https Archives

HTTP Status 503 Error Code and How To Fix It?

Hypertext Transfer Protocol or HTTP 503 Service Unavaiable server error response code indicates that the server is not ready to

Http is popular protocol used to transfer web page data like HTML, Javascript, Image etc. HTTP is used between our

Nginx web server provides a lot of different configuration about the web service. Some of the configurations are used very

Lftp is a powerful command line tool which supports FTP, HTTP, SFTP, FISH, TORRENT protocols for file and data transfer.

curl is useful tool used to create HTTP, HTTPS, FTP, … and similar protocol request from command line. This provides us

Tcpdump is everyday tool used by system and network administrator. We generally look simple use cases like host, port and

OpenSSL provides read different type of certificate and encoding formats. OpenSSL supports certificate formats like RSA, X509, PCKS12 etc. We

OpenSSL provides different features and tools for SSL/TLS related operations. s_lient is a tool used to connect, check, list HTTPS, TLS/SSL

Nmap tool provides popular ports list as a database where this list is also used in network and service scans.

In the old times where web was statically running there was browsers like Netscape, explorer . But the times changed,