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Port 6523Gobby Collaborative Editing

Port 6523 is primarily used by Gobby 0.5 and other libinfinity-based collaborative editing applications. These tools enable multiple users to edit documents simultaneously in real-time, fostering efficient teamwork and communication. The collaboration relies on a server-client architecture where a session host manages document access and synchronization across clients..

inNetwork ServicesCloud
transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
10,404

rank 435 of 993 · top 44%

Technical Details

what runs on :6523

Gobby is an open-source, real-time collaborative editor built upon the libinfinity library, facilitating multi-user editing sessions over a network. Port 6523 serves as the default communication channel for these sessions, typically using TCP to provide reliable data transfer. The software supports structured sessions where users can join, edit, and view shared documents concurrently with minimal delay.

The libinfinity protocol handles data synchronization, conflict resolution, and change distribution. It maintains document consistency across all peers by broadcasting edits, locking sections of the document when necessary, and merging changes to avoid loss of data. This real-time interactivity is crucial for efficient group editing and brainstorming.

Deployments usually involve a dedicated Infinity server hosting collaborative sessions accessible via port 6523. Depending on configuration, this server may handle user authentication, encryption (if enabled), and session management. However, by default, many community setups might not enforce encryption, leaving data in plaintext during transmission.

Security Information

exposure of :6523

risk score

4/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

network services averages 3.9 across 604 ports — this one sits 0.1 above.

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

  • Unencrypted communication: By default, data over this port is transmitted in plaintext, susceptible to eavesdropping and interception.
  • Lack of robust authentication: Misconfigured servers may permit unauthorized users to join and modify documents.
  • Denial-of-Service (DoS): Attackers could flood the service, disrupting collaborative editing sessions.
  • Exposure of confidential content: Without access controls, sensitive collaborative work may be accessed by unintended parties.

Mitigations

  • Enable optional encryption: Utilize libinfinity's encryption features where supported to protect communication.
  • Restrict access: Use firewall rules and network segmentation to limit exposure of port 6523 to trusted users.
  • Implement strong authentication: Configure user access controls to prevent unauthorized session joining.
  • Regular updates: Keep collaborative software updated to patch security flaws and vulnerabilities.
  • Monitor network traffic: Employ intrusion detection systems to identify malicious activity targeting this port.

Related Ports

all 604 in network services →

the 8 most looked-up other ports in network services — 604 ports carry that label.

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risk mix of the 8 listed

  • caution100%

0 of 8 encrypted