┌──(relun㉿relunsec)-[~/Test]
└─$ curl https://127.0.0.0.1.1 <https://127.0.0.0.1.1>
curl: (6) Could not resolve host: 127.0.0.0.1.1
┌──(relun㉿relunsec)-[~/Test]
└─$
example provide a user friendly error message check first ip and next do dns
resolution ┌──(relun㉿relunsec)-[~/Test]
└─$ curl https://127.0.0.0.1.1 <https://127.0.0.0.1.1>
curl: (6) Failed to parse the ip 127.0.0.0.1.1 excepted. must have 4 octets
(e.g, 127.0.0.1).
┌──(relun㉿relunsec)-[~/Test]
└─$ also example
┌──(relun㉿relunsec)-[~/Test]
└─$ curl -6 http://127.0.0.1 <http://127.0.0.1>
curl: (7) Could not connect to server
┌──(relun㉿relunsec)-[~/Test]
└─$ improve it to ┌──(relun㉿relunsec)-[~/Test]
└─$ curl -6 http://127.0.0.1 <http://127.0.0.1>
curl: (7) This not valid IPv6. It seems ipv4 tries to remove -6.
┌──(relun㉿relunsec)-[~/Test]
└─$
here parse the IP is ipv4 and provide different error message examples like
"curl: (7) This not valid IPv6. It seems ipv4 tries to remove -6." if not valid
ipv6 or ipv4 fail to "curl: (7) Could not connect to server"
example also ┌──(relun㉿relunsec)-[~/Test]
└─$ curl https://httpbin.org <https://httpbin.org> --tls-max 1
curl: option --tls-max: is badly used here
curl: try 'curl --help' or 'curl --manual' for more information
┌──(relun㉿relunsec)-[~/Test]
└─$
improve it to ┌──(relun㉿relunsec)-[~/Test]
└─$ curl https://httpbin.org <https://httpbin.org> --tls-max 1
curl: option --tls-max: Invalid TLS Version choose from 1.0,1.1,1.2,1.3
curl: try 'curl --help' or 'curl --manual' for more information
┌──(relun㉿relunsec)-[~/Test]
└─$ here suggest valid TLS Version
and also same for └─$ curl https://httpbin.org <https://httpbin.org> --ftp-ssl-
ccc-mode activea
Warning: unrecognized ftp CCC method 'activea', using default
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>httpbin.org <http://httpbin.org></title>
<link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700|
Source+Code+Pro:300,600|Titillium+Web:400,600,700 <https://fonts.googleapis.com/
css?family=Open+Sans:400,700|Source+Code+Pro:300,600|Titillium+Web:400,600,700>"
rel="stylesheet">
<link rel="stylesheet" type="text/css"
href="/flasgger_static/swagger-ui.css">
<link rel="icon" type="image/png" href="/static/favicon.ico" sizes="64x64
32x32 16x16" />
<style>
html {
box-sizing: border-box;
overflow: -moz-scrollbars-vertical;
overflow-y: scroll;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
body {
margin: 0;
background: #fafafa;
}
</style>
</head>
<body>
<a href="https://github.com/requests/httpbin <https://github.com/requests/
httpbin>" class="github-corner" aria-label="View source on Github">
<svg width="80" height="80" viewBox="0 0 250 250" style="fill:#151513;
color:#fff; position: absolute; top: 0; border: 0; right: 0;"
aria-hidden="true">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
<path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7
120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3
125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
fill="currentColor" style="transform-origin: 130px 106px;"
class="octo-arm"></path>
<path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4
L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0
C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1
176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2
200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6
C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1
C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9
141.8,141.8 Z"
fill="currentColor" class="octo-body"></path>
</svg>
</a>
<svg xmlns="http://www.w3.org/2000/svg <http://www.w3.org/2000/svg>"
xmlns:xlink="http://www.w3.org/1999/xlink <http://www.w3.org/1999/xlink>"
style="position:absolute;width:0;height:0">
<defs>
<symbol viewBox="0 0 20 20" id="unlocked">
<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703
6 5.6V6h2v-.801C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8H4c-.553 0-1 .646-1
1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672 18.861 6.55 19 7.1
19h5.8c.549 0 1.428-.139
1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8
8z"></path>
</symbol>
<symbol viewBox="0 0 20 20" id="locked">
<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703
6 5.6V8H4c-.553 0-1 .646-1 1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672
18.861 6.55 19 7.1 19h5.8c.549 0 1.428-.139
1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8
8zM12 8H8V5.199C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8z"
/>
</symbol>
<symbol viewBox="0 0 20 20" id="close">
<path d="M14.348 14.849c-.469.469-1.229.469-1.697 0L10
11.819l-2.651 3.029c-.469.469-1.229.469-1.697 0-.469-.469-.469-1.229
0-1.697l2.758-3.15-2.759-3.152c-.469-.469-.469-1.228 0-1.697.469-.469 1.228-.469
1.697 0L10 8.183l2.651-3.031c.469-.469 1.228-.469 1.697 0 .469.469.469 1.229 0
1.697l-2.758 3.152 2.758 3.15c.469.469.469 1.229 0 1.698z"
/>
</symbol>
<symbol viewBox="0 0 20 20" id="large-arrow">
<path d="M13.25 10L6.109 2.58c-.268-.27-.268-.707
0-.979.268-.27.701-.27.969 0l7.83 7.908c.268.271.268.709 0 .979l-7.83
7.908c-.268.271-.701.27-.969 0-.268-.269-.268-.707 0-.979L13.25 10z"
/>
</symbol>
<symbol viewBox="0 0 20 20" id="large-arrow-down">
<path d="M17.418 6.109c.272-.268.709-.268.979 0s.271.701
0 .969l-7.908 7.83c-.27.268-.707.268-.979 0l-7.908-7.83c-.27-.268-.27-.701
0-.969.271-.268.709-.268.979 0L10 13.25l7.418-7.141z"
/>
</symbol>
<symbol viewBox="0 0 24 24" id="jump-to">
<path d="M19 7v4H5.83l3.58-3.59L8 6l-6 6 6 6 1.41-1.41L5.83
13H21V7z" />
</symbol>
<symbol viewBox="0 0 24 24" id="expand">
<path d="M10 18h4v-2h-4v2zM3 6v2h18V6H3zm3 7h12v-2H6v2z" />
</symbol>
</defs>
</svg>
<div id="swagger-ui">
<div data-reactroot="" class="swagger-ui">
<div>
<div class="information-container wrapper">
<section class="block col-12">
<div class="info">
<hgroup class="main">
<h2 class="title">httpbin.org
<http://httpbin.org>
<small>
<pre class="version">0.9.2</pre>
</small>
</h2>
<pre class="base-url">[ Base URL: httpbin.org/
<http://httpbin.org/> ]</pre>
</hgroup>
<div class="description">
<div class="markdown">
<p>A simple HTTP Request & Response
Service.
<br>
<br>
<b>Run locally: </b>
<code>$ docker run -p 80:80
kennethreitz/httpbin</code>
</p>
</div>
</div>
<div>
<div>
<a href="https://kennethreitz.org <https://
kennethreitz.org>" target="_blank">the developer - Website</a>
</div>
<a href="mailto:m...@kennethreitz.org
<mailto:m...@kennethreitz.org>">Send email to the developer</a>
</div>
</div>
<!-- ADDS THE LOADER SPINNER -->
<div class="loading-container">
<div class="loading"></div>
</div>
</section>
</div>
</div>
</div>
</div>
<div class='swagger-ui'>
<div class="wrapper">
<section class="clear">
<span style="float: right;">
[Powered by
<a target="_blank" href="https://github.com/rochacbruno/
flasgger <https://github.com/rochacbruno/flasgger>">Flasgger</a>]
<br>
</span>
</section>
</div>
</div>
<script src="/flasgger_static/swagger-ui-bundle.js"> </script>
<script src="/flasgger_static/swagger-ui-standalone-preset.js"> </script>
<script src='/flasgger_static/lib/jquery.min.js' type='text/javascript'></
script>
<script>
window.onload = function () {
fetch("/spec.json")
.then(function (response) {
response.json()
.then(function (json) {
var current_protocol =
window.location.protocol.slice(0, -1);
if (json.schemes[0] != current_protocol) {
// Switches scheme to the current in use
var other_protocol = json.schemes[0];
json.schemes[0] = current_protocol;
json.schemes[1] = other_protocol;
}
json.host = window.location.host; // sets the
current host
const ui = SwaggerUIBundle({
spec: json,
validatorUrl: null,
dom_id: '#swagger-ui',
deepLinking: true,
jsonEditor: true,
docExpansion: "none",
apisSorter: "alpha",
//operationsSorter: "alpha",
presets: [
SwaggerUIBundle.presets.apis,
// yay ES6 modules ↘
Array.isArray(SwaggerUIStandalonePreset) ?
SwaggerUIStandalonePreset : SwaggerUIStandalonePreset.default
],
plugins: [
SwaggerUIBundle.plugins.DownloadUrl
],
// layout: "StandaloneLayout" // uncomment to enable the green top
header
})
window.ui = ui
// uncomment to rename the top brand if layout is enabled
// $(".topbar-wrapper .link span").replaceWith("<span>httpbin</span>");
})
})
}
</script> <div class='swagger-ui'>
<div class="wrapper">
<section class="block col-12 block-desktop col-12-desktop">
<div>
<h2>Other Utilities</h2>
<ul>
<li>
<a href="/forms/post">HTML form</a> that posts to /
post /forms/post</li>
</ul>
<br />
<br />
</div>
</section>
</div>
</div>
</body>
</html>
┌──(relun㉿relunsec)-[~/Test]
└─$
improve it to └─$ curl https://httpbin.org <https://httpbin.org> --ftp-ssl-ccc-
mode activea
Warning: unrecognized ftp CCC method 'activea' choose from 'active' and
'passive', using default
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>httpbin.org <http://httpbin.org></title>
<link href="https://fonts.googleapis.com/css?family=Open+Sans:400,700|
Source+Code+Pro:300,600|Titillium+Web:400,600,700 <https://fonts.googleapis.com/
css?family=Open+Sans:400,700|Source+Code+Pro:300,600|Titillium+Web:400,600,700>"
rel="stylesheet">
<link rel="stylesheet" type="text/css"
href="/flasgger_static/swagger-ui.css">
<link rel="icon" type="image/png" href="/static/favicon.ico" sizes="64x64
32x32 16x16" />
<style>
html {
box-sizing: border-box;
overflow: -moz-scrollbars-vertical;
overflow-y: scroll;
}
*,
*:before,
*:after {
box-sizing: inherit;
}
body {
margin: 0;
background: #fafafa;
}
</style>
</head>
<body>
<a href="https://github.com/requests/httpbin <https://github.com/requests/
httpbin>" class="github-corner" aria-label="View source on Github">
<svg width="80" height="80" viewBox="0 0 250 250" style="fill:#151513;
color:#fff; position: absolute; top: 0; border: 0; right: 0;"
aria-hidden="true">
<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
<path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7
120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3
125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
fill="currentColor" style="transform-origin: 130px 106px;"
class="octo-arm"></path>
<path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4
L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0
C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1
176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2
200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6
C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1
C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9
141.8,141.8 Z"
fill="currentColor" class="octo-body"></path>
</svg>
</a>
<svg xmlns="http://www.w3.org/2000/svg <http://www.w3.org/2000/svg>"
xmlns:xlink="http://www.w3.org/1999/xlink <http://www.w3.org/1999/xlink>"
style="position:absolute;width:0;height:0">
<defs>
<symbol viewBox="0 0 20 20" id="unlocked">
<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703
6 5.6V6h2v-.801C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8H4c-.553 0-1 .646-1
1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672 18.861 6.55 19 7.1
19h5.8c.549 0 1.428-.139
1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8
8z"></path>
</symbol>
<symbol viewBox="0 0 20 20" id="locked">
<path d="M15.8 8H14V5.6C14 2.703 12.665 1 10 1 7.334 1 6 2.703
6 5.6V8H4c-.553 0-1 .646-1 1.199V17c0 .549.428 1.139.951 1.307l1.197.387C5.672
18.861 6.55 19 7.1 19h5.8c.549 0 1.428-.139
1.951-.307l1.196-.387c.524-.167.953-.757.953-1.306V9.199C17 8.646 16.352 8 15.8
8zM12 8H8V5.199C8 3.754 8.797 3 10 3c1.203 0 2 .754 2 2.199V8z"
/>
</symbol>
<symbol viewBox="0 0 20 20" id="close">
<path d="M14.348 14.849c-.469.469-1.229.469-1.697 0L10
11.819l-2.651 3.029c-.469.469-1.229.469-1.697 0-.469-.469-.469-1.229
0-1.697l2.758-3.15-2.759-3.152c-.469-.469-.469-1.228 0-1.697.469-.469 1.228-.469
1.697 0L10 8.183l2.651-3.031c.469-.469 1.228-.469 1.697 0 .469.469.469 1.229 0
1.697l-2.758 3.152 2.758 3.15c.469.469.469 1.229 0 1.698z"
/>
</symbol>
<symbol viewBox="0 0 20 20" id="large-arrow">
<path d="M13.25 10L6.109 2.58c-.268-.27-.268-.707
0-.979.268-.27.701-.27.969 0l7.83 7.908c.268.271.268.709 0 .979l-7.83
7.908c-.268.271-.701.27-.969 0-.268-.269-.268-.707 0-.979L13.25 10z"
/>
</symbol>
<symbol viewBox="0 0 20 20" id="large-arrow-down">
<path d="M17.418 6.109c.272-.268.709-.268.979 0s.271.701
0 .969l-7.908 7.83c-.27.268-.707.268-.979 0l-7.908-7.83c-.27-.268-.27-.701
0-.969.271-.268.709-.268.979 0L10 13.25l7.418-7.141z"
/>
</symbol>
<symbol viewBox="0 0 24 24" id="jump-to">
<path d="M19 7v4H5.83l3.58-3.59L8 6l-6 6 6 6 1.41-1.41L5.83
13H21V7z" />
</symbol>
<symbol viewBox="0 0 24 24" id="expand">
<path d="M10 18h4v-2h-4v2zM3 6v2h18V6H3zm3 7h12v-2H6v2z" />
</symbol>
</defs>
</svg>
<div id="swagger-ui">
<div data-reactroot="" class="swagger-ui">
<div>
<div class="information-container wrapper">
<section class="block col-12">
<div class="info">
<hgroup class="main">
<h2 class="title">httpbin.org
<http://httpbin.org>
<small>
<pre class="version">0.9.2</pre>
</small>
</h2>
<pre class="base-url">[ Base URL: httpbin.org/
<http://httpbin.org/> ]</pre>
</hgroup>
<div class="description">
<div class="markdown">
<p>A simple HTTP Request & Response
Service.
<br>
<br>
<b>Run locally: </b>
<code>$ docker run -p 80:80
kennethreitz/httpbin</code>
</p>
</div>
</div>
<div>
<div>
<a href="https://kennethreitz.org <https://
kennethreitz.org>" target="_blank">the developer - Website</a>
</div>
<a href="mailto:m...@kennethreitz.org
<mailto:m...@kennethreitz.org>">Send email to the developer</a>
</div>
</div>
<!-- ADDS THE LOADER SPINNER -->
<div class="loading-container">
<div class="loading"></div>
</div>
</section>
</div>
</div>
</div>
</div>
<div class='swagger-ui'>
<div class="wrapper">
<section class="clear">
<span style="float: right;">
[Powered by
<a target="_blank" href="https://github.com/rochacbruno/
flasgger <https://github.com/rochacbruno/flasgger>">Flasgger</a>]
<br>
</span>
</section>
</div>
</div>
<script src="/flasgger_static/swagger-ui-bundle.js"> </script>
<script src="/flasgger_static/swagger-ui-standalone-preset.js"> </script>
<script src='/flasgger_static/lib/jquery.min.js' type='text/javascript'></
script>
<script>
window.onload = function () {
fetch("/spec.json")
.then(function (response) {
response.json()
.then(function (json) {
var current_protocol =
window.location.protocol.slice(0, -1);
if (json.schemes[0] != current_protocol) {
// Switches scheme to the current in use
var other_protocol = json.schemes[0];
json.schemes[0] = current_protocol;
json.schemes[1] = other_protocol;
}
json.host = window.location.host; // sets the
current host
const ui = SwaggerUIBundle({
spec: json,
validatorUrl: null,
dom_id: '#swagger-ui',
deepLinking: true,
jsonEditor: true,
docExpansion: "none",
apisSorter: "alpha",
//operationsSorter: "alpha",
presets: [
SwaggerUIBundle.presets.apis,
// yay ES6 modules ↘
Array.isArray(SwaggerUIStandalonePreset) ?
SwaggerUIStandalonePreset : SwaggerUIStandalonePreset.default
],
plugins: [
SwaggerUIBundle.plugins.DownloadUrl
],
// layout: "StandaloneLayout" // uncomment to enable the green top
header
})
window.ui = ui
// uncomment to rename the top brand if layout is enabled
// $(".topbar-wrapper .link span").replaceWith("<span>httpbin</span>");
})
})
}
</script> <div class='swagger-ui'>
<div class="wrapper">
<section class="block col-12 block-desktop col-12-desktop">
<div>
<h2>Other Utilities</h2>
<ul>
<li>
<a href="/forms/post">HTML form</a> that posts to /
post /forms/post</li>
</ul>
<br />
<br />
</div>
</section>
</div>
</div>
</body>
</html>
┌──(relun㉿relunsec)-[~/Test]
└─$
and also you can improve other error messages you can adjust if you would.
Dear
RelunSec