Via HTTP Header

Via

Added by proxies to track a request through proxies and to avoid loops.

Accepted Values

Multiple values are allowed, each seperated by a comma, and following the patterns below.

  • <version> <host>

  • <version> <host> :<port>

  • <protocol> <version> <host>

  • <protocol> <version> <host> :<port>

  • <protocol> <version> <name>

Where the value of these patterns is defined as:
host

Host name.

name

Alias for the proxy.

port=<integer>

Port value.

port=4
version

Protocol version.

Example

Via: 1.1 apple
Via: 1.0 apple, 1.2 pear
Via: HTTP/1.1 apple

Parse

Enter a Via header below to parse and return details about it.

Reference

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Via