How to block a port

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atish

Newbie
Posts: 5
Karma: 0

How to block a port

« on: June 01, 2021, 04:28:33 pm »

Still learning and new

I did a grc shields up scan and two ports which are not stealth, 135 and 445.

I tried to create a rule in firewall to block the port on the WAN, however the port option is greyed out and will not let me enter the port.

What am i doing incorrectly.

Please guide.
thanks

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gdur

Full Member
Posts: 124
Karma: 2

Re: How to block a port

« Reply #1 on: June 02, 2021, 11:24:44 am »

The setting for "Protocol" defaults to ANY. If you select TCP/UDP here you can input the port number.

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fabian

Hero Member
Posts: 2769
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OPNsense Contributor (Language, VPN, Proxy, etc.)

Re: How to block a port

« Reply #2 on: June 02, 2021, 09:00:05 pm »

And on WAN it should be blocked anyway if you do not allow it explicitly (as in any other network)

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annoniempjuh

Jr. Member
Posts: 56
Karma: 1

Re: How to block a port

« Reply #3 on: June 03, 2021, 06:44:12 pm »

by default every port is not allowed to get in, unless you did create a rule for...
maybe your ISP is blocking those ports?

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