On Thursday 22 December 2005 22:17, Max Laier wrote: > On Thursday 22 December 2005 20:12, Bruno Afonso wrote: > > Hey guys (and gals!), > > > > I'm hitting what seems to be a bug on PF @ FreeBSD 6-stable: > > > > 6.0-STABLE FreeBSD 6.0-STABLE #0: Sun Nov 20 05:14:34 WET 2005 > > > > If I do a pfct -vvsS | grep connetions I get some lines like this: > > > > 10.10.11.208 -> 0.0.0.0 ( states 3, connections 4294967295, rate 0.0/0s ) > > 10.10.13.213 -> 0.0.0.0 ( states 2, connections 4294967294, rate 0.0/0s ) > > > > 10.10.14.236 -> 0.0.0.0 ( states 96, connections 4294967013, rate 0.0/0s > > ) 10.10.12.238 -> 0.0.0.0 ( states 9, connections 4294967281, rate 0.0/0s > > ) > > > > I also get a normal number of connections, like 2, 10, 20, 30, etc. Now, > > this number is completely insane, specially if we take into account the > > rule that creates it: > > > > ala# pfctl -vvsS |grep 10.10.11.208 -A1 > > 10.10.11.208 -> 0.0.0.0 ( states 1, connections 1, rate 0.0/0s ) > > age 02:22:00, 657 pkts, 39752 bytes, filter rule 171 > > -- > > 10.10.11.208 -> 0.0.0.0 ( states 1, connections 4294967295, rate 0.0/0s ) > > age 02:22:15, 618 pkts, 52535 bytes, filter rule 148 > > > > ala# pfctl -vvsr |grep @148 -A1 > > @148 pass in log on fxp0 from <torre_privados_nat:7> to any keep state > > (max 5000, source-track rule, max-src-states 120, max-src-conn 100) > > queue p2p > > [ Evaluations: 43699 Packets: 353469 Bytes: 122287213 > > States: 210 ] > > > > > > I have been seeing this on rules in which I use max-src-conn but not on > > others. So, what might be happening here? hasn't no one seen this > > before? Also notice how similar the connections are, with the first 7 > > numbers equal. > > This is a underflow of the connection counter which is fixed in OpenBSD's > pf.c rev. 1.499. Unfortunately, the fix involves breaking ABI and thus is > not easily imported. Here is a local fix - please try and report back.
FYI: Committed to HEAD, MFC count down 3 days - please test! -- /"\ Best regards, | [EMAIL PROTECTED] \ / Max Laier | ICQ #67774661 X http://pf4freebsd.love2party.net/ | [EMAIL PROTECTED] / \ ASCII Ribbon Campaign | Against HTML Mail and News
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