topic Re: Problems SSHing from ACS 5.2 in Network Access Control https://community.cisco.com/t5/network-access-control/problems-sshing-from-acs-5-2/m-p/1721097#M261335 <HTML><HEAD></HEAD><BODY><P>Hi there!</P><P></P><P></P><P>What about the <SPAN class="content">Key exchange cipher? Is it diffie-hellman-group14-sha1?</SPAN></P></BODY></HTML> Tue, 24 May 2011 19:33:40 GMT srirmoha 2011-05-24T19:33:40Z Problems SSHing from ACS 5.2 https://community.cisco.com/t5/network-access-control/problems-sshing-from-acs-5-2/m-p/1721096#M261317 <P>When I try to SSH from ACS 5.2 CLI to my SFTP server I get :</P><P></P><P>Unable to negotiate a key exchange method.</P><P></P><P>On the SFTP server (Tectia) I have the encryption configured with aes256 and hmac-sha1.</P><P></P><P>Any help appreciated.</P><P></P><P>Thanks,</P><P>G</P> Mon, 11 Mar 2019 01:06:12 GMT https://community.cisco.com/t5/network-access-control/problems-sshing-from-acs-5-2/m-p/1721096#M261317 glearmon 2019-03-11T01:06:12Z Re: Problems SSHing from ACS 5.2 https://community.cisco.com/t5/network-access-control/problems-sshing-from-acs-5-2/m-p/1721097#M261335 <HTML><HEAD></HEAD><BODY><P>Hi there!</P><P></P><P></P><P>What about the <SPAN class="content">Key exchange cipher? Is it diffie-hellman-group14-sha1?</SPAN></P></BODY></HTML> Tue, 24 May 2011 19:33:40 GMT https://community.cisco.com/t5/network-access-control/problems-sshing-from-acs-5-2/m-p/1721097#M261335 srirmoha 2011-05-24T19:33:40Z Re: Problems SSHing from ACS 5.2 https://community.cisco.com/t5/network-access-control/problems-sshing-from-acs-5-2/m-p/1721098#M261379 <HTML><HEAD></HEAD><BODY><P>Thanks - I don't know - that was the first thing I tried to check on the Tectia sevrer side but the Tectia config doesn't seem to mention what cipher exchange is used or provide a way to change it.</P></BODY></HTML> Tue, 24 May 2011 20:48:30 GMT https://community.cisco.com/t5/network-access-control/problems-sshing-from-acs-5-2/m-p/1721098#M261379 glearmon 2011-05-24T20:48:30Z