Date: Wed, 19 Feb 2014 00:20:23 +0900 (JST) From: SAITOU Toshihide <toshi@ruby.ocn.ne.jp> To: lists@jnielsen.net Cc: freebsd-ipfw@freebsd.org Subject: Re: something is wrong after 9.2 to 10.0 Message-ID: <20140219.002023.205359736.toshi@ruby.ocn.ne.jp> In-Reply-To: <845B3D92-A997-4872-AFBB-BCC23D96CD10@jnielsen.net> References: <20140215.123424.159647737.toshi@ruby.ocn.ne.jp> <845B3D92-A997-4872-AFBB-BCC23D96CD10@jnielsen.net>
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In message: <845B3D92-A997-4872-AFBB-BCC23D96CD10@jnielsen.net>
John Nielsen <lists@jnielsen.net> writes:
> On Feb 14, 2014, at 8:34 PM, SAITOU Toshihide <toshi@ruby.ocn.ne.jp> wrote:
>
>> I'm using FreeBSD as desktop and also using as nat gateway.
>> After update from 9.2 to 10.0, some network problem occurs
>> on this desktop machine's environment.
>>
>> - Sometimes email transmission failed with
>> `stat=Deferred: 452', maybe when the size is large.
>>
>> - Firefox failed to post a form of web page on https.
>>
>> - Cadaver is no longer able to put file.
>>
>> But if I delete the following rule, the problem don't occur.
>>
>> 00050 352686 304039811 nat 123 ip4 from any to any via alc0
>>
>> And the related rc.conf entry is here:
>>
>> firewall_enable="YES"
>> firewall_type="open"
>> firewall_quiet="NO"
>> firewall_logging="YES"
>> firewall_nat_enable="YES"
>> firewall_nat_interface="alc0"
>>
>> Is there any clue?
>
> I saw a similar problem when using NAT on a TSO-enabled interface in FreeBSD 10. Try running "ifconfig alc0 -tso" and/or adding "-tso" to the ifconfig_alc0 entry in your /etc/rc.conf. See also the related entry in the BUGS section at the end of ipfw(8) man page.
>
> JN
Wow! "ifconfig alc0 -tso" solves the problem.
Thank you!
--
SAITOU Toshihide
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