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just picked up something from literature:
Your windows networking uses a protocol called Server Message Block (or something like this) - SMB for short.
It uses a variety of ports including 135-139 and 445.
It is possible to open a connection from the "green side" of your LAN via the Internet (= ADSL, Dial-up, MyWireless etc) with this protocol.
There are ways and means to achive this without your knowledge.(virus and addware and spyware)
I explicitly blocked the creation of connections to the outside on these ports and set my firewall to email me should such an attempt be made.
One machine on my network was connecting like this to the outside world.
Lesson: Close all ports to the outside, and open only those you need!
If that is not possible, close the ones I mentioned above.
South Africa needs World Class Broadband at World Competitive Prices.
just picked up something from literature:
Your windows networking uses a protocol called Server Message Block (or something like this) - SMB for short.
It uses a variety of ports including 135-139 and 445.
It is possible to open a connection from the "green side" of your LAN via the Internet (= ADSL, Dial-up, MyWireless etc) with this protocol.
There are ways and means to achive this without your knowledge.(virus and addware and spyware)
I explicitly blocked the creation of connections to the outside on these ports and set my firewall to email me should such an attempt be made.
One machine on my network was connecting like this to the outside world.
Lesson: Close all ports to the outside, and open only those you need!
If that is not possible, close the ones I mentioned above.
South Africa needs World Class Broadband at World Competitive Prices.