Blog / Linux / Network / Programming / Windows
by İsmail Baydan · Published 20/03/2019 · Last modified 02/05/2019
Uniform Resource Locator a.k.a. URL is a resource naming or locating format used to specify or address the resource. URL is very popular with the web where web sites and web resources are addressed or identified with URL format. URL Syntax URL has a very strict syntax which is defined...
Blog / CCNA / CentOS / Debian / Fedora / Kali / Linux / Linux / Management / Mint / Network / RedHat / Routing / Security / Ubuntu
by İsmail Baydan · Published 29/01/2019 · Last modified 28/01/2019
Polipo was the best HTTP proxy when it emerged. Since then web behavior has a lot changed and HTTPS became popular. HTTPS prevents intermediates to read traffic and cache them. Polipo is not maintained currently but useful for different cases. Install For Ubuntu, Debian, Mint, Kali We can install polipo for Ubuntu,...
27001 / Application / Blog / CISSP / Linux / Security / Windows
by İsmail Baydan · Published 13/12/2018
Common Name or CN is generally used in SSL Certificates. CN is used to define the server name which will be used for secure SSL connection. Generally this SSL certificate used to secure connection between a HTTP/S server and client browser like Chrome, Explorer, Firefox. Common Name (CN) Common Name...
Blog / CentOS / Debian / Fedora / Go / Kali / Linux / Mint / Php / Programming / Python / RedHat / Ubuntu
by İsmail Baydan · Published 25/10/2018
Hypertext Transfer Protocol or HTTP 503 Service Unavaiable server error response code indicates that the server is not ready to handle the request. Also HTTPS protocol will use the same code for the same reason. In this tutorial we will examine the 503 error code causes, client and server side...
Http is popular protocol used to transfer web page data like HTML, Javascript, Image etc. HTTP is used between our browser like Chrome, Firefox, Edge, Internet Explorer and server like Apache, Nginx etc. HTTPS is secure version of HTTP and recently sites transition to the HTTPS. But what is a...
Nginx web server provides a lot of different configuration about the web service. Some of the configurations are used very often. server_nameis one of them which can be miss interpreted. Single Domain Name In the old days internet was so little. There was less site and domain names than today....
Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / RedHat / Ubuntu
by İsmail Baydan · Published 25/01/2018
Lftp is a powerful command line tool which supports FTP, HTTP, SFTP, FISH, TORRENT protocols for file and data transfer. As we can see it supports popular data and file transfer protocols. It uses GNU TLS or OpenSSL for SSL/TLS encryption. In this tutorial we will look installing and different...
Blog / CentOS / Debian / Fedora / Kali / Linux / Mint / Programming / RedHat / Ubuntu
by İsmail Baydan · Published 18/09/2017
curl is useful tool used to create HTTP, HTTPS, FTP, … and similar protocol request from command line. This provides us the ability to simulate web browser behavior or similar application logic without a GUI. In this tutorial we will look different use cases for curl POST and JSON. For more information...
Blog / CCNA / CentOS / Debian / Fedora / Kali / Linux / Linux / Linux / Mint / Network / Network / RedHat / Security / Ubuntu
by İsmail Baydan · Published 07/09/2017
Tcpdump is everyday tool used by system and network administrator. We generally look simple use cases like host, port and protocol filter for tcpdump . In this tutorial we will look how to filter host, port and protocol in tcpdump. But keep in mind that tcpdump will requires administrator or root...
Application / Blog / CentOS / Debian / Fedora / Kali / Linux / Linux / Mint / RedHat / Security / System / Ubuntu / Windows / Windows / Windows 10 / Windows 7 / Windows 8 / Windows Server / Windows Server 2008 / Windows Server 2012 / Windows Server 2016
by İsmail Baydan · Published 17/08/2017
OpenSSL provides read different type of certificate and encoding formats. OpenSSL supports certificate formats like RSA, X509, PCKS12 etc. We will look how to read these certificate formats with OpenSSL. Read RSA Private Key RSA is popular format use to create asymmetric key pairs those named public and private key....
