From owner-freebsd-hackers@FreeBSD.ORG Wed Sep 17 03:17:01 2003 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C69DD16A4BF for ; Wed, 17 Sep 2003 03:17:01 -0700 (PDT) Received: from fidel.freesurf.fr (fidel.freesurf.fr [212.43.206.16]) by mx1.FreeBSD.org (Postfix) with ESMTP id AEA9E43FDF for ; Wed, 17 Sep 2003 03:17:00 -0700 (PDT) (envelope-from pilax@freesurf.fr) Received: from freesurf.fr (jose.freesurf.fr [212.43.206.13]) by fidel.freesurf.fr (Postfix) with SMTP id EE9502A6D0B; Wed, 17 Sep 2003 12:16:59 +0200 (CEST) Received: from 213.223.240.75 (SquirrelMail authenticated user pilax) by jose.freesurf.fr with HTTP; Wed, 17 Sep 2003 12:16:59 +0200 (CEST) Message-ID: <37530.213.223.240.75.1063793819.squirrel@jose.freesurf.fr> Date: Wed, 17 Sep 2003 12:16:59 +0200 (CEST) From: To: X-Priority: 3 In-Reply-To: <1063786523.3f68181b5b001@localhost> References: <1063786523.3f68181b5b001@localhost> Importance: Normal X-MSMail-Priority: Normal X-Mailer: SquirrelMail (version 1.2.5) MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit cc: kai@freshx.de Subject: Re: pppoe - nmap - No buffer space available X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Sep 2003 10:17:01 -0000 I tried with a ping in parallel to the nmaped machine and the same error message happens. ppp bug ? pppoe bug ? > Hi terry, > > i can corroborate this problem, with 4.x AND 5.x, without beeing the > network interface down. We are also using a pppoe link outsides, and i > can do a ping in parallel, which is working continously, so the tun0 > stays online. > > My theorie is, that he keeps the sockets open in state "TIME_WAIT", and > this takes too long for the fast nmap scans. > > cheers Kai > >> pilax@freesurf.fr wrote: >> > sendto in send_tcp_raw: sendto(3, packet, 40, 0, X.X.X.X, 16) => No >> > buffer space available >> >> Your interface is down. This happens all the time. >> >> If you use PPP on a dialup modem with a normal net connection, >> and unplug the modem while you are doing a ping, you will see >> the same thing. >> >> The easiest fix is "don't send packets out routes that transit >> interfaces which are not up". >> >> -- Terry >> _______________________________________________ >> freebsd-hackers@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >> To unsubscribe, send any mail to >> "freebsd-hackers-unsubscribe@freebsd.org" >> >> ---------------------------------------------------------------- Ce service de mailing vous est offert par http://www.freesurf.fr. FreeSurf, votre acces ADSL a partir de 29 euros/mois http://www.freesurf.fr/adsl/