From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: from minnie.tuhs.org (minnie.tuhs.org [IPv6:2600:3c01:e000:146::1]) by inbox.vuxu.org (Postfix) with ESMTP id E3D1D31AA3 for ; Sat, 14 Dec 2024 17:47:19 +0100 (CET) Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id C5E5643CAE; Sun, 15 Dec 2024 02:47:14 +1000 (AEST) Received: from mail-lj1-x233.google.com (mail-lj1-x233.google.com [IPv6:2a00:1450:4864:20::233]) by minnie.tuhs.org (Postfix) with ESMTPS id 9861F43CAD for ; Sun, 15 Dec 2024 02:47:09 +1000 (AEST) Received: by mail-lj1-x233.google.com with SMTP id 38308e7fff4ca-2ff976ab0edso22348771fa.1 for ; Sat, 14 Dec 2024 08:47:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1734194828; x=1734799628; darn=tuhs.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=3GEkocTN+y/EGcbNA2jU8G2sLFjUl7le+0GdNg49I7A=; b=MLA2ms5N3ge8RupiiSBhItgEZzvoQgQid4cVMxn+wivxIzUonx2IOZmfyN7grOgvBS +DuN4lLldHkl40teSsKadOQt/dd3C8YJG1XvLKPAOblaTt43oCBdHBruTWDMVGix3SCj XUHiHpRFxORU4hT8zE/szNpYaZtzMR69aFSQf2y/YYEVqRaBrS4iaV9sWLh56vpTre1v dEUUvSHEbO2zWoADxsyztjMz5cqzb7fR7J2/RjRWjpXAsv8UdS0u2Cy32zriQc5O8Goe y40k945viLlEOJNjdujdIrZwasUXc7+EzOVJfd5zVbRUpkm1PoMacU+pa4QY4GIUPB7v apZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734194828; x=1734799628; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3GEkocTN+y/EGcbNA2jU8G2sLFjUl7le+0GdNg49I7A=; b=UO2MLazVV+u9D0lCiK/azkYTxo7v8vmuRbMVp8yiUcITreuVf6YTynWvuIqOJL5528 UVZZyTyKWfy6Xswl42TPMrA3UwdVYMmO7WgUaQVIaEFhqPknFC9aCVZY85u77pi8CQh2 nBxQnRmOBSOgwxxL72KTMIgLR6PHVObigQrB2KCGQ8lzd1nUyUkYGrMnEltvk7l16+vE REzhUcnrdHRnzC+eXONjKt1ur/GG3e+/68dDKJRj0Q/AfV+jtIkZPNFXr6XaXRUw3WsE FFhCTWYsA4AxNDeAOsKeTrxJAcPPr3dlOg+c8K/Ib1mtCQEJ3wYlNXqhWtNvp/PZyi4H mx1A== X-Gm-Message-State: AOJu0Yxdg0JOJzBS+xm0DlVoaxh+E5t4jFsEcWTOOniHlfaDgFUMRIOB uAXlWtzEzk9ozb9DFstomiHnoX1W+h+PhI4HlA3qSzZSC/JntLc8aTVZq5t3BHSFEWbmn3CzO3H WV2LCziG3nCtaiXcCZzeB4mfoj81dvjC7 X-Gm-Gg: ASbGncsUEiTuhGEt+z5U6yCb9YUXs/0e8jwp5JkaC4TwKUFLW1It5EuzTBVhLTsyO3Z qIbsLSSORgTVR+dH42pHdJEd5WVzFmh51jySz2OZ1JyjDLPtkB0MLTMh1f2dfOJloXmS9shE= X-Google-Smtp-Source: AGHT+IExmaTr0DywuEp5jQ57tPfT62CxuXJ3GGXlzM+jcQC78Kzs5ijSKm5n4qOXHXDQigRX6nMUc/avpWDtFciib+k= X-Received: by 2002:a2e:b887:0:b0:302:29a5:6e21 with SMTP id 38308e7fff4ca-30254566731mr19771071fa.3.1734194827776; Sat, 14 Dec 2024 08:47:07 -0800 (PST) MIME-Version: 1.0 References: <7wplluloh1.fsf@junk.nocrew.org> In-Reply-To: <7wplluloh1.fsf@junk.nocrew.org> From: Dan Cross Date: Sat, 14 Dec 2024 11:46:31 -0500 Message-ID: To: Lars Brinkhoff Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Message-ID-Hash: MDWFXD6OPNCIRGXMLYIRMKGBB6Y57YIL X-Message-ID-Hash: MDWFXD6OPNCIRGXMLYIRMKGBB6Y57YIL X-MailFrom: crossd@gmail.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tuhs.tuhs.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: TUHS X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: BSD talk program? List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Sat, Dec 14, 2024 at 2:21=E2=80=AFAM Lars Brinkhoff wr= ote: > Dan Cross wrote: > > I'm curious if anyone has any history they can share about the BSD > > "talk" program. > > Allow me to interject for a moment. Apparently there's a ttylinkd > program that "is a simple daemon that allows incoming ttylink calls to > be routed through to Linux's normal talkd(8) system". The only `ttylinkd` that I'm aware of is the one that's part of the Linux AX.25/NETROM/Rose suite. This lets a ham set up a service for one of those protocols; I set this up for connected-mode AX.25 at my QTH (`KZ2X-2` on 144.09 MHz in the Boston area). In a nutshell, if someone uses AX.25 and connects to that SSID, the system invokes the ttylinkd daemon, which knows enough about the `talk` protocol to connect to a talk daemon and send an invitation to a (fixed) user. That user can use any normal `talk` client to talk to the user on the radio end, allowing keyboard-to-keyboard communication. It's not character-by-character the way that normal "talk" is because AX.25 is in the way and generally wants to batch up keystrokes into lines/packets (it's slow), but it's kinda cool. Of course, no one around here uses it. :-( > It's TCP port 87 > in RFC 1060 "Assigned Numbers", but seems to have been dropped since. > Maybe someone can expand on this. > > Apparently this protocol was known at MIT, because there's a Chaosnet > servic called TTYLINK. The client side is implemented by the MINITS > Chaosnet router/terminal concentrator/etc. I suspect this is something different, and the name collision is just an unfortunate coincidence. - Dan C.