Date: Fri, 7 Sep 2001 12:42:45 -0700 (PDT) From: Julian Elischer <julian@elischer.org> To: Thibault Bautze <rws_pd@gmx.de> Cc: freebsd-net@freebsd.org Subject: Re: nat problems Message-ID: <Pine.BSF.4.21.0109071241380.34932-100000@InterJet.elischer.org> In-Reply-To: <002101c137cd$f9a5caa0$817b7b7b@my.network.net>
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On Fri, 7 Sep 2001, Thibault Bautze wrote: > > I found that you cannot ping this sites, even if I'm sitting on the firewall > or connectet with my > windows box directly to the internet. > Here is the result for a ping: > > # ping www.gmx.de > PING www.gmx.de (213.165.65.100): 56 data bytes > 36 bytes from 62.156.128.226: Communication prohibited by filter > Vr HL TOS Len ID Flg off TTL Pro cks Src Dst > 4 5 00 5400 00ff 0 0000 fa 01 8d4c 217.1.yy.xx 213.165.65.100 > --- www.gmx.de ping statistics --- > 16 packets transmitted, 0 packets received, 100% packet loss > > 62.156.128.226 is in this case the other side of the ppp tunel, my ISP ( > t-online, > Germany if it can help ) > > But I'm not sure if it makes a difference, if you can ping them or not. I > got > the same result with ping www.microsoft.com ( bad example, I know ; ) ) , > but I can open this site on my > freebsd or windows box. It makes a difference because the firewall is blocking ICMP which is used to allow the maximum packet size negotiation. > > > Thanks, > Thibault Bautze > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-net" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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