Port 27010Source Engine Server
Port 27010 is commonly associated with dedicated game servers running on the Source Engine, developed by Valve. This port is utilized for server communication, such as game status queries and managing multiple server instances within multiplayer online gaming environments. While it is primarily known in unofficial contexts, it remains a critical component supporting the gameplay and server management of titles like Counter-Strike, Team Fortress, and other Source-based games..
- transport
- unknown
- in transit
- cleartext
- assignment
- unofficial
- risk
- 4/10
- lookups
- 5,905
single transport
payload readable on path
used by convention
caution
rank 838 of 993 · top 84%
Technical Details
what runs on :27010Port 27010 is widely used by dedicated servers powered by Valve's Source Engine, which supports popular multiplayer games. This port often operates alongside other common ports (such as 27015 or 27005) to handle server communications, including client-server synchronization, server queries, and management of game instances. Though primarily unofficial, many Source-based servers utilize it as an alternative listen or query port.
Technically, it facilitates communication over both TCP and UDP — depending on the server configurations and game requirements — although in many cases, UDP is favored for real-time game data exchange due to its low latency. The port enables clients to retrieve server details like active player lists, game modes running, and match status.
Game server administrators can customize their setups, which sometimes includes reassigning or forwarding this port. Consequently, 27010 plays a significant role in maintaining responsive, low-latency gameplay within Source Engine titles, essential for ensuring a stable multiplayer experience.
Security Information
exposure of :27010risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
gaming averages 4.0 across 124 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
unknown
every listening transport is another surface to filter at the edge
security overview
Common vulnerabilities on this port typically stem from improperly secured game servers. Attackers may exploit exposed query interfaces or unpatched server software to perform actions such as:
- Denial-of-service (DoS) or distributed DoS (DDoS) attacks, disrupting player connectivity.
- Enumeration attacks, where server details are harvested for target selection.
- Remote code execution if underlying software vulnerabilities are present.
Mitigations include:
- Keeping all Source Engine server software updated with the latest security patches.
- Limiting port exposure via firewall rules to trusted IP addresses.
- Using rate limiting to deter DDoS attempts.
- Employing network security appliances to detect and block suspicious traffic patterns.
- Disabling unused services and running servers with minimal privileges. These practices reduce the attack surface and bolster server resilience against common threats.
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| :18206 | Audition FAM DB | TCPUDP | Databases | caution | 19.1k |
| :18505 | Audition Dance Battle Status Check | TCPUDP | Network Services | caution | 18.9k |
risk mix of the 8 listed
- caution100%
0 of 8 encrypted