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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘HTTP’ Category

Redirect Detective – A Free Tool To Trace Where Redirects End Up

Posted by jpluimers on 2020/02/27

Cool tool, but be aware it does aJavaScript:xmlhttpPost from , so your data can be logged [WayBackRedirect Detective – A Free Tool To Trace Where Redirects End Up.

For http://www.xs4all.nl/~jp, it shows these redirects (where in bold I’ve listed the changes):

Oh and it runs this call: JavaScript:xmlhttpPost("/linkdetect.px")?word=www.xs4all.nl%2F%7Ejp from [WayBackredirectdetective.com/ajax.js.

Note that this shows more redirects than the plain http ones, so wget from [WayBack] wget – How do I display all URLs in a redirect chain? – Unix & Linux Stack Exchange shows this:

$ wget http://www.xs4all.nl/~jp 2>&1 | grep Location:
Location: https://www.xs4all.nl/~jp [following]
Location: https://jp.home.xs4all.nl/ [following]

–jeroen

Posted in *nix, *nix-tools, Communications Development, Development, HTTP, Internet protocol suite, Power User, TCP, wget | Leave a Comment »

Links to alternatives for Delphi REST clients

Posted by jpluimers on 2019/11/13

A few good links to a few alternatives for the built in Delphi REST client [WayBack] Hi looking for good and complete tutorial/course how to create RESTFul services with Delphi. Or if anyone use Delphi for creating RESTFul services feedb… – Gordan Paunovic – Google+

–jeroen

Posted in Communications Development, Delphi, Development, HTTP, Internet protocol suite, JSON, REST, Software Development, TCP | Leave a Comment »

draft-ietf-appsawg-http-forwarded-10 – Forwarded HTTP Extension (X-Forwarded-For, X-Forwarded-By, and X-Forwarded-Proto)

Posted by jpluimers on 2019/05/21

Since many HTTP stacks do not have fields for this so it’s hard to get the originating IP address:

It is about these HTTP header fields with and without X- prefix:

  • Forwarded
  • X-Forwarded-For
  • X-Forwarded-By
  • X-Forwarded-Proto

Note that widely used tools like HAProxy do not always fully adhere to the “standard”…

Via:

–jeroen

Posted in Communications Development, Development, HTTP, Internet protocol suite, Software Development, TCP | Leave a Comment »

IP over Avian Carriers

Posted by jpluimers on 2019/02/21

From the geek fun department: [WayBackIP over Avian Carriers – Wikipedia.

I learned through this slightly after the fight to keep HTTP status code 418 (I’m a teapot) which is part of RFC2324 released on April 1st, 1998.

The IP over Avian Carriers is part of three RFCs, all released on April 1st in various years:

–jeroen

via: Http-statuscode ‘I’m a teapot’ is voorlopig veilig – IT Pro – .Geeks – Tweakers

Posted in Communications Development, Development, Fun, Geeky, HTTP, Internet protocol suite, Software Development, TCP | Leave a Comment »

Tools for TCP tunnels over HTTP/HTTPS

Posted by jpluimers on 2019/01/16

With the advent of WebSockets, it looks like TCP tunnels over HTTP/HTTPS are gaining more ground and I need to put some research time in them.

Some old to new links:

CONNECT requests are not supported by many HTTP proxies, especially in larger organisations, so chisel and crowbar have a much bigger chance there.

And of course there is SoftEtherVPN/SoftEtherVPN: A Free Cross-platform Multi-protocol VPN Software. * For support, troubleshooting and feature requests we have http://www.vpnusers.com/. For critical vulnerability please email us. (mail address is on the header.).

However, that is a VPN solution which is much broader than just a single TCP tunnel. You can so similar things with OpenVPN, but over HTTP/HTTPS, also requires CONNECT:

SoftEtherVPN seems to be more versatile though. I blogged about that before, but back then didn’t have needs for it yet. VPN over HTTPS: Ultimate Powerful VPN Connectivity – SoftEther VPN Project.

–jeroen

via: [WayBackVPN through only http – Server Fault answer by [WayBack] neutrinus

Posted in Communications Development, Development, HTTP, https, Internet protocol suite, Network-and-equipment, OpenVPN, Power User, TCP, VPN, WebSockets, Windows-Http-Proxy | Leave a Comment »

 
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