Cisco Switch Ssh und Telnet: Unterschied zwischen den Versionen
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Thomas (Diskussion | Beiträge) |
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Zeile 20: | Zeile 20: | ||
*c3750(config)#ip ssh authentication-retries 2 | *c3750(config)#ip ssh authentication-retries 2 | ||
+ | ==ssh key löschen== | ||
+ | *c3750(config)#crypto key zeroize | ||
=auto exec= | =auto exec= |
Aktuelle Version vom 13. November 2018, 15:32 Uhr
Telnet aktivieren
- c3750#configure terminal
- c3750(config)#aaa new-model
- c3750(config)#username admin password 0 geheim
- c3750(config)#line vty 0 4
- c3750(config-line)#transport input telnet
SSH aktivieren
- c3750(config)#ip domain-name xinux.org
- c3750(config)#crypto key generate rsa
The name for the keys will be: c3750.xinux.org Choose the size of the key modulus in the range of 360 to 2048 for your General Purpose Keys. Choosing a key modulus greater than 512 may take a few minutes. How many bits in the modulus [512]: % Generating 512 bit RSA keys, keys will be non-exportable...[OK]
- c3750(config)#ip ssh time-out 60
- c3750(config)#ip ssh authentication-retries 2
ssh key löschen
- c3750(config)#crypto key zeroize
auto exec
- switch-rot(config)#aaa new-model
- switch-rot(config)#aaa authorization exec default local
Abschalten von telnet
- c3750#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
- c3750(config)#line vty 0 4
- c3750(config-line)#transport input ssh
Wrap the key onto multiple lines
- root@rome:~# fold -b -w 72 ~/.ssh/id_rsa.pub
- c3750#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
- c3750(config)#ip ssh pubkey-chain
- c3750(conf-ssh-pubkey)# username admin
- c3750(conf-ssh-pubkey-user)#
key-string << paste your multi-line public key here >> exit
Change Default SSH Port
- c3750(config)# ip ssh port 2222 rotary 1
- c3750(config)# line vty 0 15
- c3750(config-line)# rotary 1