Mike is your e-mail working?

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CentralOzzy
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Real Name: AL
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Mike is your e-mail working?

#1 Unread post by CentralOzzy »

but it bounced!

Do you have another e-mail address?
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pinger05
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Posts: 362
Joined: Fri Nov 12, 2004 1:28 am
Real Name: Dan
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My Motorcycle: 2005 Yamaha V-Star 650
Location: Colorado Springs

#2 Unread post by pinger05 »

YOu are going to see things like that happening over the next few weeks. :frusty: :frusty: :frusty:


Some idiot figured out how to poision DNS caches worldwide and has been reaking havoc on some ISP's. Check out:
http://isc.sans.org

DNS is the glue that holds the internet and e-mail together. When you type in www.totalmotorcycle.com your computer asks a DNS server to provide the IP address of that server (66.199.248.2). With the IP address Internet Exploder (or whatever you choose to use to browse the internet) asks that IP address to send it data over port 80.

<An easy way to think of it is this way. The IP address is the same as the street address, the port is the name of the person at that address.>


So your request (a letter to address 66.199.248.2) asks for the website (port 80) to be sent back to your computer.


Without DNS you would never recieve the street address for totalmotorcycle. It would be the same as sending a letter to someone but only puting their name on the letter, no address.

DNS also provides MX records. Think of the MX (Mail eXchanger) address as the location of the mailbox in relation to the address you are sending the letter to similar to a Post Office box. Totalmotorcycle is a bad example since the location of the mailbox is the same ast the street address of 66.199.248.2. If you look at www.mt.gov (montana state website) the location of the mailbox is 161.7.38.10 while their street address (website) is 161.7.8.137.
:spam:
So if you want the www.mt.gov website you are sent over port 80 to 161.7.8.137. If you want to send an email to john.doe@state.mt.us you will be sent to 161.7.38.10 over port 25. All thanks to the wonderful, often underestimated DNS server.

Either way - Without DNS you go nowhere fast. :frusty:

P.S. if you have made it this far, and you understand what I wrote you are now qualified to start learning Internet Security. Contact me for more lessons on Transmission Control Protocol, Internet Protocol (TCP/IP):frusty:
2005 Yamaha V-Star 650 Classic
Ural Patrol <Wish list>
All it takes for evil to triumph is good me to do nothing

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CentralOzzy
Site Supporter - Diamond
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Posts: 2155
Joined: Wed Dec 17, 2003 11:11 pm
Real Name: AL
Sex: Male
Years Riding: 42
My Motorcycle: Yamaha XJR-1300/Harley-Davidson Roadking
Location: Sunny Alice Springs Northern Territory, Australia

#3 Unread post by CentralOzzy »

Thanks for all that Info pinger05!

& MASHBY that one failed as well.... :(
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MASHBY
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Location: Ontario, Canada

#4 Unread post by MASHBY »

Sorry OZ.
Four Wheels Good Two Wheels Better

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totalmotorcycle
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Joined: Sat Nov 22, 2003 1:00 pm
Real Name: Mike
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My Motorcycle: 2013 Moto Guzzi V7 Stone
Location: Winnipeg, Manitoba

#5 Unread post by totalmotorcycle »

I still get lots of emails a day from the site... Try the Contact Us Page: http://www.totalmotorcycle.com/contactus.htm

Mike.
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