| 445 | SMB microsoft-ds | TCP UDP | 9/10 critical | optional |
| 21 | FTP ftp | TCP UDP SCTP | 7/10 high | optional |
| 139 | NetBIOS Session netbios-ssn | TCP UDP | 8/10 high | no |
| 69 | TFTP tftp | UDP TCP | 7/10 high | no |
| 2049 | NFS nfs, shilp | TCP UDP SCTP | 7/10 high | no |
| 873 | rsync rsync | TCP UDP | 6/10 high | no |
| 20 | File Transfer [Default Data] ftp-data | TCP UDP SCTP | - | - |
| 115 | Simple File Transfer Protocol sftp | TCP UDP | - | - |
| 152 | Background File Transfer Program bftp | TCP UDP | - | - |
| 247 | SUBNTBCST_TFTP subntbcst_tftp, subntbcst-tftp | TCP UDP | - | - |
| 308 | Novastor Backup novastorbakcup | TCP UDP | - | - |
| 487 | saft Simple Asynchronous File Transfer saft | TCP UDP | - | - |
| 497 | Retrospect backup and restore service retrospect | TCP UDP | - | - |
| 548 | AFP over TCP afpovertcp | TCP UDP | - | - |
| 564 | plan 9 file service 9pfs | TCP UDP | - | - |
| 574 | FTP Software Agent System ftp-agent | TCP UDP | - | - |
| 608 | Sender-Initiated/Unsolicited File Transfer sift-uft | TCP UDP | - | - |
| 911 | xact-backup xact-backup | TCP UDP | - | - |
| 989 | ftp protocol, data, over TLS/SSL ftps-data | TCP UDP | - | yes |
| 990 | ftp protocol, control, over TLS/SSL ftps | TCP UDP | - | yes |
| 1120 | Battle.net File Transfer Protocol bnetfile | TCP UDP | - | - |
| 1150 | Blaze File Server blaze | TCP UDP | - | - |
| 1179 | Backup To Neighbor b2n | TCP UDP | - | - |
| 1758 | tftp-mcast tftp-mcast | TCP UDP | - | - |
| 1818 | Enhanced Trivial File Transfer Protocol etftp | TCP UDP | - | - |
| 2257 | simple text/file transfer simple-tx-rx | TCP UDP | - | - |
| 2262 | CoMotion Backup Server comotionback | TCP UDP | - | - |
| 2529 | UTS FTP utsftp | TCP UDP | - | - |
| 2773 | RBackup Remote Backup rbakcup1 | TCP UDP | - | - |
| 2774 | RBackup Remote Backup rbakcup2 | TCP UDP | - | - |
| 2811 | GSI FTP gsiftp | TCP UDP | - | - |
| 3020 | CIFS cifs | TCP UDP | - | - |
| 3305 | ODETTE-FTP odette-ftp | TCP UDP | - | - |
| 3527 | VERITAS Backup Exec Server beserver-msg-q | TCP UDP | - | - |
| 3638 | EHP Backup Protocol ehp-backup | TCP UDP | - | - |
| 3713 | TFTP over TLS tftps | TCP UDP | - | yes |
| 4071 | Automatically Incremental Backup aibkup | TCP UDP | - | - |
| 4186 | Box Backup Store Service boxbackupstore | TCP | - | - |
| 4573 | A port for communication between a server and client for a custom backup system cardifftec-back | TCP | - | - |
| 4687 | Network Scanner Tool FTP nst | TCP UDP | - | - |
| 4971 | BackUp and Restore Program burp | TCP | - | - |
| 5120 | Barracuda Backup Protocol barracuda-bbs | TCP UDP | - | - |
| 5163 | Shadow Backup sbackup | TCP | - | - |
| 5233 | Etinnae Network File Service enfs | TCP | - | - |
| 5842 | Reversion Backup/Restore reversion | TCP | - | - |
| 6122 | Backup Express Web Server bex-webadmin | TCP UDP | - | - |
| 6123 | Backup Express backup-express | TCP UDP | - | - |
| 6124 | Phlexible Network Backup Service pnbs | TCP UDP | - | - |
| 6619 | ODETTE-FTP over TLS/SSL odette-ftps | TCP UDP | - | yes |
| 6620 | Kerberos V5 FTP Data kftp-data | TCP UDP | - | - |
| 6621 | Kerberos V5 FTP Control kftp | TCP UDP | - | - |
| 6622 | Multicast FTP mcftp | TCP UDP | - | - |
| 7000 | file server itself afs3-fileserver | TCP UDP | - | - |
| 7117 | Encrypted chat and file transfer service rothaga | TCP | - | yes |
| 7394 | File system export of backup images fse | TCP UDP | - | - |
| 8148 | i-SDD file transfer isdd | TCP UDP | - | - |
| 8405 | SuperVault Backup svbackup | TCP | - | - |
| 8432 | PostgreSQL Backup pgbackrest | TCP | - | - |
| 8912 | Windows Client Backup wcbackup | TCP UDP | - | - |
| 9800 | WebDav Source Port davsrc | TCP UDP | - | - |
| 9802 | WebDAV Source TLS/SSL davsrcs | TCP UDP | - | yes |
| 11202 | DCSL Network Backup Services dcsl-backup | TCP | - | - |
| 15660 | Backup Express Restore Server bex-xr | TCP UDP | - | - |
| 18243 | Checkpoint router state backup clusterxl | TCP | - | - |
| 20048 | NFS mount protocol mountd | TCP UDP | - | - |
| 20049 | Network File System (NFS) over RDMA nfsrdma | TCP UDP SCTP | - | - |
| 21213 | Cohesity backup agents cohesity-agent | TCP | - | - |
| 21554 | MineScape Design File Server dfserver | TCP UDP | - | - |
| 22537 | CaldSoft Backup server file transfer caldsoft-backup | TCP | - | - |
| 37601 | Epipole File Transfer Protocol eftp | TCP | - | - |
| 44445 | Acronis Backup Gateway service port acronis-backup | TCP | - | - |