Date: Tue, 3 Jan 2017 19:28:03 +0300 (MSK) From: Maxim Konovalov <maxim.konovalov@gmail.com> To: Warren Block <wblock@wonkity.com> Cc: Warren Block <wblock@FreeBSD.org>, doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: Re: svn commit: r49600 - head/en_US.ISO8859-1/books/handbook/firewalls Message-ID: <alpine.BSF.2.20.1701031927070.83306@mp2.macomnet.net> In-Reply-To: <alpine.BSF.2.20.1701022145290.98030@wonkity.com> References: <201610281531.u9SFVL7u096914@repo.freebsd.org> <alpine.BSF.2.20.1701021904430.83306@mp2.macomnet.net> <alpine.BSF.2.20.1701022145290.98030@wonkity.com>
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> > Hi Warren, > > > > On Fri, 28 Oct 2016, 15:31-0000, Warren Block wrote: > > > > [...] > > > # Allow outbound NTP > > > -$cmd 00260 allow tcp from any to any 37 out via $pif setup > > > keep-state > > > +$cmd 00260 allow udp from any to any 123 out via $pif setup > > > keep-state > > > > > > # Allow outbound SSH > > > $cmd 00280 allow tcp from any to any 22 out via $pif setup > > > keep-state > > > > > Are you sure about this change? NTP is UDP based protocol. In the > > same time "setup" is TCP only feature (why ipfw(8) allows it to use in > > conjunction with the UDP proto is a different story) > > > > I think the comment is what should be fixed here. > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=213365 suggested merely > changing this to UDP 123. I don't use IPFW, so can't verify the actual usage. > Help would be appreciated. > I'd remove the "setup" keyword from the command. Let me know if I can go ahead with this change. -- Maxim Konovalov
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