From owner-freebsd-current@freebsd.org Tue May 28 02:20:45 2019 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 9430D15B2A2D for ; Tue, 28 May 2019 02:20:45 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qk1-x735.google.com (mail-qk1-x735.google.com [IPv6:2607:f8b0:4864:20::735]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BD4E391155 for ; Tue, 28 May 2019 02:20:44 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qk1-x735.google.com with SMTP id m14so1217208qka.10 for ; Mon, 27 May 2019 19:20:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=ockj9Byf3T5gvRtemQ0G6GpfpIz3wwZ0L8nyTtxTOr4=; b=eiI/xkJnRlmg/ZLKcfVhWm66+FPb7RVmycS2uLHlImzRJAYvNl10FhE+pqPwKJwWlR CEBo1yyRGRbYf2dkeMo6+ZBGMzj9XR7T6gQvxgiYKwCeoyolktxrGTBsmTNOC+YUWOS+ yO9hdCJg43dGX83ifZ7VztqZJy1vDz28nxkoK3BMURgW0xWYf0fFh0lXVOYgcYBk9Ni3 UpetS83lBnp4m8f//+4JkKW0sT3k+IAhf8RNnbP6CeZ6PGcZrXAyRwF+SSVRXx0Yty5G 7+CfaZpzo4T/RXwKwC1puUnLTKLDcCl2WfIBAVbAUeY982tr9yOhCTFJn5JUMk70h3Ra OEXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=ockj9Byf3T5gvRtemQ0G6GpfpIz3wwZ0L8nyTtxTOr4=; b=StO6NTIHKaiWRIfoepNPhTRO1eNtnppfVw+JrCIA0t9jzID7zEypVxVktd5xVuMe49 VonNSQjbzjHdui3wn+ABnGLVj1fLge71LGpJ1b7cs1XOAOCp4mqT8DXlTpJfnoFz2LsS B3s3MIY4y0BicfRXFLocfmbWJ+HkE7nieKVDC1LTwcF0s33vBHbtKwDdxgyIwlt0sGcp GRQeflAmiEyuJ4sb0JhxVBeTqjv0ePHCzO+pSq/3vvxQMkxpP3BK2EZYQufVn4QRbRgx 08yRnmRHC+WfBWxv8xDp1SfcbL1wkXGRsLUa6Yn4/nzvxAeFXwj4cWT3ibcR8W3alTPn LABw== X-Gm-Message-State: APjAAAUQsxfh2/Bz9xJBd6n4igyc/aLhTd4vPMKNVi1GJBDsVsb4Zhaw jX6rhN+evTV04z6yX15+nqIcciB0sY9xQiQ01hBnBQ== X-Google-Smtp-Source: APXvYqyAKJ1wWuk/89dqvgNoY1pXzELDRuWUBZtaMBXwenwFKUFPL7a4T0/o1oZQ5U7G4Bx2F/B6rHDKJolteqg1WVU= X-Received: by 2002:a37:4b48:: with SMTP id y69mr85889385qka.77.1559010043828; Mon, 27 May 2019 19:20:43 -0700 (PDT) MIME-Version: 1.0 References: <2d16a2a9ac5c090f196674d40d0cb398@ultra-secure.de> <3E7C1D63-996E-4AA0-A0A4-455B996BB9D6@gmail.com> In-Reply-To: <3E7C1D63-996E-4AA0-A0A4-455B996BB9D6@gmail.com> From: Warner Losh Date: Mon, 27 May 2019 20:20:32 -0600 Message-ID: Subject: Re: Disabling COMPAT_FREEBSD4/5/6/7/9 as a default kernel option To: Garrett Cooper Cc: Rainer Duffner , "Conrad E. Meyer" , voidanix@420blaze.it, freebsd-current , owner-freebsd-current@freebsd.org X-Rspamd-Queue-Id: BD4E391155 X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org; dkim=pass header.d=bsdimp-com.20150623.gappssmtp.com header.s=20150623 header.b=eiI/xkJn X-Spamd-Result: default: False [-6.01 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[bsdimp-com.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; DMARC_NA(0.00)[bsdimp.com]; RCPT_COUNT_FIVE(0.00)[6]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[bsdimp-com.20150623.gappssmtp.com:+]; MX_GOOD(-0.01)[cached: ALT1.aspmx.l.google.com]; RCVD_IN_DNSWL_NONE(0.00)[5.3.7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.b.8.f.7.0.6.2.list.dnswl.org : 127.0.5.0]; NEURAL_HAM_SHORT(-0.99)[-0.992,0]; R_SPF_NA(0.00)[]; FORGED_SENDER(0.30)[imp@bsdimp.com,wlosh@bsdimp.com]; FREEMAIL_TO(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+,1:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[imp@bsdimp.com,wlosh@bsdimp.com]; IP_SCORE(-3.01)[ip: (-9.43), ipnet: 2607:f8b0::/32(-3.29), asn: 15169(-2.28), country: US(-0.06)]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 May 2019 02:20:45 -0000 On Mon, May 27, 2019, 6:49 PM Enji Cooper wrote: > > > On May 27, 2019, at 08:27, rainer@ultra-secure.de wrote: > > > > Am 2019-05-27 17:05, schrieb Conrad Meyer: > >> Hi Rainier, > >> On Mon, May 27, 2019 at 7:47 AM wrote: > >>> I have a 32bit FreeBSD 6 binary that I'll need for a bit until the > >>> department who is technically responsible for the service gets around > >>> redoing that service. > >> Even if this proposal is approved, it would only affect 13+. You > >> could still run your FreeBSD 6 binary in a 32-bit 12 VM in a 13+ > >> Bhyve. But do consider lighting a fire under whatever department > >> thinks it's ok to deploy like that :-). > >> Take care, > >> Conrad > > > > > > I thought so, too. > > > > I don't really want to run the abandonware of a RADIUS-server any longe= r > than necessary (as absurd as that sounds). > > > > It's also running a recursive nameserver (previously also authoritative= ) > that is still hard-coded in CPE and computers behind firewalls. > > > > I first wanted to virtualize it (it's not a big problem) - but this way > the problem is just dragged out: "But it still works, does it and we have > no time". > > > > Everybody now knows that the clock is ticking, literally. > > > > Oh, I also remember George Neville-Neil talking about a - what - FreeBS= D > 4 binary that a certain search-engine had lost the sources for and was > running on FreeBSD 7 with compat4. > > (We also have a client who literally begged us to leave a decade-old > Solaris box running through 2019 and half of 2020 so they could continue = to > do their bookkeeping on a home-grown java-app that I suspect they, too ha= ve > lost the sources to...). It's running jdk15 and getting that thing to run > under anything semi-decent doesn't seem to have worked-out too well. > > So, people pray for the best and don't prepare for the worst. > > > > > > Other stuff I can think of: > > - very old Netbackup-Clients (like 5-series), though I doubt they still > work on recent releases, because 7.71 (last official version and intended > for FreeBSD 11) stopped working on FreeBSD12, sadly) > > - certain pre-compiled VMWare Tools Modules? Pre open-source-tools (I > can never make up my mind if it's VMWare-open-Tools or Open-VMWare-Tools = or > something different) > > > > > > What ever people do with COMPAT4-9 - it's bordering the pathological. > > I=E2=80=99ll counter the OP=E2=80=99s suggestion a bit: > > It would be nice if the compat options were modularized and printed out a= n > EOS warning when loaded, so the user was aware that the modules are not > supported by FreeBSD, in terms of security and whatnot. > How is that relevant? They just control system calls, not any userland libraries that might or might not have a security exposure. Plus, if not done right you either startle the horses for no reason, or you run the risk of a console DoS if you print something on each system call... Warner Thanks! > -Enji > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org= " >