From nobody Sat Apr 12 15:01:06 2025 X-Original-To: freebsd-security@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4ZZcL319mTz5s82n for ; Sat, 12 Apr 2025 15:05:15 +0000 (UTC) (envelope-from naddy@mips.inka.de) Received: from mail.inka.de (mail.inka.de [IPv6:2a04:c9c7:0:1073:217:a4ff:fe3b:e77c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4ZZcL11zdWz3g9j for ; Sat, 12 Apr 2025 15:05:13 +0000 (UTC) (envelope-from naddy@mips.inka.de) Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of naddy@mips.inka.de designates 2a04:c9c7:0:1073:217:a4ff:fe3b:e77c as permitted sender) smtp.mailfrom=naddy@mips.inka.de Received: from mips.inka.de (naddy@[127.0.0.1]) by mail.inka.de with uucp (rmailwrap 0.5) id 1u3cPo-009Huz-3V; Sat, 12 Apr 2025 17:05:04 +0200 Received: from lorvorc.mips.inka.de (localhost [127.0.0.1]) by lorvorc.mips.inka.de (8.18.1/8.18.1) with ESMTP id 53CF16M6007243 for ; Sat, 12 Apr 2025 17:01:06 +0200 (CEST) (envelope-from naddy@lorvorc.mips.inka.de) Received: (from naddy@localhost) by lorvorc.mips.inka.de (8.18.1/8.18.1/Submit) id 53CF16lL007242 for freebsd-security@freebsd.org; Sat, 12 Apr 2025 17:01:06 +0200 (CEST) (envelope-from naddy) Date: Sat, 12 Apr 2025 17:01:06 +0200 From: Christian Weisgerber To: freebsd-security@freebsd.org Subject: Re: Heads-up: DSA key support being removed from OpenSSH Message-ID: References: <76933d66-eff5-4d43-a7a6-98a153e71d77@rlwinm.de> List-Id: Security issues List-Archive: https://lists.freebsd.org/archives/freebsd-security List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-security@freebsd.org Sender: owner-freebsd-security@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spamd-Result: default: False [0.76 / 15.00]; NEURAL_SPAM_MEDIUM(1.00)[1.000]; NEURAL_SPAM_LONG(0.98)[0.977]; NEURAL_HAM_SHORT(-0.92)[-0.921]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_ONE(0.00)[1]; ASN(0.00)[asn:202113, ipnet:2a04:c9c7::/32, country:DE]; FREEFALL_USER(0.00)[naddy]; MIME_TRACE(0.00)[0:+]; MID_RHS_MATCH_FROMTLD(0.00)[]; MISSING_XM_UA(0.00)[]; R_DKIM_NA(0.00)[]; MLMMJ_DEST(0.00)[freebsd-security@freebsd.org]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_NONE(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; ARC_NA(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_LAST(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[freebsd-security@freebsd.org]; DMARC_NA(0.00)[inka.de]; FROM_HAS_DN(0.00)[] X-Rspamd-Queue-Id: 4ZZcL11zdWz3g9j X-Spamd-Bar: / Brooks Davis: > It seems like it would be reasonable to keep a copy of the 9.8 client > around more or less indefinitely. Ideally tracking what ever fixes the > longest lived, open Linux LTS is applying. Debian even keeps an SSH protocol 1 (!) client around, based on OpenSSH 7.5. https://packages.debian.org/stable/net/openssh-client-ssh1 -- Christian "naddy" Weisgerber naddy@mips.inka.de