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Old 01-11-2018, 08:59 PM
blittlej blittlej is offline
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Join Date: Jan 2018
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OSX 10.13.2 can not get telnet handler change

I have OSX 10.13.2. I have to click on URL's to telnet into applications. I can not get OSX to change is telnet handler (e.i., telnet://x.x.x.x) to change to secureCRT (happens in Chrome and Safari). I have spent hours on it. I have changed the Global.ini file to check telnet handler. I have tried to disable SIP on the mac and put telnet into /usr/bin.

I think if I can force the global.ini file in secureCRT to check the telnet client again it would work. But, no luck.
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Old 01-12-2018, 08:58 AM
bgagnon bgagnon is offline
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Join Date: Oct 2008
Posts: 3,222
Hi blittlej,

If you need to clear the default handler, you might try these steps (but I don't think they have been verified on High Sierra):
  • Open ~/Library/Preferences/com.apple.LaunchServices/com.apple.launchservices.secure.plist

  • Locate the entry that sets the telnet handler to SecureCRT and delete it; then save.

  • In Terminal, from your home folder, run the following command:
    /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister -kill -r -domain local -domain system -domain user

  • Now, rerun SecureCRT to register SecureCRT (actually the Url Launcher) as the telnet handler. If the prompt doesn't show up, you may need to set the Check Shell Telnet Command to 00000001.

By "changed the Global.ini file", you mean you made that change referenced above, correct?
D:"Check Shell Telnet Command"=00000000
D:"Check Shell Telnet Command"=00000001

I have added this thread to a feature request in our product enhancement database to make it easier to set SecureCRT as the default Telnet handler (url). Should a future release of SecureCRT include this feature, notification will be posted here.

If you prefer direct email notification, send an email to support@vandyke.com and include "Feature Request - Forum Thread #12977" in the subject line or use this form from the support page of our website.

VanDyke Software
Technical Support
(505) 332-5730
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Old 01-13-2018, 06:45 PM
blittlej blittlej is offline
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Join Date: Jan 2018
Posts: 2
THAT WORKED!!! You are a god send. I spent hours on this.
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