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TESTING IF MY PC , IPADRES IS SAFE FROM YTHE OUTSIDE

Offcourse I use firewall, spamfilter and antivirus, but still I wonder if I am safe
Is there some way, or a program , whatever utillity ,  to start a test from an outside computer to my System  (by IPnr? Emailadres? ?)
to try is I am "open" or somewho people can get in, etc.
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BIAPRO
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BIAPRO
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Software_onbekendCommented:
You mean something like this ??

https://www.grc.com/x/ne.dll?bh0bkyd2
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BIAPROAuthor Commented:
Ok, this one I have seen before, but thats to use when on the "inside" right? I 'thinking about utils that for instance try by email adres,  dns , by using my web-site (running on local server)  etc.
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Software_onbekendCommented:
The site I gave is checking ports.

Web-sites nomaly use poort 80 for http traffic and 443 for https traffic
So if you have a webserver running, poort 80 and maybe port 443 are open.

Everything has his own ports...If you you use standard guidelines.
Web 80 and 443
Mail 25
For example

See http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers

So almost everything is related to ports and ipadressen when you use IPv4.

Checking of how your web site software handles with bad request or hacking is up to the software.
The only way is to keep safe as possible is to update your software with the latest upadates and security patches.
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