SMTP error:1408A0C1 no shared cipher – ECC Support

SMTP error:1408A0C1 no shared cipher – ECC Support

Whilst updating the certificate for the postfix server recently, I encountered an issue where emails from some servers were not being delivered / received. Upon further investigation I found the error relating to this problem was “error:1408A0C1:SSL routines:SSL3_GET_CLIENT_HELLO:no shared cipher“. Armed with this error information I proceeded to look for a solution online but this process took an extended amount of time for me to find an answer. In hindsight this trivial task should have taken a couple of minutes…

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Base Converter

Base Converter

This tool allows you convert one base into another which for example it could be used to convert decimal numbers into binary. If any invalid characters / numbers are used then they will be ignored. The input limit is 128 characters / numbers.

How To: Use Telnet to send a GET and HEAD HTTP request

How To: Use Telnet to send a GET and HEAD HTTP request

This guide goes over how telnet can be used to send both GET and HEAD http requests. These commands can be useful when debugging a website for example finding out whether it supports caching or if the content is being encoded by gzip.

Base64 Encode / Decode

Base64 Encode / Decode

This tool can be used to encode as well as decode text in base64. For more information on base64 you can visit this page. There is a input limit of 1024 characters.

Hash Generator

Hash Generator

A simple and easy to use tool that allows you to hash text using a variety of different functions. For more information on hashes please visit this page. Keep in mind there is an input limit of 128 characters for this generator.

How to: Use telnet to send emails

How to: Use telnet to send emails

This is a simple guide going over how telnet can be used to send emails. This can be helpful for many different troubleshooting activities such as seeing if the server is setup correctly etc. Another benefit of doing this is that it helps in understanding the various process that are undertaken which normally would happen in the background.

User Information

User Information

This page displays various pieces of information about your connection. This project may be updated in the future in order to provide more information about your connection such as decoding the user agent to show what operating system that is being used in a more friendly format.

Character Generator

Character Generator

This is a basic character generation tool which can be used for a variety of purposes for things such as board games etc. Every time that the page is loaded a new character is randomly generated along with their own stats. This generator may be updated in the future in order to add new functionality such as creating a backstory or being able to specify a gender.

Host Setup Information

Host Setup Information

This page contains information about the hosting service that is provided and the DNS actions that need to be taken in order for it to work with the server. If you have any problems or questions please feel free to contact me.