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httpnetcat

How to do HTTP GET with netcat?


I am trying to use netcat to submit an HTTP GET request. But it gives me the 505 error.

Does anybody know what is wrong with my use of netcat?
Thanks.


$ cat main.sh 
#!/usr/bin/env bash

netcat -v httpbin.org 80 <<EOF
GET /get HTTP/1.1

EOF

$ ./main.sh
httpbin.org [23.23.171.5] 80 (http) open
HTTP/1.1 505 HTTP Version Not Supported
Connection: close
Server: Cowboy
Date: Fri, 09 Feb 2018 00:26:37 GMT
Content-Length: 0

Solution

  • You must use CRLF line endings, and you must include a Host header.

    ~$ printf 'GET /get HTTP/1.1\r\nHost:httpbin.org\r\n\r\n' | nc -v httpbin.org 80 
    HTTP/1.1 200 OK
    […]