Date: Fri, 23 Sep 2022 22:37:54 -0600 From: Warner Losh <imp@bsdimp.com> To: Cy Schubert <Cy.Schubert@cschubert.com> Cc: Mike Karels <mike@karels.net>, Gregory Byshenk <freebsd@byshenk.net>, src-committers <src-committers@freebsd.org>, "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>, dev-commits-src-main@freebsd.org Subject: Re: git: 24e1824e4646 - main - Deprecate telnet daemon Message-ID: <CANCZdfq6P7QyuHvHy5UpxVoc2zqrfjnuk-xEn8FQYjn8Wwj6jw@mail.gmail.com> In-Reply-To: <20220924043513.5EB8223C@slippy.cwsent.com> References: <202209211517.28LFHkoJ089471@gitrepo.freebsd.org> <20220921163951.17C77AC@slippy.cwsent.com> <8EC34FC3-F299-4B03-AD4E-83D062D0E9F6@karels.net> <Yyt%2BEOM/Bnth88Xv@FreeBSD.org> <5c162710def7eb94c032dfab73e9560e@lerctr.org> <6C27C573-601C-40F8-99C9-C964F9C2B3E2@karels.net> <YyxRqBdFfg1in/nO@v1.leiden.byshenk.net> <FE029833-BB8D-4831-A707-891AD0DB518E@karels.net> <20220924043513.5EB8223C@slippy.cwsent.com>
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[-- Attachment #1 --] On Fri, Sep 23, 2022 at 10:35 PM Cy Schubert <Cy.Schubert@cschubert.com> wrote: > In message <FE029833-BB8D-4831-A707-891AD0DB518E@karels.net>, Mike Karels > write > s: > > On 22 Sep 2022, at 7:14, Gregory Byshenk wrote: > > > > > On Wed, Sep 21, 2022 at 04:42:32PM -0500, Mike Karels wrote: > > > > > >> Ditto on the finger memory. And I tried this: > > >> > > >> mike@backup$ nc mail 25 > > >> 220 mail.karels.net Service ready > > >> helo backup.karels.net > > >> 500 Command missing Carriage Return > > >> > > >> telnet also accepts a service name instead of a port number (part of > t= > > he > > >> finger memory). > > > > > > I understand the finger memory. Sometimes at $job I still type > > > 'telnet' on machines that I know do not have a telnet client. > > > > > > But a 'nc -t <hostname> <port>' should solve the problem you > > > show above. It does for me, in any case. > > > > It does not; the result is the same. The man page does not > > say anything about newline handling with -t; not sure what > > it is supposed to do. > > > > I also note that nc doesn=E2=80=99t pass control characters like > > ^D and ^C. > > > > Responding to an earlier message: telnet should remain in > > base, not moved to a port. > > Another idea that just occurred to me while reviewing some code is, should > we adopt the NetBSD telnet (and optionally telnetd)? Telnet is not the > most > interesting software to work on and is easily forgotten, not to mention > we're all busy working on other more useful projects. NetBSD somewhat more > active maintenance of telnet/telnetd would free up FreeBSD resources. I've > been toying with the idea of possibly net/netbsd-telnet and > net/netbsd-telnetd ports. But if we feel replacing FreeBSD telnet/telnetd > with NetBSD versions might free up some resources, it's worth pondering > and > discussing replacing what we have in src with the NetBSD versions. > > Though our contrib/telnet was a vendor import at some point. Where did we > get it from? Does that upstream still exist? > > Seems logical to me that for software in its twilight years we may be > better off collaborating with other BSDs to reduce effort needed to > maintain such software. > > Just throwing it out there for people to think about this weekend. > The usual question is 'is it a drop in replacement'? and are there FreeBSD specific features of telnet that we'd lose... I'm guessing the answer would be 'yes' and 'no' respectively... Warner [-- Attachment #2 --] <div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Sep 23, 2022 at 10:35 PM Cy Schubert <<a href="mailto:Cy.Schubert@cschubert.com">Cy.Schubert@cschubert.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">In message <<a href="mailto:FE029833-BB8D-4831-A707-891AD0DB518E@karels.net" target="_blank">FE029833-BB8D-4831-A707-891AD0DB518E@karels.net</a>>, Mike Karels <br> write<br> s:<br> > On 22 Sep 2022, at 7:14, Gregory Byshenk wrote:<br> ><br> > > On Wed, Sep 21, 2022 at 04:42:32PM -0500, Mike Karels wrote:<br> > ><br> > >> Ditto on the finger memory. And I tried this:<br> > >><br> > >> mike@backup$ nc mail 25<br> > >> 220 <a href="http://mail.karels.net" rel="noreferrer" target="_blank">mail.karels.net</a> Service ready<br> > >> helo <a href="http://backup.karels.net" rel="noreferrer" target="_blank">backup.karels.net</a><br> > >> 500 Command missing Carriage Return<br> > >><br> > >> telnet also accepts a service name instead of a port number (part of t=<br> > he<br> > >> finger memory).<br> > ><br> > > I understand the finger memory. Sometimes at $job I still type<br> > > 'telnet' on machines that I know do not have a telnet client.<br> > ><br> > > But a 'nc -t <hostname> <port>' should solve the problem you<br> > > show above. It does for me, in any case.<br> ><br> > It does not; the result is the same. The man page does not<br> > say anything about newline handling with -t; not sure what<br> > it is supposed to do.<br> ><br> > I also note that nc doesn=E2=80=99t pass control characters like<br> > ^D and ^C.<br> ><br> > Responding to an earlier message: telnet should remain in<br> > base, not moved to a port.<br> <br> Another idea that just occurred to me while reviewing some code is, should <br> we adopt the NetBSD telnet (and optionally telnetd)? Telnet is not the most <br> interesting software to work on and is easily forgotten, not to mention <br> we're all busy working on other more useful projects. NetBSD somewhat more <br> active maintenance of telnet/telnetd would free up FreeBSD resources. I've <br> been toying with the idea of possibly net/netbsd-telnet and <br> net/netbsd-telnetd ports. But if we feel replacing FreeBSD telnet/telnetd <br> with NetBSD versions might free up some resources, it's worth pondering and <br> discussing replacing what we have in src with the NetBSD versions.<br> <br> Though our contrib/telnet was a vendor import at some point. Where did we <br> get it from? Does that upstream still exist?<br> <br> Seems logical to me that for software in its twilight years we may be <br> better off collaborating with other BSDs to reduce effort needed to <br> maintain such software.<br> <br> Just throwing it out there for people to think about this weekend.<br></blockquote><div><br></div><div>The usual question is 'is it a drop in replacement'? and are there FreeBSD specific</div><div>features of telnet that we'd lose... I'm guessing the answer would be 'yes' and 'no'</div><div>respectively...</div><div><br></div><div>Warner </div></div></div>
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