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How to scan only certain folders

Apologies for what may be a dumb question, but I've searched through he FAQs and this forum and can't find the answer.

My question: it's obvious how to exclude certain folders from on-access scanning, but how do I flip that on its head and INCLUDE only certain folders and NOT scan the rest?

Specifically, I would like to run on-access scanning ONLY on my Apple Mail directory (~/Library/Mail), Desktop (~/Desktop), and downloads folder (~/Downloads).  I want to NOT scan everything else.

How do I do that?  Thanks in advance.

:1001163


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  • Thanks QC and Agile,

    I appreciate why it makes sense to scan everything on access if possible, and also the tip re alternate approaches (timed scans, folder actions, etc.).  I will consider these strategies.

    FYI, I wanted to explain why I am intrested in using Sophos in a limited way:

    (1) I am using it on a machine that is constrained in terms of CPU speed, RAM, and disk I/O (First Gen MacBook Air).  Sophos may have a light touch, but on this machine every CPU cycle is like gold.  I was trying to target Sophos at the highest-risk areas (mail, Internet downloads, and USB sticks).

    (2) By fencing off most of my hard drive from Sophos on-access scanning, I was hoping to avoid nagging compatibility issues -- the Time Machine problems noted in other postings (now fixed); the issue with PGP Whole Disk Encryption and the recurring enterprise login request, etc.  A/V software can cause subtle issues, particularly on the Mac where developers don't necessarily expect users will run it, and restricting Sophos to only certain directories seemed like the right approach for me.

    Anyway, thanks for the tips.

    :1001203
Reply
  • Thanks QC and Agile,

    I appreciate why it makes sense to scan everything on access if possible, and also the tip re alternate approaches (timed scans, folder actions, etc.).  I will consider these strategies.

    FYI, I wanted to explain why I am intrested in using Sophos in a limited way:

    (1) I am using it on a machine that is constrained in terms of CPU speed, RAM, and disk I/O (First Gen MacBook Air).  Sophos may have a light touch, but on this machine every CPU cycle is like gold.  I was trying to target Sophos at the highest-risk areas (mail, Internet downloads, and USB sticks).

    (2) By fencing off most of my hard drive from Sophos on-access scanning, I was hoping to avoid nagging compatibility issues -- the Time Machine problems noted in other postings (now fixed); the issue with PGP Whole Disk Encryption and the recurring enterprise login request, etc.  A/V software can cause subtle issues, particularly on the Mac where developers don't necessarily expect users will run it, and restricting Sophos to only certain directories seemed like the right approach for me.

    Anyway, thanks for the tips.

    :1001203
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