TCP Port 989 – ftps-data

About TCP Port 989

Port 989 carries the IANA assignment for ftps-data. The IANA description reads: ‘ftp protocol, data, over TLS/SSL’. This port appears in 5 IDS rules and does not have notable malware activity indicators in our data.

IDS Rule References

5 IDS / security rules reference TCP port 989. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 1): bad-unknown (5).

Sample rule descriptions for TCP port 989:

• ET EXPLOIT Possible OpenSSL HeartBleed Large HeartBeat Response from Common SSL Port (Outbound from Server)
• ET EXPLOIT Possible OpenSSL HeartBleed Large HeartBeat Response from Common SSL Port (Outbound from Client)
• ET EXPLOIT Possible TLS HeartBleed Unencrypted Request Method 4 (Inbound to Common SSL Port)
• ET EXPLOIT Possible TLS HeartBleed Unencrypted Request Method 3 (Inbound to Common SSL Port)
• ET EXPLOIT FREAK Weak Export Suite From Server (CVE-2015-0204)

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry and Emerging Threats Open Ruleset (BSD 2-Clause / GPLv2 per SID range).