Port 7777OCFS2
Oracle Cluster File System 2 (OCFS2) is a shared-disk cluster file system designed to facilitate data sharing in clustered Oracle environments. It allows multiple servers to concurrently access a single storage volume, supporting high availability and scalability for databases, middleware, and other applications requiring shared storage. Installed primarily on Linux systems, OCFS2 is widely used in enterprise deployments to simplify complex clustering tasks..
- transport
- tcp
- in transit
- cleartext
- assignment
- unofficial
- risk
- 4/10
- lookups
- 12,526
single transport
payload readable on path
used by convention
caution
rank 309 of 993 · top 31%
4 other services are registered on port 7777. compare all 5 →
Technical Details
what runs on :7777Oracle Cluster File System 2 (OCFS2) is an open-source, POSIX-compliant shared disk cluster file system primarily used within Oracle Real Application Clusters (RAC) environments. It replaces OCFS, offering enhanced features such as support for larger file sizes, POSIX compliance, extended attributes, quotas, and snapshot capabilities. OCFS2 facilitates multiple servers connected over a network to access and manage files stored on a SAN or shared disk subsystem concurrently.
The architecture of OCFS2 relies on a distributed lock manager (DLM) to coordinate file access across nodes, maintaining data integrity and consistency. When a node attempts to read or write to a file, the DLM manages locks to prevent corruption due to simultaneous modifications. OCFS2 supports journaling, which helps prevent data loss during crashes by recording metadata updates before committing them to the disk.
OCFS2 can be integrated into enterprise computing environments beyond Oracle, serving general-purpose data sharing among Linux cluster nodes. It supports features such as reflinks for space-efficient file copies, online resizing, and integration with clustering services like Pacemaker and Corosync to provide a robust, scalable, and highly available file storage solution.
Security Information
exposure of :7777risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
databases averages 4.0 across 58 ports — this one sits level with it.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
unofficial
used by convention, not registered — what answers here varies by deployment
reachable over
tcp
every listening transport is another surface to filter at the edge
security overview
Common vulnerabilities associated with OCFS2 involve improper configuration, which may expose cluster communication and file system data to unauthorized access. Risks include:
- Network sniffing or man-in-the-middle attacks on unencrypted inter-node communication.
- Unauthorized clients gaining access to the shared file system.
- Exploitation of cluster management interfaces if not properly secured.
- Potential denial-of-service if a compromised node corrupts the shared storage.
Mitigations involve:
- Isolating cluster communication on secure, private networks or using VPNs.
- Applying strict access control lists and authentication mechanisms for nodes.
- Employing file system permissions and, where possible, encryption at rest.
- Regularly updating the Linux kernel and OCFS2 to patch vulnerabilities.
- Monitoring cluster activity and using audit logs to detect anomalies.
Related Ports
the 8 most looked-up other ports in databases — 58 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :8882 | Atlasz Secure App Server | TCP | Web Services | caution | 66.9k |
| :9001 | ETL Service Manager | TCPUDP | Databases | caution | 28.6k |
| :2484 | Oracle SSL Listener | TCPUDPtls | Security | caution | 25.0k |
| :5495 | Applix TM1 Admin | TCP | Databases | caution | 24.8k |
| :591 | FileMaker Web Sharing | TCP | Web Services | caution | 23.1k |
| :1521 | Oracle TNS Listener | TCP | Security | caution | 19.6k |
| :21001 | AMLFilter Admin | TCP | Security | caution | 19.2k |
| :18206 | Audition FAM DB | TCPUDP | Databases | caution | 19.1k |
risk mix of the 8 listed
- caution100%
1 of 8 encrypted