Date: Sun, 09 Mar 2008 17:45:43 +0000 From: roy lee <dotyao@gmail.com> To: Manolis Kiagias <sonicy@otenet.gr> Cc: freebsd-questions@freebsd.org Subject: Re: Large numbers of Limiting open port RST response from 6 to 5 packets/sec Message-ID: <47D42247.103@gmail.com> In-Reply-To: <47D3ABD0.5090108@otenet.gr> References: <47D40943.5080802@gmail.com> <47D3ABD0.5090108@otenet.gr>
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Manolis Kiagias 写道: > > > roy lee wrote: >> this is a web server,use nginx, Large numbers of Limiting >> open port RST response from 6 to 5 packets/sec. >> >> I need help. >> >> dmesg： >> Limiting open port RST response from 11 to 5 packets/sec >> Limiting open port RST response from 6 to 5 packets/sec >> Limiting open port RST response from 8 to 5 packets/sec >> Limiting open port RST response from 6 to 5 packets/sec >> Limiting open port RST response from 8 to 5 packets/sec >> Limiting open port RST response from 7 to 5 packets/sec >> Limiting open port RST response from 7 to 5 packets/sec >> Limiting open port RST response from 14 to 5 packets/sec >> Limiting open port RST response from 11 to 5 packets/sec >> Limiting open port RST response from 9 to 5 packets/sec >> Limiting open port RST response from 12 to 5 packets/sec >> Limiting open port RST response from 6 to 5 packets/sec >> ....... >> >> uname -a >> FreeBSD qz14253.tmdxy.org 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Sat Mar >> 8 20:41:05 UTC 2008 roy@qz14253.tmdxy.org:/usr/obj/usr/src/sys/ >> qz2kernel i386 >> >> <SNIP> >> >> sysctl.conf: >> net.inet.icmp.drop_redirect=1 >> net.inet.icmp.log_redirect=1 >> net.inet.tcp.msl=2500 >> net.inet.icmp.icmplim=5 >> kern.ipc.somaxconn=32768 >> kern.ipc.shmall=32768 >> kern.ipc.shmmax=134217728 >> kern.ipc.semmap=256 >> >> <SNIP> > ICMP packets are rate-limited by the kernel, but you limited them even > more with this: > > net.inet.icmp.icmplim=5 > > This is the cause of your messages. Adjust it to about 500. > > if sysctl net.inet.icmp.icmplim=500 ， the services will stop， twisted log : writev() failed (32: Broken pipe) while sending request to upstream
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