Firebind Inc.

Knowledge Base

Payload Receive Time Out

For TCP port testing, this indicates that the client was able to complete the 3-way handshake (establish a socket), however, after sending the test payload, the client timed out waiting for a reply. T
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Success (Port Status)

All TCP and UDP ports in the path test were successful in transmitting and receiving data to and from the Firebind servers.
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Handshake Connection Timed Out

For TCP port testing, this indicates that while the client was trying to establish a 3-way handshake with the server, upon sending the initial SYN packet, the client received no response from the serv
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Are There Any Web Browser Requirements or Limitations?

We recommend the Applet client since it has no limitations and provides a greater level of detail, however, if you prefer the web-based client, please note the following Minimum browser requirements.
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Handshake Connection Refused

For TCP port testing, this indicates that while the client was trying to establish a 3-way handshake with the server, upon sending the initial SYN packet, the client received back a TCP RESET (TCP RST
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Payload Receive Refused

For TCP port testing, this indicates the client was able to complete the 3-way handshake (establish a socket), however, after sending the test payload, the client received a TCP RESET (TCP RST) messag
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Firebind Launches new Java-based TCP and UDP Client for Comprehensive Port

Firebind has launched its new Internet Path Testing client with full support for both UDP and TCP.
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Port Triggering

Port triggering is a common feature on consumer broadband routers, it is used only open ports when applications need them, but beware, these ports do not remain open permanently.
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Payload Receive Error

For TCP or UDP port testing, this indicates some unknown error in the payload receive process. This error is possible but uncommon, and would be considered an edge case.
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Handshake Connection Initiation Failure

For TCP port testing, this indicates there was a client problem initiating the 3-way handshake with the server in order to establish a TCP socket (the client was unable to send the SYN packet to start
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