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Open Relay?

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Open Relay?

I have no idea about home networking, but have just managed to network 2 computers at home with a USB connection. They now both have net access using my ADSL line. Both computers have firewalls, so i had to put both pc IP addresses in the safe lists.

My problem is, i have recently heard that some home networks are identifiable by hackers because they are 'open relays.' Whats an open relay, and is my setup described as one?

Many thanx,
John
9 REPLIES
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RE: Open Relay?

Open relays are mail routers which allow anyone to use them with no authentication.
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RE: Open Relay?

> Open relays are mail routers which allow anyone to use them with no authentication.
That's correct, and is a major cause of spam (unsolicited commercial email) through our network. You can find out more at www.mail-abuse.org.
Regards,
Mike
--
| Mike Grice.....................Unmetered & ADSL solutions
| Customer Support......................for Home & Business
| PlusNet Technologies Ltd..............http://www.plus.net
+ ----- My Referrals - It pays to recommend PlusNet -----
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RE: Open Relay?

so, is my setup an easy target, or have i set it up properly?

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RE: Open Relay?

> so, is my setup an easy target, or have i set it up properly?
Are you running a mail server?
Regards,
Mike
--
| Mike Grice.....................Unmetered & ADSL solutions
| Customer Support......................for Home & Business
| PlusNet Technologies Ltd..............http://www.plus.net
+ ----- My Referrals - It pays to recommend PlusNet -----
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RE: Open Relay?

Dont think so! i only use my PC to access the net. My 1st pc is connected to the net through a USB ADSL modem, and i have connected my 2nd pc to my 1st one using a USB network cable.

Am i vulnerable in any way? both PC's have softqware firewalls?
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RE: Open Relay?

As you are not running a mail server you should be ok!

Also, the fact you have firewalls set up on both PC's should ensure that you are not open access to external parties - providing the firewalls are correctly configured.

All the Best,
Mark.


--
| Mark Hague...................Unmetered & ADSL solutions
| Customer Support......................for Home & Business
| PlusNet Technologies Ltd..........@ http://www.plus.net
+ ----- My Referrals - It pays to recommend PlusNet ----+

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RE: Open Relay?

thanx!
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RE: Open Relay?

John,

I have two pc's connected via twisted cable and network cards. I have a ADSL usb modem, but I can't get the second pc to pick up the internet. Any tips on what you have done would be appreciated.

Alan


> thanx!

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RE: Open Relay?

> I have two pc's connected via twisted cable and network cards. I have a ADSL usb modem, but I can't get the second pc to pick up the internet. Any tips on what you have done would be appreciated.
Hi there,
You'd need to make sure that the ethernet cable between the two machines was a crossover cable, and that you set up Internet Connection Sharing on both machines (info on how to do this is in Windows Help).
Feel free to post in the ADSL forum if you need help in getting this going.
Regards,
Mike
--
| Mike Grice.....................Unmetered & ADSL solutions
| Customer Support......................for Home & Business
| PlusNet Technologies Ltd..............http://www.plus.net
+ ----- My Referrals - It pays to recommend PlusNet -----