From owner-freebsd-questions Tue Jan 1 15:48:45 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mail.mango-bay.com (mail.mango-bay.com [208.206.15.12]) by hub.freebsd.org (Postfix) with ESMTP id 0F5E737B429 for ; Tue, 1 Jan 2002 15:48:40 -0800 (PST) Received: from barbish ([63.70.155.19]) by mail.mango-bay.com (Post.Office MTA v3.5.3 release 223 ID# 0-52377U2500L250S0V35) with SMTP id com; Tue, 1 Jan 2002 18:51:00 -0500 From: "Joe & Fhe Barbish" To: "Brian Whalen" Cc: "FBSD Questions" Subject: RE: IPFW UDP port# 520 Date: Tue, 1 Jan 2002 18:48:32 -0500 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2911.0) X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 In-Reply-To: <20020101152718.H4007-100000@5131-073-209.015.popsite.net> Importance: Normal 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 I know where my rules live. What I need to find out is What ipfw rules do I need to add to my rules list to provide the correct response to make that router happy and shut up? -----Original Message----- From: Brian Whalen [mailto:bri@sonicboom.org] Sent: Tuesday, January 01, 2002 6:29 PM To: Joe & Fhe Barbish Cc: FBSD Questions Subject: RE: IPFW UDP port# 520 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