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Article #272strange behaviour of pflog - to much logging :-)
From: rafalslezak
Date: Sat, 11 Apr 2009 14:17
Date: Sat, 11 Apr 2009 14:17
72 lines
4155 bytes
4155 bytes
Situation is very simple I log only block rules, but when i tcpdump pflog0 interface i saw pass rules are logged to, why ? there is no "log" syntax in pass rules tcpdump -i pflog0 15:33:48.264883 rule 122/8(ip-option): pass in on fxp0: 192.168.1.9 > 224.0.0.22: igmp v3 report, 1 group record(s) 15:33:48.307721 rule 122/8(ip-option): pass in on fxp0: 192.168.1.9 > 224.0.0.22: igmp v3 report, 1 group record(s) 15:33:48.324948 rule 122/8(ip-option): pass in on fxp0: 192.168.1.9 > 224.0.0.22: igmp v3 report, 1 group record(s) 15:33:52.287771 rule 122/8(ip-option): pass in on fxp0: 192.168.1.9 > 224.0.0.22: igmp v3 report, 1 group record(s) 15:33:52.290652 rule 122/8(ip-option): pass in on fxp0: 192.168.1.9 > 224.0.0.22: igmp v3 report, 1 group record(s) 15:33:52.443273 rule 122/8(ip-option): pass in on fxp0: 192.168.1.9 > 224.0.0.22: igmp v3 report, 1 group record(s) serwer# pfctl -vvsr | grep log set loginterface $ext_if @0 block drop in log quick from <ssh_bruteforce:0> to any @1 block drop out log quick from any to <ssh_bruteforce:0> @2 block drop in log quick on fxp1 from <iana_reserved:41> to any @3 block drop out log quick on fxp1 from any to <iana_reserved:41> @4 block return-rst log quick on fxp1 proto tcp all flags /S @5 block return-rst log quick on fxp1 proto tcp all flags A/A @6 block drop log all @7 block return-rst log inet proto tcp all @8 block return-icmp(port-unr) log inet proto udp all @9 block return-rst in log quick on fxp1 proto tcp from any to any port = sunrpc @10 block return-rst in log quick on fxp1 proto tcp from any to any port = socks @11 block return-rst in log quick on fxp1 proto tcp from any to any port = x11 @12 block return-rst in log quick on fxp1 proto tcp from any to any port = ircd @13 block return-icmp(port-unr, port-unr) in log quick on fxp1 proto udp from any to any port 135 >< 139 @14 block return-icmp(port-unr, port-unr) in log quick on fxp1 proto udp from any to any port = ms-sql-m @15 block return-icmp(port-unr, port-unr) in log quick on fxp1 proto udp from any to any port = microsoft-ds @16 block return-icmp(port-unr, port-unr) out log quick on fxp1 proto udp from any to any port 135 >< 139 @17 block return-icmp(port-unr, port-unr) out log quick on fxp1 proto udp from any to any port = ms-sql-m @18 block return-icmp(port-unr, port-unr) out log quick on fxp1 proto udp from any to any port = microsoft-ds @19 block drop out log quick on fxp1 inet from ! 80.53.140.166 to any pfctl -vvsr | grep @122 @122 pass in on fxp0 inet from 192.168.1.9 to any flags S/SA keep state label "client33" queue 33_in (local client, going throught nat to internet) fxp0 - internal interface - 192.168.1.0/24 fxp1 - public interface - IP from ISP uname -a FreeBSD serwer 7.2-PRERELEASE FreeBSD 7.2-PRERELEASE #3: Fri Apr 10 15:37:55 CEST 2009 klikacz@serwer:/usr/obj/usr/src/sys/GENERIC i386 kernel GENERIC + ALTQ (nothing more) any idea ?
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X-Google-Thread: ff4ef,2588af0781cf16d6,start X-Google-Attributes: gidff4ef,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news1.google.com!postnews.google.com!s20g2000vbp.googlegroups.com!not-for-mail From: rafalslezak@gmail.com Newsgroups: bit.listserv.openbsd-pf Subject: strange behaviour of pflog - to much logging :-) Date: Sat, 11 Apr 2009 07:17:10 -0700 (PDT) Organization: http://groups.google.com Lines: 72 Message-ID: <afb9947f-6733-4781-96ea-88a91b4ded2e@s20g2000vbp.googlegroups.com> NNTP-Posting-Host: 80.53.140.166 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Trace: posting.google.com 1239459430 26260 127.0.0.1 (11 Apr 2009 14:17:10 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Sat, 11 Apr 2009 14:17:10 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: s20g2000vbp.googlegroups.com; posting-host=80.53.140.166; posting-account=WU0u4AoAAABEKv-WSXV9_me0wVKhNfgr User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; pl; rv:1.9.0.8) Gecko/2009032609 Firefox/3.0.8,gzip(gfe),gzip(gfe)