What is service password-encryption?
What is service password-encryption?
The “service password-encryption” command allows you to encrypt all passwords on your router so they cannot be easily guessed from your running-config. This command uses a very weak encryption because the router has to be very quickly decode the passwords for its operation.
What is a Type 7 password?
Cisco type 7 password This password type uses Vigenère cipher which is essentially a simple alphabetical substitution encryption. The algorithm is reversible and thus it can be deciphered instantly into a plain text without any need for cracking.
What is no service password-encryption?
On Cisco, Adtran, and many other Cisco-esque systems there is the command “no service password-encryption” which stores the password unencrypted in the config.
What is the difference between service password-encryption and enable secret command?
Difference between enable secret command and service password-encryption. “If you enable the service password-encryption command, the password you enter is encrypted. When you display the password with the more system:running-config command, the password displays the password in encrypted form.”
What is the effect of using the service password-encryption?
only passwords configured after the command has been entered will be encrypted. Only the enable password will be encrypted. It will encrypt the secret password and remove the enable secret password from the configuration.
Which statement is true about the service password-encryption command?
Which statement regarding the service password-encryption command is true? It is configured in privileged EXEC mode. It encrypts only line mode passwords. As soon as the service password-encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted.
What is enable secret 9?
Type 9. this mean the password will be encrypted when router store it in Run/Start Files using scrypt as the hashing algorithm. starting from IOS 15.3(3) Example : R1(config)#ena algorithm-type scrypt secret cisco.
What is cisco Type 9 encryption?
Type 9. These use the SCRYPT hashing algorithm defined in the informational RFC 7914. SCRYPT uses 80-bit salt, 16384 iterations. It’s very memory expensive to run the algorithm and therefore difficult to crack.
What is no service password recovery?
The No Service Password-Recovery feature is a security enhancement that prevents anyone with console access to a Cisco router from accessing the configuration or recovering the password.
What is Cisco service password-encryption?
The first method of encryption that Cisco provides is through the command service password-encryption. This command obscures all clear-text passwords in the configuration using a Vigenere cipher. You enable this feature from global configuration mode.
What is enable secret used for?
# enable secret – it will enables a password and password encryption that based on the md5 hashing algorithm. This is is a most recommended command to supply while enabling a password to any cisco network devices.
How does using the service password-encryption command on a router provide additional security?
How does using the service password-encryption command on a router provide additional security? Explanation: By using this command, all the (current and future) passwords are encrypted. This command is primarily useful for keeping unauthorized individuals from viewing your password in your configuration file.
Does service password encryption encrypt passwords?
Service password encryption will encrypt passwords. It will encrypt the enable password as well as encrypting all other clear text passwords on your router including the VTY, AUX, console and user passwords. WARNING: Service password encryption uses weak encryption and can easily be cracked.
How does the service crack password hashes?
The service cracks password hashes by using pre-computed lookup tables consisting of over 15-billion entries that have been extracted from various online resources. Supports LM, NTLM, md2, md4, md5, md5 (md5_hex), md5-half, sha1, sha224, sha256, sha384, sha512, ripeMD160, whirlpool, MySQL 4.1+ (sha1 (sha1_bin)), QubesV3.1BackupDefaults.
How can password cracking software be used to recover passwords?
Answer: Password cracking software can be used to recover passwords that have been forgotten. You can also use the tool for recovering social media accounts that have been stolen. The tool can also be used by security experts to detect vulnerabilities.
What happens if you run no password service-encryption?
More systems have been wiped out by admins than any cracker could do in a lifetime. Running no password service-encryption does not decrypt the password. It will only stop any future passwords from being encrypted. This is only used to encrypt the enable passwords and it does not affect the enable secret password.