https://community.cisco.com/t5/network-security/ssh-server-cbc-mode-ciphers-enabled/m-p/3339295#M903195 <P>Having 12.4 version IOS in Cisco 7206 router, how to disable SSH Server CBC Mode Ciphers, SSH Weak MAC Algorithms</P> Fri, 21 Feb 2020 15:27:14 GMT avanth chidurala 2020-02-21T15:27:14Z https://community.cisco.com/t5/network-security/ssh-server-cbc-mode-ciphers-enabled/m-p/3339295#M903195 <P>Having 12.4 version IOS in Cisco 7206 router, how to disable SSH Server CBC Mode Ciphers, SSH Weak MAC Algorithms</P> Fri, 21 Feb 2020 15:27:14 GMT https://community.cisco.com/t5/network-security/ssh-server-cbc-mode-ciphers-enabled/m-p/3339295#M903195 avanth chidurala 2020-02-21T15:27:14Z https://community.cisco.com/t5/network-security/ssh-server-cbc-mode-ciphers-enabled/m-p/3339399#M903196 <P>Hi,</P> <P>AES-CTR is more secure than CBC, however CTR is only supported on newer 15.x IOS firmware.</P> <P>&nbsp;</P> <P>Here are the commands to configure for your reference <A href="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-algorithm-ccc.html" target="_self">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-algorithm-ccc.html</A></P> Wed, 28 Feb 2018 09:57:39 GMT https://community.cisco.com/t5/network-security/ssh-server-cbc-mode-ciphers-enabled/m-p/3339399#M903196 Rob Ingram 2018-02-28T09:57:39Z