Check your Firewall is protecting your online identity

Have you ever wondered whether your firewall is actually working properly. Well there is only one way to find out, and that is to test it. Remember you shouldn’t find any open ports. If you do, then you should lock the ports down. Some firewalls will block port scanning. If your firewall does, then you will need to disable it and then re-enable it when the scanning is complete.  Here are some of the firewall testing services I suggest you use (you could use all three):

HackerWatch (McAfee) (link will open in a new window)
Comment: Easy to use but doesn’t provide browser header and message spam scanning
Note: Some Internet Security products list the links on this site as malicious. You can feel safe in the knowledge the links are actually safe.

ShieldsUp! (link will open in a new window)
Comment: Comprehensive but not the easiest to use for the novice – RECOMMENDED by me if you want to fully test your firewall.

Audit My PC
Comment: Simple to use and comprehensive. Best all of it sends you a scan report by email.

None of these services use JavaScript, so if you use for example NoScript (Firefox) the tests will all work as described.

Safe surfing folks!

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7 Responses to Check your Firewall is protecting your online identity

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  3. Brad Durham says:

    Hi Julian. I can across your site whilst looking into an issue I have. Recently upgraded to BT Infinity, they supply modem and router. Ive noticed when scanning my macnine for issues that BT leave port 161 open on their router. This concerns me as if its common knowledge then its an open door for a hacker. Should I be concerned and is there anything I can do. I have tried closing it but so far have failed. Best regards Brad ps –

    • Julian says:

      #Brad Durham# I also use BT Infinity and have investigated the open 161 & 4567 SNMP ports on the Home Hub 3. The 161 port is used by BT for remote diagnosis/management and router updates which BT have confirmed doesn’t pose a security risk – I LOL on that statement! given hackers target the SNMP protocol. In answer to your question – you cannot close these ports. 🙁 I suggest if you have a USB connected storage device you encrypt the data (volume) and use a good firewall on your other systems and scan your inbound and outbound traffic from time to time.

  4. Brad Durham says:

    thank you for your reply. I agree with you, the statement from BT regarding the security risk is laughable. Would changing my router help or is the port setting configured into the BT router? Sorry to ask such a basic question. Appreciate your help. Best regards Brad

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