payload and proxy & port http injector

There are many types of payload, Inject start time may not appear using payload. 
But because security is tight then we also need a payload.
Example:
- Host: bug.com
- X-Online-Host: bug.com
- X-Forward-Host: bug.com
- X-Forwarded-For: bug.com
- Connection: Keep-Alive or Close
- Proxy-Connection: Keep-Alive or Close
- Content-Type: * / *
- Content-Length: 0 or 1024 or another one
- And many more

Proxy and Port
The use of proxy and proxy port could use the original operator.
Proxies can also use public or Squid Proxy from VPS with port 80/8000/8080/3128 / etc mouthful can be invited to the free internet.