From owner-freebsd-questions@FreeBSD.ORG Sat Nov 13 04:33:33 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7145816A4CE for ; Sat, 13 Nov 2004 04:33:33 +0000 (GMT) Received: from rproxy.gmail.com (rproxy.gmail.com [64.233.170.198]) by mx1.FreeBSD.org (Postfix) with ESMTP id EBC0A43D41 for ; Sat, 13 Nov 2004 04:33:32 +0000 (GMT) (envelope-from subhro.kar@gmail.com) Received: by rproxy.gmail.com with SMTP id a36so491538rnf for ; Fri, 12 Nov 2004 20:33:32 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:return-path:from:to:cc:subject:date:mime-version:content-type:x-mailer:in-reply-to:x-mimeole:thread-index:message-id; b=q7yq6Z92f5Qvn8vgdujOOms/pYUdS5MVAReaUyxu44q2rxINQ2r2KQmf+lE1nOUS1DOwR8nKCw8wF3llB3IZ1Xv6h50YYSAI5XxwCA7HzenvtGV7Zt1S4VPDvhAvkd/xDeiKm+4xdTwNSz1sSu8feEdwdvKyGmPpATHLljsZ1aU= Received: by 10.38.97.33 with SMTP id u33mr740839rnb; Fri, 12 Nov 2004 20:33:32 -0800 (PST) Received: from phoenix ([220.225.80.140]) by smtp.gmail.com with ESMTP id 70sm7351rnc; Fri, 12 Nov 2004 20:33:32 -0800 (PST) From: "Subhro" To: "'dave'" , Date: Sat, 13 Nov 2004 10:03:15 +0530 Mime-Version: 1.0 Content-Type: multipart/signed; boundary="----=_NextPart_000_0003_01C4C967.FCE83F70" X-Mailer: Microsoft Office Outlook, Build 11.0.6353 In-Reply-To: <000501c4c934$21a46200$0200a8c0@satellite> X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Thread-Index: AcTJNExfLLaVDq1cRH2/1wRuTXBf3wABWQcg Message-ID: <41958e9c.4aebf626.6427.0014@smtp.gmail.com> cc: 'Drew Tomlinson' Subject: RE: limiting ssh logins X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Nov 2004 04:33:33 -0000 ------=_NextPart_000_0003_01C4C967.FCE83F70 Content-Type: text/plain; -----Original Message----- From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd-questions@freebsd.org] On Behalf Of dave Sent: Saturday, November 13, 2004 9:22 To: freebsd-questions@freebsd.org Cc: Drew Tomlinson Subject: limiting ssh logins Hello, I'm wondering if it's possible to use pam or perhaps tcp_wrappers to limit how many ssh logins can be atempted? I'd like to kick off a user who tries to log in repeatedly with the wrong password or tries x times within a minute, my purpose is to slow down hacking atempts in situations where public key authentication is not possible. Thanks. Dave. If you are using ipfw as your firewall, you can simply add a limit rule to port 22 (or whichever port ssh runs on). Refer to man ipfw. Regards S. Subhro Sankha Kar Block AQ-13/1, Sector V Salt Lake City PIN 700091 India ------=_NextPart_000_0003_01C4C967.FCE83F70 Content-Type: application/x-pkcs7-signature; Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="smime.p7s" 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