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The procfs manpage states that procfs is required for the complete operation of programs such as ps and w. I want to mount it but wonder if there are any security implications of doing this.

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This is basically standard in the linux world..

I would assume for that reason, you have not to worry about security implications for this particular question..

What do you expect a security implication could be???

/proc maintains and shows simply an open heart to the kernel and process's

Note: i just "quickly" checked online ( yes i have the internet :P ), and found 2 security problems from 2000 & 2005 for BSD variants... However im sure they are fixed

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In my experience in FreeBSD you'll only need to use procfs when you use Linux binary application.

You can check this article on FreeBSD Handbook , hope it helps.

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ps -e requires procfs –  eugene y Nov 18 '10 at 13:04

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