On Mon, Jun 03, 2002 at 01:59:13AM -0400, Nguyen-Tuong Long Le wrote: > Hi all, > > Our group has a proprietary web server that can handle 10000 requests/s > under FreeBSD 4.3 release. We recently upgraded our system to 4.5 and got > very poor performance. While the web server runs, I see lots of messages > similar to the following on the console > "Limiting open port RST response from 1068 to 200 packets per second". > > The problem seems to be related to the syncache implementation > that drops incoming SYN segments.
4.5-RELEASE included a new feature, syncookies try turning it off: net.inet.tcp.syncookies: 0 you might also need to patch the kernel: ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-02%3A20.syncache.asc --clark To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-net" in the body of the message
