常用端口整理，避免端口规划时端口冲突
| Ports️ | Software |
|---|---|
| 21 | ftp |
| 22 | sftp ssh |
| 23 | telnet |
| 25 | smtp |
| 53 | dns |
| 80 | http iis nginx |
| 110 | pop3 |
| 119 | nntp |
| 123 | ntp |
| 143 | imap |
| 161 | snmp |
| 194 | irc |
| 389 | ldap |
| 443 | https |
| 1433 | sqlserver |
| 1434 | sqlserver |
| 1521 | oracle |
| 3306 | mysql |
| 3389 | rdp |
| 5432 | postgresql |
| 6379 | redis |
| 7001 | weblogic |
| 8080 | jboss tomcat |
| 9080 | websphere |
| 9090 | websphere |
| 9200 | elasticsearch |
| 22122 | fastdfs |
| 27017 | mongodb |
参考
https://web.mit.edu/rhel-doc/4/RH-DOCS/rhel-sg-en-4/ch-ports.html
