Re: [fbsd] HEADS UP: FreeBSD 5.3, 5.4, 6.0 EoLs coming soon

2006-10-11 Thread Hugo Koji Kobayashi
Hi, On Wed, Oct 11, 2006 at 12:21:06PM +0200, Jeremie Le Hen wrote: > Hi, > > On Sun, Oct 01, 2006 at 12:30:22AM -0700, FreeBSD Security Officer wrote: > > Users of FreeBSD 4.11 systems are also reminded that that FreeBSD 4.11 > > will reach its End of Life at the end of January 2007 and that the

udp fragmentation with pf/ipf

2007-05-17 Thread Hugo Koji Kobayashi
Hello, While making some tests with fragmented udp DNS responses (with EDNS0), we discovered a possible problem with ipf and pf in FreeBSD 6.2 and 7.0 (200705 snapshot). Our test is a DNS query to an DNSSEC enabled server which replies with a ~4KB udp response. We do this with the following dig

Re: udp fragmentation with pf/ipf

2007-05-18 Thread Hugo Koji Kobayashi
Ok. I understand that, but in FreeBSD 4.11 it works and without the "keep frags" the query is blocked. Is it just a misbehaviour of an old ipf version? And there is also the different behaviour of pf under OpenBSD. As I understand, the "scrub" rule should reassemble the fragments and pass the comp