Date: Sat, 10 May 2014 15:14:58 -0700 (PDT) From: "Chris H" <bsd-lists@bsdforge.com> To: "Doug Hardie" <bc979@lafn.org> Cc: freebsd-pf@freebsd.org Subject: Re: Unexpected pf behavior Message-ID: <3d5ba75b4ddd0bbc57725279b9ad2872.authenticated@ultimatedns.net> In-Reply-To: <7782AB7B-59BC-4A31-95FA-3EDF408AA507@lafn.org> References: <7782AB7B-59BC-4A31-95FA-3EDF408AA507@lafn.org>
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> I have a pf rule (FreeBSD 9.2) that uses a table to block access from specific networks. > This morning I found the following situation: > > 12 attempts from an address in one of the blocked network to access the server. All were > blocked and marked as such with the proper rule number in pflog. > > 10 succeeding connections that were passed through to the port. These were logged by the > process listening on that port. > > There were no changes to the rules, reboots, etc. during that time. This all transpired in > about 10 minutes. A dump of the table shows the proper address range. I am not logging the > pass throughs so only the original 12 blocks are in the logs. I have never seen anything > like this in the past. Is there some way I can test a specific IP address and have pf tell > me what it would do if it received a packet from that address? As memory serves pfctl(8) provides some info in the examples section. Also net/wireshark, tcpdump(1) may also be of interest to you. HTH --Chris > > > _______________________________________________ > freebsd-pf@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-pf > To unsubscribe, send any mail to "freebsd-pf-unsubscribe@freebsd.org" >
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