PSB blocking SMB connection in Finder

wm_mattiaswm_mattias Posts: 8 New Member
in Protection Service for Business (PSB)

I recently noticed that the PSB firewall blocks connections through SMB. How do I allow SMB connections in Finder? This happens in macOS 10.15.7 and 11.1. PSB version is 17.10.

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Answers

  • MonikaLMonikaL Posts: 117 Moderator

    Hi,

    You may enable the following Firewall Rules under Profiles in F-Secure PSB portal. Enter the required information (e.g. Local IP address, Remote IP address, port numbers) for each of the rules.


    Allow SMB over TCP inbound from file servers (Allow In)

    Allow SMB over UDP inbound from file servers (Allow In).

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  • wm_mattiaswm_mattias Posts: 8 New Member

    Hi @MonikaL,

    From what I can see, those kind of rules doesn't seem to be possible for Mac profiles.

    psb-mac-fw-rules.png

    And I just noticed that there was an update for the Mac client published yesterday that supposedly solves this problem. https://community.f-secure.com/en/discussion/114459/computer-protection-for-mac-change-log#Comment_125310

    Do you know if windows profile kind of firewall rules are in the workings in PSB for mac?

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