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References and Resources

Essential resources for penetration testing and service enumeration.

Vulnerability Databases

Testing Methodologies

Documentation

Default Credentials

Database Services

MySQL:    root / (blank), root / root
MSSQL:    sa / (blank), sa / sa  
Oracle:   sys / change_on_install, scott / tiger

Network Devices

SNMP:     public, private, community
Router:   admin / admin, cisco / cisco

Common Ports

21    FTP       25    SMTP      80    HTTP      139   NetBIOS
110   POP3      143   IMAP      161   SNMP      389   LDAP
443   HTTPS     445   SMB       993   IMAPS     995   POP3S
1433  MSSQL     1521  Oracle    2049  NFS       3306  MySQL
3389  RDP       5432  PostgreSQL

Training Resources

Online Platforms

Certifications

  • Entry: CompTIA Security+, PenTest+, CEH
  • Advanced: OSCP, GPEN
  • Expert: OSEE, GXPN

Always ensure proper authorization before testing any systems. Unauthorized access is illegal and unethical.