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Hi, |
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On 10/8/06, 7v5w7go9ub0o <7v5w7go9ub0o@×××××.com> wrote: |
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> It is my understanding that dhcpcd client requires root or a |
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> privileged user. Am presently running dhcpcd in a chroot jail (ssp and |
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> grsecurity-hardened kernel) as user root (ugh). (This is a laptop used |
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> at hotspots, so I think I need to use dhcp). |
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Not all dhcp clients run has root. |
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in ubuntu linux, the dhclient is running with "daemon" user. |
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I haven't looked carefully how to acomplish this in gentoo.. but I will. |
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> |
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> Other distributions distribute dhcpcd with a "paranoia" patch incorporated |
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> |
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> <http://www.episec.com/people/edelkind/patches/dhcp/dhcp-2.0+paranoia.patch> |
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> |
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> which allows the dropping of privilege and changing of user/group after startup. |
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It would be nice to have that integrated. |
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> |
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> Questions: |
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> |
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> 1 Does Gentoo have an "official" way to apply this patch. |
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> |
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> 2 Presuming that it doesn't, I guess that I'll ebuild unpack: patch |
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> the source manually; ebuild merge !? |
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> |
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> 3. Are there other ways to deal with this potential vulnerability |
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> (privileged process listening on an open port (68) )? (e.g. using |
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> selfdhcp and effecting a manual connection?) |
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> |
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privilege revocation/separation on the aplication in case seems the better way. |
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> TIA, newbie |
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> -- |
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> gentoo-hardened@g.o mailing list |
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> |
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Best regards, |
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-- |
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Miguel Sousa Filipe |
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-- |
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