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I would agree with Yan, EVERY PORT IS A MALICIOUS PORT. only open what you need to who you need. the router will deny the traffic by default if it is configured as a firewall.
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I would agree with Yan, EVERY PORT IS A MALICIOUS PORT. only open what you need to who you need. the router will deny the traffic by default if it is configured as a firewall.

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Thanks for the feedback, but do you have any standard access list which I can take reference to or any good url to check on all the ports?<br />
<br />

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Thanks for the feedback, but do you have any standard access list which I can take reference to or any good url to check on all the ports?



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Here is a very complete listing of port numbers, and the application they are associated with.<br />
<br />
<a href="http://www.iana.org/assignments/port-numbers" rel="ugc">http://www.iana.org/assignments/port-numbers</a>
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Here is a very complete listing of port numbers, and the application they are associated with.

http://www.iana.org/assignments/port-numbers [http://www.iana.org/assignments/port-numbers]

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becareful not to lock yourself out :)<br />
but as everyone already said deny all by default, permit by exception is the best rule of thumb.
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becareful not to lock yourself out :)
but as everyone already said deny all by default, permit by exception is the best rule of thumb.

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thanks guy for all the feedback given
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Please accept the solution :) give us our points! :)
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Please accept the solution :) give us our points! :)

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dear all,<br />
<br />
I'm consolidating a list of malicious port number for router, any experts out there can give advise or rather any url which I can check out?
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dear all,

I'm consolidating a list of malicious port number for router, any experts out there can give advise or rather any url which I can check out?

access list

Software firewalls, also known as host-based firewalls, provide a layer of software on one host that controls network traffic in and out of that single machine. Most operating systems now include firewall software, but many available software firewalls include central distribution, antivirus systems and disaster recovery.