From owner-freebsd-questions Tue Jan 1 15:28:59 2002 Delivered-To: freebsd-questions@freebsd.org Received: from server5.safepages.com (server5.safepages.com [216.127.146.2]) by hub.freebsd.org (Postfix) with ESMTP id 774BC37B41E for ; Tue, 1 Jan 2002 15:28:50 -0800 (PST) Received: from 5131-073-209.015.popsite.net (5131-073-209.015.popsite.net [64.24.73.209]) by server5.safepages.com (Postfix) with ESMTP id 70F182AE0D; Tue, 1 Jan 2002 23:28:37 +0000 (GMT) Received: from 5131-073-209.015.popsite.net (localhost.popsite.net [127.0.0.1]) by 5131-073-209.015.popsite.net (8.12.1/8.11.3) with ESMTP id g01NSc4p004030; Tue, 1 Jan 2002 15:28:38 -0800 (PST) (envelope-from bri@sonicboom.org) Received: from localhost (bri@localhost) by 5131-073-209.015.popsite.net (8.12.1/8.12.1/Submit) with ESMTP id g01NScRA004027; Tue, 1 Jan 2002 15:28:38 -0800 (PST)?g (envelope-from bri@sonicboom.org) X-Authentication-Warning: 5131-073-209.015.popsite.net: bri owned process doing -bs Date: Tue, 1 Jan 2002 15:28:38 -0800 (PST) From: Brian Whalen X-X-Sender: bri@5131-073-209.015.popsite.net To: Joe & Fhe Barbish Cc: FBSD Questions Subject: RE: IPFW UDP port# 520 In-Reply-To: Message-ID: <20020101152718.H4007-100000@5131-073-209.015.popsite.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Look at your /etc/rc.conf to see what firewall file is being loaded and edit that file. Are you using the simple, client, or another setup? Brian "Sonic" Whalen Success = Preparation + Opportunity On Tue, 1 Jan 2002, Joe & Fhe Barbish wrote: > I did not put the real IP address in the post, just changed > the numbers to protect myself. > The ISP real IP address does do a reverse dns ok. > > This machine is a virgin install of FBSD never been connected to > the internet without firewall. There's no way that the Ripper > Trojan could have infested my box. The 520's I am receiving can > Only be from my ISP's router. > > What ipfw rules do I need to respond to make that router > happy and shut up? > > > -----Original Message----- > From: Brian Whalen [mailto:bri@sonicboom.org] > Sent: Tuesday, January 01, 2002 4:36 PM > To: Joe & Fhe Barbish > Cc: FBSD Questions > Subject: Re: IPFW UDP port# 520 > > Well I'd be a little suspicious due to the lack of a reverse dns entry for > that ip. According to arin, that ip belongs to Alexia Internet. This > your isp? Is that ip your gsteway for traffic back out? > > Brian "Sonic" Whalen > Success = Preparation + Opportunity > > > On Tue, 1 Jan 2002, Joe & Fhe Barbish wrote: > > > Happy new year to all FBSD list readers. > > > > I see in my security log a lot of denied packets over and > > over again of the same kind. > > > > Deny UDP 208.203.25.3:520 63.163.61.14:520 in via tun0 > > > > 208.203.25.3 is my ISP's IP address and 63.163.61.14 is my IP address. > > > > When I lookup what port 520 is it says a local routing process > > or Trojan Ripper. I think it's my ISP's front door router > > inquiring if I am still there. > > Since my firewall is denying the request it just keeps repeating. > > > > How can I be sure It's my ISP's router and not the Ripper Trojan? > > > > What rules do I need the add to my IPFW rules set to resolve this? > > > > Thanks > > > > Joe > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message