how can i open specific ports?

memyselfandi · 2024-06-27T17:49:15+00:00

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I'm a touch frustrated, so apologies if i sound abrupt.

Part of the primary functionality of a firewall is to enable allowing access to the local machine via specific ports, e.g. SNMP, WMI, etc. I cannot for the life of me figure out how to do this in Bitdefender Total Security. I also cannot get the settings right so the computer will respond to pings.

I have tried adding a firewall rule to allow all applications, any network, any protocol, both directions, and i still cannot ping my PC. This should not be difficult.

How, please?

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sam.kim168960

Open Bitdefender:
- Go to Protection > Firewall.
Add Rule:
- Go to Rules > Add rule.
- Name it and set Application to All applications.
- Set Network to Any, Protocol to Any, and Direction to Both.
- Specify Local ports (e.g., 161 for SNMP, 135 for WMI).
- Click OK to save.
Allow Ping:
- Go to Adapters tab.
- Select your network adapter.
- Set Stealth Mode to Off.
- Uncheck Block ICMP.

Save these settings and you should be able to access the ports and ping your PC.
i hope this helps

memyselfandi

thanks! I'll give it a shot.

i had already tried [2], setting the ports to 1-65535 expecting that to open everything [as a test]. but i expected that to enable ping replies as well.

I'll come back and choose the appropriate link as to if it fixed things once i test it. Again - thanks!

question: if the protocol is set to 'any', why is it necessary to also specify the ports?

sam.kim168960

i am glad to help you out….
Answer: When the protocol is set to "any" in Bitdefender, specifying ports is necessary to:

Target Specific Services: Limit the rule to traffic on specific ports (e.g., HTTP on port 80).
Enhance Security: Reduce the attack surface by only allowing traffic on specified ports.
Improve Rule Management: Make it easier to understand and manage firewall rules.

hope this helps………………..

optimxr

I'm trying to add a rule for three ports using Bitdefender Total Security but the Create Rule page asks for a program path and if I browse to C:\Program Data\Bitdefender I am unable to see a executable file to inter the path. Are these executable files hidden? Is there a better way to allow exceptions for local ports in Bitdefender?