The Nokia E71 & E63 is a versatile phone for people that needs the business suite of application, e.g. email, messenger, documents & spreadsheet, camera and most importantly, the symbian platform. The symbian platform is widely used on mobile phones. Symbian’s platform also have a wide variety of applications.
For *NIX system administration, shell access to [...]
In Firefox, when clicking on a URL link with “telnet://“, firefox browser would pop up an error message “Firefox doesn’t know how to open this address, because the protocol (telnet) isn’t associated with any program.“. It is due to the browser have not register a helper application to run the URL link with “telnet://“. [...]
telnet is a Swiss army knife for troubleshooting layer 7 application problem, especially useful on smtp & pop3 protocol.
Scenario 1 :
to test is our domain is being block by recipient domain, using telnet on our email server to send email on recipient email server.
Scenario 2 :
a quick test on error occurs sending email, using email [...]
telnet has a lot of weakness compare to ssh. Most notably would be it transmits in plain text across the network, which everyone can look at it as long as one can tap into the line. Still, it is very much useful in trouble shooting application layer problems, e.g. http, smtp, pop, ftp, irc & [...]
