Port 9102Bacula FD
Bacula File Daemon (FD) is a component of the Bacula network backup solution, responsible for managing backup and restore operations on client machines. Operating over both TCP and UDP, it enables secure and efficient data transfer between clients and server controllers within the Bacula ecosystem..
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 6,528
2 transports registered
payload readable on path
registered with iana
caution
rank 777 of 993 · top 78%
Technical Details
what runs on :9102Bacula File Daemon (FD) is part of the Bacula open-source enterprise network backup solution, primarily designed to handle backup, recovery, and verification of data across heterogeneous networks. The FD component specifically resides on client machines, where it coordinates the reading and writing of file data during backup and restore jobs, in communication with the Bacula Director and Storage Daemon.
The Bacula FD listens on port 9102 for incoming instructions from the Bacula Director. It accepts authenticated commands instructing it to either send client data for backup or receive data for restoration. The communication typically involves TCP for reliable delivery of backup streams and control messages, while UDP can be optionally used for lightweight status updates or notifications in some configurations.
Designed to support multiple platforms, Bacula FD handles large data transfers efficiently, with capabilities such as compression, encryption (when enabled), and checksum validation. This modular architecture separates control from data handling, improving manageability, scalability, and flexibility for complex enterprise backup environments.
Security Information
exposure of :9102risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
file transfer averages 4.1 across 114 ports — this one sits 0.1 below.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
official
registered with iana for this service — scanners fingerprint it by number
reachable over
tcp · udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
Common vulnerabilities associated with Bacula File Daemon include:
- Unauthorized Access: If access control is misconfigured or weak, attackers may issue malicious commands or extract sensitive data.
- Unencrypted Data Transfer: Without enabling encryption, data transmitted may be intercepted or read by eavesdroppers.
- Buffer Overflows or Code Vulnerabilities: As with many network daemons, older or unpatched FD versions may be susceptible to remote code execution flaws.
Common mitigation strategies include:
- Enabling TLS: Configure Bacula to use encrypted sessions between Daemons.
- Strong Authentication: Utilize strong passwords and access control lists to limit commands acceptance.
- Network Segmentation: Restrict port 9102 exposure to trusted management hosts through firewalls.
- Regular Updates: Keep Bacula components up-to-date with the latest security patches.
- Monitoring: Log and monitor connection attempts and unusual activity directed at the Bacula FD.
Related Ports
the 8 most looked-up other ports in file transfer — 114 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :9080 | Groove RPC | TCPUDP | Web Services | caution | 70.8k |
| :17500 | Dropbox LAN Sync | TCPUDP | File Transfer | caution | 43.7k |
| :548 | Apple Filing Protocol | TCP | File Transfer | caution | 36.8k |
| :7000 | Vuze HTTPS Tracker | TCPtls | Security | caution | 28.9k |
| :1337 | PowerFolder P2P | TCP | Security | caution | 27.1k |
| :9001 | SharePoint Authoring | Web Services | caution | 26.3k | |
| :8080 | FilePhile Relay | UDP | File Transfer | caution | 25.6k |
| :1337 | WASTE Encrypted Sharing | TCP | Security | caution | 22.9k |
risk mix of the 8 listed
- caution100%
1 of 8 encrypted