ip ssh server algorithm kex コマンドを使用するとキー交換アルゴリズムを設定でき、ip ssh server algorithm mac コマンドを使用すると MAC アルゴリズムを設定できます。 コモン クライテリア認定用の SSH アルゴリズムに関する情報 コモン クライテリア認定用の S...
Aug 21 20:07:08.916: SSH2 0: kex: client->server enc:aes256-ctr mac:hmac-sha1 Aug 21 20:07:08.916: SSH2 0: kex: server->client enc:aes256-ctr mac:hmac-sha1 ! Client chooses authentication algorithm Aug 21 20:07:08.916: SSH2 0: Using hostkey algo = x509v3-ssh-rsa Aug ...
ip ssh server algorithm encryption aes128-ctr aes192-ctr aes256-ctrip ssh server algorithm hostkey x509v3-ssh-rsa ssh-rsaip ssh server algorithm authentication publickey keyboard passwordip ssh server algorithm publickey x509v3-ssh-rsa ssh-rsaip ssh client algorithm mac hmac-sha1 hmac-sha1-9...
The switch is running the latest version, and I’ve tested both available KEX algorithms, but the issue persists: (config)#ip ssh server algorithm kex ? diffie-hellman-group-exchange-sha1 DH_GRPX_SHA1 diffie-hellman key exchange algorithm diffie-hellman-group14-sha1 DH_GRP14_SHA1 diffie-...
Device(config)#ip ssh server algorithm kex curve25519-sha256@libssh.org diffie-hellman-group14-sha1 ecdh-sha2-nistp256 ecdh-sha2-nistp384 ecdh-sha2-nistp521 Device(config)#ip ssh client algorithm kex curve25519-sha256@libssh.org di...
C9407#ssh -l admin 192.168.10.10 [Connection to 192.168.10.10 aborted: error status 0] C9407# Jan 18 10:39:49.478: %SSH-3-NO_MATCH: No matching kex algorithm found: client curve25519-sha256@libssh.org,ecdh-sha1 C9407#sh ip ssh SSH Enabled - version 2.0 Authentication methods:public...
I guess vulnerability is highlighted on below kex algorithm. Could you help to understand on this if this can be changed to recommended value or are we any plan to introduce more secure values. router(config)#ip ssh server algorithm kex ?diffie-hellman-group-exc...
SUMMARY Can't connect to devices which only support diffie-hellman-group1-sha1. When running a command into these devices I get the error: {"msg": "ssh connection failed: ssh connect failed: kex error : no match for method kex algos: ser...
I tried this method here https://community.cisco.com/t5/switching/logging-ssh-3-no-match-no-matching-cipher-found-client-aes128/td-p/3690528 and added the following line to the config terminal, ip ssh server algorithm encryption aes128-cbc 3des-cbc aes192-cbc aes256-cbc aes128-ctr aes...
ip ssh dh min size 2048 ip ssh server algorithm encryption aes256-ctr aes128-ctr ip ssh server algorithm mac hmac-sha2-256 ip ssh server algorithm kex diffie-hellman-group14-sha1 ip ssh client algorithm encryption aes256-ctr aes128-ctr SSH server ciphers can be verified with nmap 7.8: ...