can ISPs act as a security perimeter to avoid attacks and viruses to its end users customers PC??

johnsar
johnsar used Ask the Experts™
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i want to know if an ISP can block viruses, worms and other attacks from occuring to the end users PC.

is it possible? if no, why not?


since we are connected to the isp, we can be protected by them.

am i wrong??
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Commented:
No you are not wrong.  Technically, it can be done.

But why would the ISP do it?

It takes resources to do these things, and resources == time + money.

There are online providers who offer these services.

Ss
Dave BaldwinFixer of Problems
Most Valuable Expert 2014
Commented:
ISPs usually do filter email that goes thru their email servers.  You'd be surprised at how much spam you Don't get.  As for anything else, they would have to know what you wanted to be protected from.

Commented:
Some isp providers do block some ports known to be used by viruses. Its the spam protection that davebaldwin said plus the major reason of resources that sshah254 mentioned.

The other major issue that stop isps from protecting you is that there is no universal way to give certain protection. For example they might find something to be a virus but is not. They will mistakenly block it,  thus making the life of the user difficult and complicated.

There is a rule that the internet is the 'wild thing' and you should be responsible for securing your own network by implementing security measures, such as firewalls, antiviruses, security policies and so on...
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Author

Commented:
recently, someone said he emailed me on from his gmail account to my hotmail account, but i havent got his emails.

is it possible that his email got blocked somehow by hotmail server or something and i didnt receive it?

is it possible not to receive email?

im on hotmail.

Commented:
Gmail has a policy for attachements and they dont let you attach some types of file extensions such as .exe.

If your friend tried to attach an exe to the mail then probably it was blocked by the gmail server. Another thing is that your hotmail account has some sort of spam filtering. If the mail had something to mark it as spam then it was rejected, or moved to your junk mail folder.

Author

Commented:
i did check the junk folder but nothing was there.

it was just a document that he said, he got my email though.

what could be the problem?  

or that he is lying????

Commented:
I don't know if he's lying or not but we talking about two services that are known to work well (gmail, hotmail) If he had an error sending you the mail then he definitely received a mail from gmail mailer daemon explaining the reason that his mail was rejected or blocked...

wk

Commented:
Some ISPs provide such service, usually know as clean pipe.
Dave BaldwinFixer of Problems
Most Valuable Expert 2014

Commented:
Hotmail and Gmail and Yahoo are known to be more interested in blocking spam than delivering email.  And they usually do not tell you if they blocked your email because they thought it was bad.  It just goes away...

Author

Commented:
so its possible that his email got blocked without any trace?

Author

Commented:
what could be the possibilities?
Dave BaldwinFixer of Problems
Most Valuable Expert 2014

Commented:
You could ask him to send it again or you could send him an email to see if it goes thru.
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Top Expert 2006

Commented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.

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