In a big organization , it s unlikely that the sysadmin will grant even long - time , trusted developer privileges to ports and protocols other than port 80 and http https 在一個大型的組織中,即使對于長期、可信的開發(fā)者,系統(tǒng)管理員也不太可能會賦予其使用除端口80和http / https以外的端口及協(xié)議的特權(quán)。