NETWORK SECURITY MANAGEMENT ACCESS

LINE SECURITY

Fery-Router(config)#
1. Fery-Router(config)#security passwords min-length 10
2. Fery-Router(config)#line vty 0 4
3. Fery-Router(config-line)#password fery
% Password too short – must be at least 10 characters. Password configuration failed
Fery-Router(config-line)#password fery1234512345
Fery-Router(config-line)#login
Fery-Router(config-line)#logging synchronous
Fery-Router(config-line)#exit
4. Fery-Router(config)#username fery secret fery12345
% Password too short – must be at least 10 characters. Password configuration failed
Fery-Router(config)#username fery1 secret fery1234512345
5. Fery-Router(config)#security authentication failure rate 5 log
6. Fery-Router(config)#login block-for 100 attempts 5 within 60
7. Fery-Router(config)#login quiet-mode access-class 10
8. Fery-Router(config)#login on-failure log
Fery-Router(config)#

keterangan command ;

1. setting panjang pasword minimal 10 karakter
2. masuk ke line telnet
3. masukan passwod (panjang passwod kurang dari 10 karakter akan muncul errror)
4. buat username fery dengan secret 10 karakter
5. buat log jika gagal login sebanyak 5 kali
6. blok akses login selama 5 menit jika user gagal memcoba login 100 kali dalam 1 menit
7. selama router memblok akses login, definisikan network mana yang bisa login
selama masa bloking tersebut
8. buat log jika login gagal

~ by feryjunaedi on March 18, 2009.

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