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  #1  
Old 02-08-2017, 09:00 AM
jmfleming jmfleming is offline
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TFTP Not working since Sierra Upgrade

So I am pulling my hair out on this. Since I upgraded to Sierra TFTP no longer works from SecureCRT.

I am able to start the server and see the connections hit the machine with wireshark but I am unable to successfully receive the file.

The TFTP log looks like this:

Wed Feb 8 07:53:24 2017,31735,[::ffff:10.110.254.37]:53841,A request with an opcode of 2 was received by server.
Wed Feb 8 07:53:24 2017,31735,[::ffff:10.110.254.37]:53841,The TFTP transfer of hz-mfg-servers-confg was started successfully.
Wed Feb 8 07:53:24 2017,31735,[::ffff:10.110.254.37]:53841,Error writing data to transfer socket: Invalid argument
Wed Feb 8 07:53:24 2017,31735,[::ffff:10.110.254.37]:53841,Transfer of hz-mfg-servers-confg from [::ffff:10.110.254.37]:53841 failed, partially received file has been deleted.

Has anyone else experienced this same issue? Apple has been no help with this and I really need to get TFTP working again.

Thanks in advance for any help.
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  #2  
Old 02-08-2017, 09:37 AM
bgagnon bgagnon is offline
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Hi jmfleming,

What version of SecureCRT is installed?

What was the OS before the upgrade to Sierra?

This is an issue that our developers are presently investigating (support for IPv6 addresses in TFTP connections). Apparently it occurs when the machine is configured to use IPv6 addresses *only*. A possible workaround is to enable both IPv4 and IPv6, in which case SecureCRT should bind to the IPv4 address.

Should progress be made toward a resolution, or further information be requested, I will post in this thread.

If you prefer direct e-mail notification, contact support@vandyke.com and include "Bug Report - Forum Thread #12605" in the subject line.
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  #3  
Old 02-08-2017, 10:26 AM
jmfleming jmfleming is offline
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I am currently running SecureCRT 8.0.4 and I upgraded from El Capitan (OS X 10.11) to Sierra (OS X 10.12).

I am confused by your reply, I am not currently using IPv6. Are you saying that Apple implemented something with the new OS that ties to IPv6 or something?

When I have the SecureCRT TFTP Server running and I pull a netstat I get this:

kpjflemingmac15:/ jmfleming$ netstat -na |grep \*.69
udp46 0 0 *.69 *.*

Which is what I would expect I would want to see. I was really thinking this was a MAC issue but know you have me thinking it is a SecureCRT one.
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  #4  
Old 02-08-2017, 11:03 AM
bgagnon bgagnon is offline
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Hi jmfleming,

Quote:
udp46 0 0 *.69 *.*
The udp46 reference does indicate both IPv4 and IPv6 are enabled. If only IPv4 is enabled, it would show upd4 only.
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  #5  
Old 03-01-2017, 07:15 PM
biggy52 biggy52 is offline
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Hello,

Has there been any update on this, I still cannot use the TFTP server, with the same error as above on the latest version of 8.1.1 for Mac.
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  #6  
Old 03-02-2017, 07:22 AM
bgagnon bgagnon is offline
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Hi biggy52,

The developers are working on a solution. We will post in this thread when we have further news. Or, since a pre-release build will likely be involved, you can send us an email with the details regarding your download account so we can make a build accessible to you when it is available.

Email would go to support@vandyke.com. If not writing us from an email address associated with your VanDyke Software download account, then please include the email address associated with the download account in the body of your email. If you don't have a download account, you can register for one here.

The registration form helps ensure that we are compliant with U.S. Homeland Security export restrictions for strong encryption software. This is a one-time only requirement.

In the case of creating a new account, since we won't have a download account history to pattern-match against, please let us know what installer you need:
  • Platform (RHEL, Ubuntu, Mac or Windows)?
  • 32-bit or 64-bit if Windows?
  • Combined (SecureCRT+SecureFX) or just SecureCRT?
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  #7  
Old 03-13-2017, 12:01 PM
alimack alimack is offline
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May I ask how you guys are even getting the service to start? I still get the "could not bind to port 69" error.
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  #8  
Old 03-13-2017, 12:16 PM
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jdev jdev is offline
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Alimack,

On what platform (operating system and version) do you have SecureCRT installed?

And, which exact version of SecureCRT are you running?
("About SecureCRT..." from SecureCRT's main Help pulldown menu)

--Jake
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  #9  
Old 03-17-2017, 11:07 AM
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jdev jdev is offline
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A newer version of SecureCRT is available that attempts to resolve the TFTP server issue specific to IPv4 & IPv6 on newer (Sierra) Mac OS X versions.

If you'd like to get access to this installer to try it out, please use the email address associated with your VanDyke Software download account to send email to support@vandyke.com with a subject of: "ATTN: Mac OS X Sierra TFTP IPv4/6 fix request".

In the body of your message, please reference forum thread #12605 and, if you're not sending the email from the same address as your VanDyke software download account, please include the email address of your VanDyke software download account so that we can make the newer version available to you.

--Jake
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  #10  
Old 03-30-2017, 05:25 PM
alimack alimack is offline
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Hi Jake,

Apologies for not responding sooner. I'm running v8.1.0 on Sierra (10.12.4).

Sending an email as per your last message, thanks for your assistance.
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