Date: Tue, 27 Dec 2005 22:31:48 +0300 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Oleg Tarasov <subscriber@osk.com.ua> Cc: freebsd-net@FreeBSD.org Subject: Re: Router on 6.0-stable fails to route tcp packets due to NAT?? malfunction Message-ID: <20051227193148.GP1496@cell.sick.ru> In-Reply-To: <1945317870.20051227175519@osk.com.ua> References: <1687545235.20051226134150@osk.com.ua> <1122736554.20051226175631@osk.com.ua> <20051227002927.GH1496@FreeBSD.org> <1945317870.20051227175519@osk.com.ua>
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On Tue, Dec 27, 2005 at 05:55:19PM +0200, Oleg Tarasov wrote: O> I have analysed the problem further and came to a conclusion that my O> ISP's server is blocking ICMP type 3 packets what leads to the O> malfunction. O> O> I have the latest version of ported mpd (3.18_3) installed and tried O> to insert O> set iface enable tcpmssfix O> but no positive result, but I understand that this option should help O> in this situation. Unfortunately this options will not help in your situation. It affects only the packets received on the mpd's interface, while you need to alter outgoing packets. I have fixed this in mpd CVS, but this isn't included in any release yet. However, if you are experienced enough with CVS you can grab and compile sources yourself. O> Can you possibly tell me what am I doing wrong? O> I'll say again that setting MTU on client machine to 1492 helps. O> What can be the reason for tcpmssfix option not to be working? Maybe O> there should be an additional kernel module loaded? I didnt find any O> words mentioning usage of tcpmssfix in mpd's log file. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE
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