NXOS Security Testing

Proficiency in Python is essential, while familiarity with PyATS is highly recommended.

· AAA - Understanding in both Local and Remote authentication

· Radius - Understanding of both UDP-based and TCP-based Radius protocols

· Tacacs - Knowledge of TCP/TLS-based protocols

· Remote AAA Server - Experience with Client, openradius, or opentacacs is beneficial.

· SSH - Ability to implement Password or password-less authentication, along with knowledge of ciphers, MAC, and Keytype algorithms

· Telnet - Familiarity with this protocol

· HTTP/HTTPS - Understanding of TLS versions and the ability to perform basic GET/SET operations

· SNMP - Experience with Versions 1, 2c, and 3, as well as SNMP operations such as snmpwalk, get, getnext, and set, including authentication and privacy for SNMPv3

· Openssl/OpenSSH - Proficiency in these open-source code.

· PKI-based certificate management - Knowledge in this area is important.

· Familiarity with copy protocols such as SCP, SFTP, TFTP, FTP, HTTP, etc.

· NTP - Understanding of Network Time Protocol