Ping
Use the Ping packet to establish a connection and negotiate security with the server.
BITS_POST remote-URL HTTP/1.1
BITS-Packet-Type: Ping
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BITS_POST
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BITS-specific verb that identifies this packet to the BITS server.
Replace remote-URL with the absolute or relative URI. Typically, replace remote-URL with the remote file name of the job.
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BITS-Packet-Type
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Identifies this request packet as a Ping packet.
The Ping packet is optional. Instead of sending a Ping packet, you can use the Create-Session packet to establish a connection and negotiate security. However, it is more efficient to use the Ping packet for this purpose.