Date: Thu, 24 Dec 2020 09:07:11 +0000 From: Arthur Chance <freebsd@qeng-ho.org> To: Ihor Antonov <ihor@antonovs.family>, freebsd-questions@freebsd.org Subject: Re: Network namespaces in FreeBSD Message-ID: <e59209c3-af09-68e9-c78d-ddf70909f354@qeng-ho.org> In-Reply-To: <2581038e-fa0f-231d-ae33-1b42d50c8600@antonovs.family> References: <SG2PR01MB2443D481AC24AF7207218E0EF1DE0.ref@SG2PR01MB2443.apcprd01.prod.exchangelabs.com> <SG2PR01MB2443D481AC24AF7207218E0EF1DE0@SG2PR01MB2443.apcprd01.prod.exchangelabs.com> <20201223182227.da6c11d3604eb07bb4f18ce5@sohara.org> <A577602D-C1A9-4B6E-822E-03641A4070A0@FreeBSD.org> <2581038e-fa0f-231d-ae33-1b42d50c8600@antonovs.family>
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On 23/12/2020 18:40, Ihor Antonov wrote: > On 12/23/20 10:32 AM, Kristof Provost wrote: >> On 23 Dec 2020, at 19:22, Steve O'Hara-Smith wrote: >>> On Wed, 23 Dec 2020 16:48:11 +0000 >>> Ameya Deshpande via freebsd-questions <freebsd-questions@freebsd.org> >>> wrote: >>> >>>> Hi, >>>> >>>> I am new to FreeBSD. I was wondering if there is concept like Network >>>> Namespaces in FreeBSD, like it is in Linux? >>> >>> There is something similar see man setfib for details. >>> >> I’ve only briefly played with linux network namespaces, but aren’t >> vnet jails much closer to that? > > I have more experience with Linux than with FreeBSD, so I don't know for > sure what setfib is about. > > VNET jails is the closest thing that comes to mind when comparing to > Linux network namespaces. Unlike Linux, in a jail you will get all other > namespaces separated too (e.g. mount, pid etc.) > > Unfortunately I don't know if it is possible to get exactly same > behavior as in Linux - share all other namespaces except for network > stack. I imagine you can get something like this with Capsicum, but it > would require making changes to the app. Wouldn't a VNET jail rooted at / effectively be that? -- The number of people predicting the demise of Moore's Law doubles every 18 months.
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