Port 19295Google Talk Voice & Video

Port 19295 is commonly used by Google Talk's voice and video communication services, facilitating the real-time exchange of audio and video data between users. Operating over UDP, this port supports the seamless transfer of media streams to enable conferencing, VoIP, and video chat functionalities integral to Google Talk and related instant messaging platforms..

transport
udp

single transport

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
15,433

rank 207 of 993 · top 21%

Technical Details

what runs on :19295

Port 19295 is primarily associated with Google Talk's real-time multimedia communication capabilities, specifically handling voice and video transmissions. It leverages UDP to manage audio and video data streams efficiently, reducing latency and providing smooth, continuous communication experiences during calls and conferencing sessions.

Being an unofficial port allocation, 19295 is dynamically used for establishing media relay pathways that traverse NATs and firewalls. Through protocols such as RTP (Real-Time Protocol) over UDP, Google Talk can negotiate media streams with high responsiveness. Supplementary signaling may occur over different ports or protocols, while media delivery occurs here in a best-effort manner prioritizing real-time performance.

This port supports the integration of voice and video components into Google Talk's broader chat ecosystem, making it a critical part of enabling multimedia communication. Its reliance on UDP helps mitigate the drawbacks of connection-oriented overhead, albeit at the cost of potential packet loss without retransmission.

Security Information

exposure of :19295

risk score

4/ 10caution

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

voice and chat averages 3.9 across 120 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

udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

Common Vulnerabilities:

  • Unencrypted UDP traffic on port 19295 can be intercepted, leading to eavesdropping on voice and video streams.
  • The port, if left unnecessarily exposed, can be leveraged in denial-of-service (DoS) attacks due to the connectionless nature of UDP.
  • Malicious actors might exploit vulnerabilities within the media processing applications or codecs to inject malicious payloads via malformed packets.

Common Mitigations:

  • Limit port exposure through firewalls and access control lists (ACLs), allowing only trusted IP ranges.
  • Employ encryption protocols (e.g., SRTP) to secure media streams and prevent interception.
  • Regularly update and patch voice and video communication software to mitigate application layer vulnerabilities.
  • Monitor traffic patterns for unusual volumes indicative of DoS attempts or data exfiltration.
  • Use deep packet inspection (DPI) tools to detect anomalous or malicious packet structures targeting media services.

the 8 most looked-up other ports in voice and chat — 120 ports carry that label.

risk mix of the 8 listed

  • caution100%

1 of 8 encrypted