Re[4]: Seems like pf skips some packets.

2007-07-15 Thread Alexey Sopov
Setting are loaded in pf via /etc/rc.d/pf start Why do these things differ? EC These are the timeout settings for set optimization aggressive. If EC it appears after your set timeout lines, then it will take EC precedence. If this doesn't appear within your pf.conf, then this EC probably

Re: Seems like pf skips some packets.

2007-07-15 Thread Alexey Sopov
Fresh news. I've noticed all unblocked packets have tcp window suggestion set to 0 (zero). I tried to block these packets on external interface: ~sudo ipfw add 10 deny log tcp from 192.168.0.0/16 to any via external out tcpwin 0 This rule is the first rule in ipfw. Then I looked for such

Re: Re[2]: Seems like pf skips some packets.

2007-07-13 Thread Edward Carrel
On Jul 13, 2007, at 2:17 AM, Alexey Sopov wrote: While thinking about why it happens once in 5 seconds and has only ACK bit set, I tried to check some timeout variables and found interesting thing. These lines are in /etc/pf.conf: set timeout { tcp.first 120, tcp.opening 30, tcp.established

Re[2]: Seems like pf skips some packets.

2007-07-13 Thread Alexey Sopov
While thinking about why it happens once in 5 seconds and has only ACK bit set, I tried to check some timeout variables and found interesting thing. These lines are in /etc/pf.conf: set timeout { tcp.first 120, tcp.opening 30, tcp.established 86400 } set timeout { tcp.closing 900, tcp.finwait 45,

Re[2]: Seems like pf skips some packets.

2007-07-13 Thread Alexey Sopov
Why these packets weren't translated by pf nat rules or filtered by pf block rule? Note they appear once in five seconds. Tried to modify frag parameter, but this didn't help. Also I noticed they all have ACK bit set. Thank you. SU What is the date of your build (uname -a). There was a

Seems like pf skips some packets.

2007-07-12 Thread Alexey Sopov
Hi On my machine with FreeBSD 6.2-STABLE #4 I noticed there are outgoing packets from net 192.168.0.0/16 on external interface Some details: Here 1 a,b,c,d,e,f 254 ~ ifconfig internal internal: flags=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST mtu 1500

Re: Seems like pf skips some packets.

2007-07-12 Thread Scott Ullrich
On 7/12/07, Alexey Sopov [EMAIL PROTECTED] wrote: Hi On my machine with FreeBSD 6.2-STABLE #4 I noticed there are outgoing packets from net 192.168.0.0/16 on external interface Some details: Here 1 a,b,c,d,e,f 254 ~ ifconfig internal internal: