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DIY Chris

Category: Cisco

Cisco, Routing & Switching

How to configure a Cisco router to be a DNS server

DIY Chris / May 13, 2020

This is probably not something you’ll want to do in a large scale enterprise environment.. let routers be routers.. but for that one off situation where you just need a DNS server and its more convenient than spinning up new hardware to handle a few host entries then this is the perfect solution. First things first. Connect to your Cisco…

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ASA, Cisco, Cisco, Reference

SSH to Cisco ASA fails, unable to negotiate, no matching key exchange method found.

DIY Chris / April 15, 2019

Turns out there is a very simple fix for this. On the ASA ssh key-exchange group dh-group14-sha1   Or as a quick work around you could add -oKexAlgorithms=+diffie-hellman-group1-sha1 in the client bash>ssh -oKexAlgorithms=+diffie-hellman-group1-sha1 username@xxx.xxx.xxx.xxx  

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