routing and Switching, but my journey for CCIE has changed due to I always ended up working on non-Cisco network appliances. Therefore, I have to pivot and decided to jump to the dark side and go with Juniper. Hopefully, I would get my JNCIE in the near future. All the entries/post I made are based on my views, opinion and for educational purposes only. If you see some mistakes, feel free to drop some comments. I would appreciate all the helpful comments. Thanks
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4 Responses to Upgrading Cisco ASA from OSX Yosemite (Access Violation)

  1. Eric says:

    Huge help. For some reason my other IOS files had the right permissions but the one I was trying to transfer did not. Kudos to you sir!

  2. matt says:

    I have the same issue buy from server 2008 r2 (tftpd64)

    Not sure what to do….. I have given the folder location full access to “everyone” and permitted access to tftp-server inside x.x.x.x

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