How do I remove KEX diffie-hellman-group1-sha1 from SSH on PAN-OS 8.1?

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How do I remove KEX diffie-hellman-group1-sha1 from SSH on PAN-OS 8.1?

L1 Bithead

Our vulnerability scanner has detected a weak KEX algorithm (diffie-hellman-group1-sha1) on our firewall.  Is there a persistent way to disable the weak KEX algorithm?


I found this article (below), but it says every time the firewall reboots the weak algorithm becomes enabled again.
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000PN5bCAG

2 REPLIES 2

L4 Transporter

@pdwilson 

Hello friend, recently I had to apply 9.1.x and after the reboot the weak algorithms remained disabled.

That you comment most likely only applied to 8.x.x and 8.1.x.

Regards

High Sticker

Thanks for the reply.  I agree,  Unfortunately the latest version of PAN-OS compatible with the firewall in question is 8.1.x, so upgrading to 9.1.x is not an option for me.  I suppose I will have to deal with this until the HW is EOL and is replaced. I was just hoping there was "permanent" setting for 8.1.x.

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