From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([69.77.167.62] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1KLlfs-0007KN-3l for garchives@archives.gentoo.org; Wed, 23 Jul 2008 21:15:04 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 5CAE0E03A8; Wed, 23 Jul 2008 21:15:02 +0000 (UTC) Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.190]) by pigeon.gentoo.org (Postfix) with ESMTP id 05E41E03A8 for ; Wed, 23 Jul 2008 21:15:01 +0000 (UTC) Received: by nf-out-0910.google.com with SMTP id c7so6843503nfi.26 for ; Wed, 23 Jul 2008 14:15:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:reply-to:to:subject:date :user-agent:references:in-reply-to:mime-version:content-type :content-transfer-encoding:message-id; bh=Po+xP7QncD0jkSWFHW8yug4s3eWygAVLmPLcm8m02Ks=; b=ZNFsduVkeUAiS2oHKnI1zb1jCUWlU9BdJHKJOTD0mN3gbzsEyYYIWtt6JSGYYtMOkM XW4H0i928nURuTiDWuHEgeKhBGFoU7bJ4yMZLWgI/jbmg8NJMkkXDkxCYzmeuQBVM6b5 XRipRkY/Tk6gRIvgs9xOUxPmXfjOm9DDhBP0A= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:reply-to:to:subject:date:user-agent:references:in-reply-to :mime-version:content-type:content-transfer-encoding:message-id; b=BSeu83XCXkNJJUOGQv3bfbPiovpaCNYO9wigc6x+wI389LwtTSXnSk7q9yL67q99KU iSVaI0PxrkDubzmVPW4CycgE7s2FctXt2S/Z7bA6R8oLcEEmR+oMUOqfnvJfVhAXpBCv XYGjkMS1vCKBhNfCgVSdDilStJ8MPgwIhzjeY= Received: by 10.210.89.4 with SMTP id m4mr252281ebb.21.1216847701196; Wed, 23 Jul 2008 14:15:01 -0700 (PDT) Received: from lappy.study ( [212.159.46.48]) by mx.google.com with ESMTPS id 35sm14443307nfu.4.2008.07.23.14.14.58 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 23 Jul 2008 14:15:00 -0700 (PDT) From: Mick To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Re: Curious ping problem with no FW Date: Wed, 23 Jul 2008 22:14:54 +0100 User-Agent: KMail/1.9.9 References: <87lk044bki.fsf@newsguy.com> <200807201658.29960.michaelkintzios@gmail.com> <87ej5mj6ee.fsf@newsguy.com> In-Reply-To: <87ej5mj6ee.fsf@newsguy.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart3049340.M9LE8fUHOC"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200807232214.56647.michaelkintzios@gmail.com> X-Archives-Salt: 94633a6c-17c9-461d-adfe-bcf5cac17238 X-Archives-Hash: 6bb76b1cb1cbd7b269e3f12af7056de8 --nextPart3049340.M9LE8fUHOC Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tuesday 22 July 2008, Harry Putnam wrote: > Mick writes: > > It may be worth checking your router's firewall rules once more. Is the > > gentoo box connected to the router in the same fashion as the MSWindows > > boxen, or is it in some funny DMZ set up? > > The section involving blocking has nothing whatever set. OK, but is NATing configured the same way for both Linux & MS Windows=20 machines? > > What do the firewall logs show? > > Since there is nothing outgoing set to log, it says nothing. Does your router give you the option to log outgoing packets, or monitor th= em=20 in real time? > Here I see: > sysctl -a|grep 'net.*icmp' > > net.ipv4.icmp_echo_ignore_all =3D 0 That's how it should be if you want your Linux box to respond to pings. > net.ipv4.icmp_echo_ignore_broadcasts =3D 1 > net.ipv4.icmp_ignore_bogus_error_responses =3D 1 > net.ipv4.icmp_errors_use_inbound_ifaddr =3D 0 > net.ipv4.icmp_ratelimit =3D 250 > net.ipv4.icmp_ratemask =3D 6168 Nothing amiss here either. Have you tried going back to basics: unplug the MSWindows box from your=20 router and plug your Linux box in the same port to see if you can ping=20 internet addresses. Can you ping the IP address of ftp.ucsb.edu; i.e. 128.111.24.43 (although I= =20 would expect that if your linux had DSN problems you wouldn't be able to=20 browse from it altogether. What does traceroute show and how does this compare with traceroute -T?=20 =2D-=20 Regards, Mick --nextPart3049340.M9LE8fUHOC Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (GNU/Linux) iEYEABECAAYFAkiHn1AACgkQ5Fp0QerLYPe62wCguMEnEpr6q053wprvu0UiVm6e 5HIAn2U4DQy5WmJlQ/bynHgZTP4ZtWUo =Klde -----END PGP SIGNATURE----- --nextPart3049340.M9LE8fUHOC--