Re: Problem with Code Red II and HTTP Accept Filtering

2001-08-07 Thread Bill Fumerola
On Wed, Aug 08, 2001 at 01:15:31PM +0800, David Xu wrote: > my opinion is don't use accept filter, it can become DOS attack target. > sending a big http header and don't complete it, it does not let apache know a >connection > is already made and there is no timeout counter like which in Apache

Re: Problem with Code Red II and HTTP Accept Filtering

2001-08-07 Thread Julian Elischer
Christopher Ellwood wrote: > > On Tue, 7 Aug 2001, Alfred Perlstein wrote: > > > This is somewhat true, however your machine seems to be configured > > quite poorly. > > > > Having a low amount of NMBCLUSTERS (1024) and at the same time keeping > > an unbounded (or at least large) listen queue (

Re: Problem with Code Red II and HTTP Accept Filtering

2001-08-07 Thread Christopher Ellwood
On Tue, 7 Aug 2001, Alfred Perlstein wrote: > This is somewhat true, however your machine seems to be configured > quite poorly. > > Having a low amount of NMBCLUSTERS (1024) and at the same time keeping > an unbounded (or at least large) listen queue (listen(fd,-1)) is > not advised, especially

Re: Problem with Code Red II and HTTP Accept Filtering

2001-08-07 Thread David Xu
my opinion is don't use accept filter, it can become DOS attack target. sending a big http header and don't complete it, it does not let apache know a connection is already made and there is no timeout counter like which in Apache server. using an accept filter can not get so much benifit. --

Re: Problem with Code Red II and HTTP Accept Filtering

2001-08-07 Thread Alfred Perlstein
* Christopher Ellwood <[EMAIL PROTECTED]> [010807 23:42] wrote: > The Code Red II worm seems to have a negative impact on FreeBSD machines > with HTTP Accept Filtering enabled either statically in the kernel or via > modules. > > The man page for accf_http states that: > > It prevents the a

Problem with Code Red II and HTTP Accept Filtering

2001-08-07 Thread Christopher Ellwood
The Code Red II worm seems to have a negative impact on FreeBSD machines with HTTP Accept Filtering enabled either statically in the kernel or via modules. The man page for accf_http states that: It prevents the application from receiving the connected descriptor via accept() until eit

Re: possible duplicated free in kernel

2001-08-07 Thread David Xu
Why don't you report it via PR? I suspect most patches will be lost in this mailling list. -- David Xu - Original Message - From: )> To: <[EMAIL PROTECTED]> Sent: Tuesday, August 07, 2001 8:44 PM Subject: possible duplicated free in kernel > (Probably I have to make a PR...,) > >

Re: NFS and WAN ?

2001-08-07 Thread Andrew Reid
On 05 Aug 2001 23:49:37 -0500, Bill Fumerola wrote: > > I use PPP over SSH when doing this sort of thing. Quick and easy. > > ... and absolutly horrible in times of packet loss or heavy latency. Indeed. But, it *does* make for a quick and easy VPN in a situation where IPSec is, er, "overkill".

TCP windows and vlans?

2001-08-07 Thread Daniel C. Sobral
I'm observing the following problem: in a TCP connection between host F3 and any other host, the connection will stop when the TCP window first drops below the average packet length. The only thing that sets F3 apart is the fact that any connection to it is done through a vlan interface. I hav

Re: TCP problems with large window sizes on FreeBSD (GigaTCP)

2001-08-07 Thread Kenneth D. Merry
On Thu, Aug 02, 2001 at 17:08:32 -0400, stanislav shalunov wrote: > stanislav shalunov <[EMAIL PROTECTED]> writes: > > > I'll try increasing the value of TI_JSLOTS to 8192 (twice the number > > of 4K packets in 16MB window) and see if it makes a difference. > > FWIW, this seems to have improved

Welcome to the freebsd-lists-for-dayan-only group

2001-08-07 Thread freebsd-lists-for-dayan-only Moderator
Hello, I've added you to my freebsd-lists-for-dayan-only group at eGroups, a free, easy-to-use email group service. As a member of this group, you may send messages to the entire group using just one email address: [EMAIL PROTECTED] eGroups also makes it easy to store photos and files, coordina

arp...

2001-08-07 Thread Marcelo Leal
the windows and freebsd machines are loosing the arp adress of my dhcpd server still... have the switch one arp table??? may not be the arp address of my old dhcp server that the switch is mismatching??? my freebsd box (client), is with one arp address of my server that i don't know why help

possible duplicated free in kernel

2001-08-07 Thread JINMEI Tatuya / 神明達哉
(Probably I have to make a PR...,) The latest RELNEG_4 version (rev. 1.7.2.4) of sys/netinet6/raw_ip6.c has the following code fragment: rip6_output() ... freectl: if (optp == &opt && optp->ip6po_rthdr && optp->ip6po_route.ro_rt) RTFREE(optp->ip6po_route.ro_rt);