Port 6679IRC SSL

**IRC SSL on port 6679** is frequently used for secure Internet Relay Chat services, enabling real-time text communication over an encrypted connection. It protects message content during transmission by leveraging SSL/TLS, thereby ensuring privacy and integrity. Although this port is unofficial, it is widely adopted by IRC networks to add a security layer to traditional plaintext IRC communications..

transport
tcp

single transport

in transit
encrypted

payload protected on the wire

assignment
unofficial

used by convention

risk
4/10

caution

lookups
15,678

rank 197 of 993 · top 20%

Technical Details

what runs on :6679

Internet Relay Chat (IRC) is a long-standing protocol designed for real-time text communication across the internet. It enables users to join channels, engage in group discussions, and perform private messaging. While originally operating in plaintext, an increasing emphasis on security led to the integration of SSL/TLS to encrypt these communications.

Port 6679 is commonly utilized by IRC servers to provide encrypted connections via SSL/TLS. This encryption helps to ensure confidentiality and data integrity for users connecting to IRC networks, thwarting eavesdropping and manipulation. The protocol typically initiates an encrypted session handshake when a client connects, establishing a secure channel before any chat data is exchanged.

Despite being an unofficial port, port 6679 has gained prevalence among IRC servers due to its relatively unobstructed path through network firewalls, as well as its straightforward configuration for SSL-encrypted chats. Its use underscores the importance of secure communication in chat environments where privacy and resistance to tampering are paramount.

Security Information

exposure of :6679

risk score

4/ 10caution

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

security averages 3.8 across 216 ports — this one sits 0.2 above.

in transit

encrypted

payloads are protected on the wire

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:

  • Man-in-the-Middle Attacks if SSL/TLS is misconfigured or if clients do not verify certificates correctly.
  • Client Exploits via malicious scripts or malformed messages sent over the chat protocol.
  • Server Software Vulnerabilities leading to remote code execution or denial of service.
  • Insecure SSL/TLS Protocol Versions that allow downgrade or cipher suite attacks.

Common Mitigations:

  • Enforce strong SSL/TLS versions (e.g., TLS 1.2+) and disable outdated or vulnerable protocol versions.
  • Implement certificate validation and pinning in IRC clients to prevent spoofing.
  • Regularly update IRC server and client software to patch known exploits.
  • Employ network segmentation and firewall rules to restrict access.
  • Enable authentication and access controls on IRC servers.
  • Monitor traffic for anomalies to detect potential exploitation attempts.

the 8 most looked-up other ports in security — 216 ports carry that label.

risk mix of the 8 listed

  • caution100%

3 of 8 encrypted