Enumeration
Network Enumeration(OSINT) Active Enumeration(OSINT) Passive Enumeration[22] SSH[21] FTP[25,465,587] SMTP[53] DNS Enumeration[80 443] HTTP HTTPS[110,143,993,995] IMAP/POP3 Enumeration[111,2049] Network File System[139,445] SMB Enumeration[161] SNMP[512,513,514] R-Services[623] IPMI[873] Rsync[1433] MSSQL[1521] Oracle TNS[3389] Remote Desktop Protocol (RDP)[5985/5986] WinRM[3306] Mysql[513] Rlogin