Date: Wed, 21 Mar 2001 15:02:44 -0600 From: Bill Fumerola <billf@mu.org> To: Paul Richards <paul@FreeBSD.org> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/netinet ip_fw.c Message-ID: <20010321150244.F2567@elvis.mu.org> In-Reply-To: <200103210819.f2L8JWm19214@freefall.freebsd.org>; from paul@FreeBSD.org on Wed, Mar 21, 2001 at 12:19:32AM -0800 References: <200103210819.f2L8JWm19214@freefall.freebsd.org>
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On Wed, Mar 21, 2001 at 12:19:32AM -0800, Paul Richards wrote: > Modified files: > sys/netinet ip_fw.c > Log: > Only flush rules that have a rule number above that set by a new > sysctl, net.inet.ip.fw.permanent_rules. > > This allows you to install rules that are persistent across flushes, > which is very useful if you want a default set of rules that > maintains your access to remote machines while you're reconfiguring > the other rules. > > Reviewed by: Mark Murray <markm@FreeBSD.org> Ugh. If you're configuring remote machines with a default deny rule instead of explcitly adding a deny rule you might want to reconsider. Please back this out. -- Bill Fumerola - security yahoo / Yahoo! inc. - fumerola@yahoo-inc.com / billf@FreeBSD.org hint: if you really want to do this, add IP_FW_F_FLUSHPROOF (or whatever) to the flags of struct ip_fw->fw_flg, that would make much more sense. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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