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TCP
Dangerous
Database
Port 26257 (CockroachDB)
Learn about port 26257 (CockroachDB) - security risks, vulnerabilities, and common uses. Find devices with port 26257 open.
Quick Info
Port Number
26257
Protocol
TCP
Service
CockroachDB
IANA Name
CockroachDB
Service Description
TCP port 26257 is the standard port used by CockroachDB, a distributed SQL database designed for high availability, scalability, and strong consistency. CockroachDB implements a strongly-consistent, distributed key-value store based on Google's Spanner architecture. The database distributes data across multiple nodes, replicating it for fault tolerance. Port 26257 facilitates communication between CockroachDB nodes in a cluster, as well as client connections. It handles the SQL protocol and internal gossip protocol used for cluster management and data replication. The history of CockroachDB is relatively recent, with the first release in 2015, but it quickly gained popularity due to its ACID properties and ease of deployment in cloud environments. The protocol is a custom binary protocol built on top of TCP that includes SQL commands, internal cluster management messages, and data transfer operations.
## Firewall Recommendations
Port 26257 should be blocked from external access unless absolutely necessary. If external access is required, it should be strictly controlled using firewalls and access control lists (ACLs) to limit access to only authorized IP addresses or networks. Strong authentication mechanisms, such as TLS/SSL encryption and robust password policies, should be enforced. Regularly update CockroachDB to the latest version to patch any known vulnerabilities. Implement network segmentation to isolate the CockroachDB cluster from other parts of the network. Monitor network traffic for suspicious activity and implement intrusion detection/prevention systems. Consider using a VPN for remote access to the database to further protect against unauthorized access.
## Firewall Recommendations
Port 26257 should be blocked from external access unless absolutely necessary. If external access is required, it should be strictly controlled using firewalls and access control lists (ACLs) to limit access to only authorized IP addresses or networks. Strong authentication mechanisms, such as TLS/SSL encryption and robust password policies, should be enforced. Regularly update CockroachDB to the latest version to patch any known vulnerabilities. Implement network segmentation to isolate the CockroachDB cluster from other parts of the network. Monitor network traffic for suspicious activity and implement intrusion detection/prevention systems. Consider using a VPN for remote access to the database to further protect against unauthorized access.
Security Information
Exposing port 26257 to the public internet without proper authentication and authorization mechanisms presents significant security risks. Attackers could potentially gain unauthorized access to the database, leading to data breaches, data manipulation, or denial-of-service attacks. Common attack vectors include SQL injection (if the application using the database is vulnerable), brute-force attacks on weak passwords, and exploitation of known vulnerabilities in the CockroachDB software itself. The port might be targeted by attackers looking for valuable data, such as personally identifiable information (PII), financial records, or intellectual property. Misconfigurations, such as default passwords or overly permissive firewall rules, can also increase the risk of compromise. Internal network exposure without proper segmentation also elevates the risk if other systems are compromised.
Common Software
- CockroachDB
- DBVisualizer
- DBeaver
- SQL Developer
- pgAdmin (with PostgreSQL compatibility)
- Flyway
- Liquibase
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