Date: Tue, 28 Jan 2025 21:09:15 +0100 From: Maxim Sobolev <sobomax@freebsd.org> To: Alexander Leidinger <Alexander@leidinger.net> Cc: Gleb Smirnoff <glebius@freebsd.org>, Allan Jude <allanjude@freebsd.org>, Current FreeBSD <freebsd-current@freebsd.org> Subject: Re: Difference in "netstat -rn" output in the last 2 months Message-ID: <CAH7qZfsdWdsfshsJNaEBdHjL=Wjx3=5VDma4rjAxC0bcbzbL7w@mail.gmail.com> In-Reply-To: <382bafe6ff9c04ab72d9e0c6f7fb39c3@Leidinger.net> References: <b529fbae8f4f4ed96dab86d11995f4b9@Leidinger.net> <Z5kJzMy0qRZ3i0pD@cell.glebi.us> <CAH7qZfvuf95Z_3_kj59B7CtE1SvnoERF51XTCMa2vD2WE53yZg@mail.gmail.com> <382bafe6ff9c04ab72d9e0c6f7fb39c3@Leidinger.net>
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--00000000000005c5c7062cc9c5cc Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <sarcasm>Discussed between 3 people, creating the problem for 3,000. Great!</sarcasm> -Max On Tue, Jan 28, 2025, 7:05=E2=80=AFPM Alexander Leidinger <Alexander@leidin= ger.net> wrote: > Am 2025-01-28 18:32, schrieb Maxim Sobolev: > > I also think this should be reverted back to default. "-n" refers to IP t= o > name functionality, "default" is clearly a special case. If someone wants > it, some other option can be added to emit 0.0.0.0/0 (not sure why but > ok). > > > This was discussed in the review referenced in the commit. The -nn > proposal was there too. Personally I agree with the rationales in favor o= f > "-nn". > > Bye, > Alexander. > > > -Max > > On Tue, Jan 28, 2025, 5:46=E2=80=AFPM Gleb Smirnoff <glebius@freebsd.org>= wrote: > > On Sun, Jan 26, 2025 at 04:58:57PM +0100, Alexander Leidinger wrote: > A> something has changed in the output of "netstat -rn" between > A> 2024-11-23-195545 and 2025-01-22-151306. The default route is not > listed as > A> "default" anymore, but with "0.0.0.0" resp. "::/0". This breaks some > tools > A> (e.g. iocage). Iocage uses python, I'm not sure if it uses netstat or > some > A> other interface, so it may not be directly related to netstat itself b= ut > A> could be related to some other stuff (netlink maybe?). > A> > A> Does this ring a bell for someone? > > This is very likely changed by 9206c79961986c2114a9a2cfccf009ac010ad259. > > Allan, may be make exclusion for the "default" to keep POLA? Otherwise, > indeed at time of 15.0-RELEASE we will receive some negative feedback :) > > Maybe double -nn should introduce new behavior? > > -- > Gleb Smirnoff > > > -- > http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF > http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF > --00000000000005c5c7062cc9c5cc Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"auto"><sarcasm>Discussed between 3 people, creating the p= roblem for 3,000. Great!</sarcasm><div dir=3D"auto"><br></div><div di= r=3D"auto">-Max</div></div><br><div class=3D"gmail_quote gmail_quote_contai= ner"><div dir=3D"ltr" class=3D"gmail_attr">On Tue, Jan 28, 2025, 7:05=E2=80= =AFPM Alexander Leidinger <<a href=3D"mailto:Alexander@leidinger.net">Al= exander@leidinger.net</a>> wrote:<br></div><blockquote class=3D"gmail_qu= ote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex= "><div style=3D"font-size:10pt;font-family:Verdana,Geneva,sans-serif"> <p id=3D"m_-5400483393599524973reply-intro">Am 2025-01-28 18:32, schrieb Ma= xim Sobolev:</p> <blockquote type=3D"cite" style=3D"padding:0 0.4em;border-left:#1010ff 2px = solid;margin:0"> <div id=3D"m_-5400483393599524973replybody1"> <div dir=3D"auto">I also think this should be reverted back to default. &qu= ot;-n" refers to IP to name functionality, "default" is clea= rly a special case. If someone wants it, some other option can be added to = emit <a href=3D"http://0.0.0.0/0" rel=3D"noopener noreferrer noreferrer" ta= rget=3D"_blank">0.0.0.0/0</a> (not sure why but ok).</div> </div> </blockquote> <div id=3D"m_-5400483393599524973replybody1"> <div dir=3D"auto"> <div dir=3D"auto">=C2=A0</div> <div dir=3D"auto">This was discussed in the review referenced in the commit= . The -nn proposal was there too. Personally I agree with the rationales in= favor of "-nn".</div> <div dir=3D"auto">=C2=A0</div> <div dir=3D"auto">Bye,</div> <div dir=3D"auto">Alexander.</div> <div dir=3D"auto">=C2=A0</div> </div> </div> <blockquote type=3D"cite" style=3D"padding:0 0.4em;border-left:#1010ff 2px = solid;margin:0"> <div id=3D"m_-5400483393599524973replybody1"> <div dir=3D"auto"> <div dir=3D"auto">-Max</div> </div> <br> <div> <div dir=3D"ltr">On Tue, Jan 28, 2025, 5:46=E2=80=AFPM Gleb Smirnoff <<a= href=3D"mailto:glebius@freebsd.org" rel=3D"noreferrer noreferrer" target= =3D"_blank">glebius@freebsd.org</a>> wrote:</div> <blockquote style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-l= eft:1ex">On Sun, Jan 26, 2025 at 04:58:57PM +0100, Alexander Leidinger wrot= e:<br>A> something has changed in the output of "netstat -rn" = between<br>A> 2024-11-23-195545 and 2025-01-22-151306. The default route= is not listed as<br>A> "default" anymore, but with "0.0.= 0.0" resp. "::/0". This breaks some tools<br>A> (e.g. ioc= age). Iocage uses python, I'm not sure if it uses netstat or some<br>A&= gt; other interface, so it may not be directly related to netstat itself bu= t<br>A> could be related to some other stuff (netlink maybe?).<br>A> = <br>A> Does this ring a bell for someone?<br><br>This is very likely cha= nged by 9206c79961986c2114a9a2cfccf009ac010ad259.<br><br>Allan, may be make= exclusion for the "default" to keep POLA? Otherwise,<br>indeed a= t time of 15.0-RELEASE we will receive some negative feedback :)<br><br>May= be double -nn should introduce new behavior?<br><br>-- <br>Gleb Smirnoff<br= ><br></blockquote> </div> </div> </blockquote> <p><br></p> <div id=3D"m_-5400483393599524973signature">-- <br> <div style=3D"margin:0;padding:0;font-family:monospace"><a href=3D"http://w= ww.Leidinger.net" rel=3D"noopener noreferrer noreferrer" target=3D"_blank">= http://www.Leidinger.net</a>; <a href=3D"mailto:Alexander@Leidinger.net:" ta= rget=3D"_blank" rel=3D"noreferrer">Alexander@Leidinger.net:</a> PGP 0x8F318= 30F9F2772BF<br><a href=3D"http://www.FreeBSD.org" rel=3D"noopener noreferre= r noreferrer" target=3D"_blank">http://www.FreeBSD.org</a>; =C2=A0 =C2=A0<a = href=3D"mailto:netchild@FreeBSD.org" target=3D"_blank" rel=3D"noreferrer">n= etchild@FreeBSD.org</a> =C2=A0: PGP 0x8F31830F9F2772BF</div> </div> </div> </blockquote></div> --00000000000005c5c7062cc9c5cc--
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