Author: Surendra Anne

The below questions are not my own, you can reach the author at -Ian! D. Allen - idallen@idallen.ca - http://www.idallen.com/A common misconception: the place/protocol you use to fetch your emailis the same place/protocol that you use to send your email: - sending email uses SMTP - reading email uses POP3 or IMAP - they can be completely separate machines http://wiki.mutt.org/?MailConceptQ: T/F, unlike POP3, SMTP can be used to both send and receive email.Q: T/F, unlike SMTP, POP3 can be used to both receive and send email. - may be completely different servers - though note POP-before-SMTP (SMTP-after-POP) requires coupling: http://tools.ietf.org/html/rfc2476 (section 3.3) "Requiring a POP [POP3] authentication (from the same IP address) within some amount of time (for example, 20 minutes) prior to the start of a message submission session has also been used, but this does impose restrictions on clients as well as servers which may cause difficulties. Specifically, the client must do a POP authentication before an SMTP submission session, and not all clients are capable and configured for this. Also, the MSA must coordinate with the POP server, which may be difficult. There is also a window during which an unauthorized user can submit messages and appear to be a prior authorized user."Q: Describe briefly how POP-before-SMTP works to authenticate an SMTP session.MUA - Mail User Agent (email client) - the user's interface to the protocols...

1)How to compile Apache? 2)Users come to you and they will be saying mail server is very slow, what are the necessary steps you will take to resolve this issue? 3)Which are the configuration files associate with DNS server and client? 4)Where you will provide ISP details for your network? 5)How you will configure Squid proxy? 6)How you will block pron sites using Squid proxy? 7)Give me details how to configure mail support for NAGIOS? 8)Can you use NAGIOS to send SMS? how to do that? 9)What is web-min?A) Webmin is a web-based system configuration tool for OpenSolaris, Linux and other Unix-like systems. 10)How you will do kernel compilation? Explain each step? 11)What is the difference between SGID, SUID and sticky bit? 12)How to restrict users to set password with complexity ? 13)How do you monitor system performance? 14)Which are the configuration files of FTP server? 15)What are the different types of FTP servers? 16)What is the difference between active FTP and passive FTP? 17)How you will configure FTP in DMZ? 18)What is the use of htaccess file? 19)how do you configure website authentication for user logins? 20)Give me the steps to configure sendmail. 21)How to block particular network not to access my sendmail server? 22)How to send duplex/half duplex etc to the network card? 23)Can a web server have multiple ip add? if yes why? if no why?...