From nobody Thu Sep 22 02:14:46 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 4MXzPg5SZBz4cyws for ; Thu, 22 Sep 2022 02:14:47 +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 4MXzPg4T6Jz3G4p for ; Thu, 22 Sep 2022 02:14:47 +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 4MXzPg3RpgzGbW for ; Thu, 22 Sep 2022 02:14:47 +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 28M2ElQ2015279 for ; Thu, 22 Sep 2022 02:14:47 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 28M2ElrA015278 for bugs@FreeBSD.org; Thu, 22 Sep 2022 02:14:47 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: Thu, 22 Sep 2022 02:14:46 +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: jlduran@gmail.com 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: 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=1663812887; 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=Jl1+A7FJNeIgLhGPV1cPFGuYrjWXTj5yXJvPqfc63Xk=; b=acKg7cdfbZ1SJPAXnGvFAavCYEK0FQoCpY1y6sfXjAzT7vEq4lFmdyNBd8AboImjp3HfXr WDnVoRWP+CCksvbkWhy9cE/hH9rhfX2lwAiCMNF+tWmjaNwzoNozQJ1xpq/I82FcStO8PZ 23TovxTw0XIxpV4od5WZddvooYYASonsrm7sTiZvkYs4iHmLdJ+gvhPMP6VGBO+miJcdn/ w+dlIVvMD3VdBSbKTNawIk2Orx8lDhRY0UUFPJYfkYXvladMNDj6Wnk3tVkHFlZinnSLbk 5MCu5SVOQPiwsnTzygA2/LB5hj1OE6/kEeoo1XhSHxgzzBA1ovUUW7BqpxJa7A== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1663812887; a=rsa-sha256; cv=none; b=Lhf+XZ2Q9JgjfliQL6kOx2jxXpkCnzw5MlXajrdniVC67A4xuKI1VDXG+Rplb8zxm6IVf9 O2GXL4dJctTDD2FVUxExXJIf3w6lMkSBxiDWs+Wq57T01sySV/toMu8PJj6HXPH+ZFAVP5 j01Bc6OxjuPGv083KzFrBbuEGrGwRO9zxhMlTpj26PyNAg/hZi0NdRaA0lLTsETj3jSSx5 O1J2pe2S8XAM1irrEFEgBq/QbJa244JcHrRXj/WJLkpfaLQPcKOCNmGhL5TR1NfxLSqkDZ aJnivd4tQLp8aas8t++FVEc+3lq1qP8Ny/Fv3+DYh5oozFyDFUX4vv734/OGwQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264600 --- Comment #13 from Jose Luis Duran --- I believe we should change the title to: "openssh: spamming error logs to the console and /var/log/messages" Or something more general like that, since other errors can also be easily triggered: echo "\0" | nc ssh-server 22 error: Fssh_kex_exchange_identification: banner line contains invalid characters echo "SSH-XXX\n" | nc ssh-server 22 error: Bad remote protocol version identification: 'SSH-XXX' You can get more ideas from kex_exchange_identification. --=20 You are receiving this mail because: You are the assignee for the bug.=