Editing Cisco IOS: Configure public RSA key authentication
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− | Main Command: <code> | + | Main Command: <code>ip ssh pubkey-chain</code><ref>https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_usr_ssh/configuration/15-s/sec-usr-ssh-15-s-book/sec-secure-shell-v2.html</ref> |
Configuration Example in Linux: | Configuration Example in Linux: | ||
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1. Generate your key if you do not have already one: <code>ssh-keygen</code> | 1. Generate your key if you do not have already one: <code>ssh-keygen</code> | ||
− | 2. Split your key in 72 characters lines: <code> | + | 2. Split your key in 72 characters lines: <code>fold -b -w 72 ~/.ssh/id_rsa.pub</code> and copy output removing ssh-rsa and last part: username@hostname |
3. Configure switch/router | 3. Configure switch/router | ||
− | + | <pre> | |
− | + | Router_name_1#configure terminal | |
− | + | Router_name_1(config)#ip ssh pubkey-chain | |
− | + | Router_name_1(conf-ssh-pubkey)#username YOUR_USERNAME | |
− | + | Router_name_1(conf-ssh-pubkey-user)#key-string | |
− | + | Router_name_1(conf-ssh-pubkey-data)#AAAAB6NzaC1yc2EAAAABJQAAAQEAijoMF9oBwyQxwYbVlFprz+fG8oe5uAcCxwMw | |
− | + | Router_name_1(conf-ssh-pubkey-data)#eIR1lyAnDJIsYbTbcdm+n5KiQnCt2561MpN4yOFpajFNM/dqH7/jYaqaicHCSV2F | |
− | + | Router_name_1(conf-ssh-pubkey-data)#RGauEp7FzN/uXxsX7mii6qOuxovl9OflLpXcvH5QH6551ycmL8nIv8UCY8uayiGI | |
− | + | Router_name_1(conf-ssh-pubkey-data)#INsC0LyKEctWDW6qWp43T7rhcP0y4JoMraTCZLIPNE0Bo0bHgnGLg6fEvJmyB3sX | |
− | + | Router_name_1(conf-ssh-pubkey-data)#H+7BaxHdYKg2OcIgVqYzclWhDwxj32kqd1BCq089iBMrb4QppDU2eM/t22iK29mn | |
− | + | Router_name_1(conf-ssh-pubkey-data)#eqOGTiCkxB80ix+KULT9okmqkj3TbhCpunTfuPCCRNrjqndBsw== | |
− | + | Router_name_1(conf-ssh-pubkey-data)#exit | |
− | + | Router_name_1(conf-ssh-pubkey-user)#exit | |
− | + | Router_name_1(conf-ssh-pubkey)#exit | |
− | + | Router_name_1(config)# | |
+ | </pre> | ||
View config: | View config: | ||
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== Related Activities == | == Related Activities == | ||
− | * [[Cisco IOS | + | * [[Cisco IOS/Associate a user with default higher privileges]] using <code>username</code> command |
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== See also == | == See also == | ||
* [[Configure OpenSSH to allow Public-key authentication]] | * [[Configure OpenSSH to allow Public-key authentication]] | ||
* <code>ssh-keygen</code> | * <code>ssh-keygen</code> | ||
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[[Category: Cisco]] | [[Category: Cisco]] |
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