How to make wireshark filter POST-requests only?
You can use the following filter: http.request.method == “POST”
http
Best way to redirect all HTTP to HTTPS in IIS
The IIS URL Rewrite Module 2.1 for IIS7+ may be your friend. The module can be downloaded from IIS URL Rewrite. Using the URL Rewrite Module and URL Rewrite Module 2.0 Configuration Reference explain how to use the module. Once the module is installed, you can create a host wide redirect using IIS Manager. Select … Read more
HTTP error when uploading an image
I’ve had the same problem and found it was due to the upload file size set for the server (in my case 2mb). There is another setting which escapes me at this point, but is basically a limit on the amount of space that can be used to process uploaded images…which WordPress does when it … Read more
Human readable format for http headers with tcpdump
Here’s a one-liner I came up with for displaying request and response HTTP headers using tcpdump (which should work for your case too): sudo tcpdump -A -s 10240 ‘tcp port 4080 and (((ip[2:2] – ((ip[0]&0xf)<<2)) – ((tcp[12]&0xf0)>>2)) != 0)’ | egrep –line-buffered “^……..(GET |HTTP\/|POST |HEAD )|^[A-Za-z0-9-]+: ” | sed -r ‘s/^……..(GET |HTTP\/|POST |HEAD )/\n\1/g’ It … Read more
How do high traffic sites service more than 65535 TCP connections?
You misunderstand port numbers: a server listens only on one port and can have large numbers of open sockets from clients connecting to that one port. On the TCP level the tuple (source ip, source port, destination ip, destination port) must be unique for each simultaneous connection. That means a single client cannot open more … Read more
What is this HTTP_REFERRER “WordPress/4.1.2”
That log entry indicates the someone form that IP is requesting a image file from your site. The referrer “WordPress/4.1.2” indicates that it is probably using WP HTTP API, so the image is not just inserted in HTML (using <img> or any other HTML element) but requested server-side. Why? It can not be known with … Read more
IIS 7.5 (Windows 7) – HTTP Error 401.3 – Unauthorized
IIS 7 also creates “IUSR” as default user to access files via IIS. So make user IUSR has read access to files/folders. How to check if IUSR has read Access? Right Click -> Folder -> Properties -> Security Tab See if IUSR is in Group or user names list, If No. Click Edit -> Add … Read more
For what is the “.well-known”-folder?
That /.well-known/ subdirectory is defined by RFC 5785 RFC 8615 It is increasingly common for Web-based protocols to require the discovery of policy or other information about a host (“site-wide metadata”) before making a request. For example, the Robots Exclusion Protocol http://www.robotstxt.org/ specifies a way for automated processes to obtain permission to access resources; likewise, … Read more
Need workaround for insecure XMLHttpRequest endpoint request
I think your only option is to build a small proxy, a PHP function on your own site to which you pass the URL you want to grab. That call, being to your own site (ajax call) will be using the same protocol as your site. The PHP code receives the ajax call, turns around … Read more
https to https problem – 404 and can’t login
The wordpress database is still holding some data (post content, image urls etc) in it’s database. You need to go into your database and change the url references to the non-ssl as well. I suggest NOT doing this through phpmyadmin though as it will cause some problems. Go get this tool: https://interconnectit.com/products/search-and-replace-for-wordpress-databases/ Upload the contents … Read more