Doing magic with SSH port forward

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Hopefully all readers on the dot11 blog will know SSH as the text console interface to servers and network equipment. Many will thing of it as an encrypted telnet alternative. But there is a lot more to SSH than that. One very handy function is port forward. When opening a SSH connection it is possible […]

Fix missing ciphers in OS X

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Error: Unable to negotiate with x.x.x.x port 22: no matching cipher found. Their offer: aes256-cbc,aes128-cbc Fix: sudo vi /etc/ssh/ssh_config Find the string: Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc Uncomment it and your ssh will work as usual.

Fix MacBook SSH to Cisco ASA firewall

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Some versions of ASA firewall is using a week ssh implementation that OS X does not support. See like this if you try Unable to negotiate with x.x.x.x port 22: no matching key exchange found. Their offer diffie-hellman-group1-sha1 Here are a fix for it (easy) https://www.petenetlive.com/KB/Article/0001245