PRIMARY CATEGORY → PENTESTING ROOT Components ⟡ 20, 21 - FTP 22 - SSH 25, 465, 587 - SMTP 53 - DNS 80, 443 - HTTP 88 - KERBEROS 110, 995 - POP3 111, 2049 - NFS 135 - RPC 139, 445 - SMB 143, 993 - IMAP 161, 162 - SNMP 389, 636 - LDAP 623 - IPMI 873 - RSYNC 1433 - MSSQL 1521 - ORACLE TNS 3306 - MYSQL 3389 - RDP 5985, 5986 - WINRM 6379 - REDIS Resources Common Ports Cheatsheet I Common Ports Cheatsheet II All Ports and Services (Search Engine)