From nobody Sun Aug 07 21:32:02 2022 X-Original-To: bugs@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 4M1CGC5jR6z4XqcG for ; Sun, 7 Aug 2022 21:32:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4M1CGC4lGkz3VtC for ; Sun, 7 Aug 2022 21:32:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4M1CGC3rH2zS6t for ; Sun, 7 Aug 2022 21:32:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 277LW34W008006 for ; Sun, 7 Aug 2022 21:32:03 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 277LW3u0008005 for bugs@FreeBSD.org; Sun, 7 Aug 2022 21:32:03 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 264600] openssh: sshd spamming logs: error: Fssh_kex_exchange_identification: Connection closed by remote host Date: Sun, 07 Aug 2022 21:32:02 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 13.1-RELEASE X-Bugzilla-Keywords: needs-qa X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: freebsd-bugs@morgandavis.net X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? mfc-stable13? X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1659907923; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4k7L4t0AUN3sWuoJwR5I3DBAO+sbGBVJBM9X8kdjPKI=; b=vSoNekJEi2NKHNqz47QsjrQW2YudVT1nhZweOa01uGZsQ0EUYNjGsDjpM8bg1zGYXN737O LNTMOVEGiw7dIlJctTGNaOrR4LBT7/MsSehqQ0EkXEfzH4KRX47mNpuR0cIVUiJIeeZVnW dYe68aMK6vuNB4L/oqZoKbIhB15Q3bWdCUv79tXMWb6vmih9IF2vjK3ustBs8uPt72Z94D 6GEVCoSCyO4PN8yuFYJcMsaZJAASxbQZRwUv0+1rUyHwPntx/bjj5IPZ5mWyj+4rfSkhm/ HPVk2KbJoco6VhOlAVnDUMxnUuIM9nvHAgSISRuigQBiQQIlN4Z9dDbtRQJB1A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1659907923; a=rsa-sha256; cv=none; b=t9ZNJToI7jB/a0ZarP0X4cR0dHQkWv7HerL2QP0e+kmOPvjzKUyDRLiboKelp0dRfp4ysX ZNwT35Yxut45yXqjKEKgf6OZGF9Lh3JEgnL3wG2CJfH0uJWxcawDwLGrVqRnT9GQsNc03Q WC7poX2hsLbmWjtVmtgI/27jMRlM+kik5HwTcKYc+KUW2R8AkPPLpCp1BCTXKyC2MrlhrA M4zSpX01hnWxo6SXsTv2D6Eguck+8Zu+hEqxQjruoF6DUVYNN3lng1BIqYPi82/TCqQe+L pKJBJB8z4bxf1wLsY7BJoIuKADDDIBd/rx9YyAHYRYjepUo5rqQNhFFAol7kzw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264600 Morgan Davis changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |freebsd-bugs@morgandavis.ne | |t --- Comment #10 from Morgan Davis --- In my case, these messages are appearing as a result of ssh port probes fro= m my network monitoring script. Before upgrading from 12.3 to 13.1, logs would show one entry per test: Aug 7 13:54:19 dtl-02 sshd[54100]: Did not receive identification string f= rom xx.xx.xx.xx port 54996 Now in 13.1 they show two lines: Aug 7 14:20:05 dtl-02 sshd[34173]: error: Fssh_kex_exchange_identification: Connection closed by remote host Aug 7 14:20:05 dtl-02 sshd[34173]: Connection closed by xx.xx.xx.xx port 5= 1499 --=20 You are receiving this mail because: You are the assignee for the bug.=