|
some of our users have complained about icmp bursts.
Look at a sample of tcpdump, as run on one of the RealServers.
What would cause this? Sometimes the storms are far more intense.
21:06:08.200059 RealServerIP > 152.202.84.194: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:09.065209 RealServerIP > 209.255.160.237: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:10.476806 RealServerIP > 202.87.2.226: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xc0]
21:06:10.480381 RealServerIP > 151.190.254.220: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:10.660913 RealServerIP > 152.200.181.239: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:10.832215 RealServerIP > 210.104.230.251: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:11.020093 RealServerIP > 24.147.152.6: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xc0]
21:06:12.883046 RealServerIP > 202.77.180.91: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xc0]
21:06:13.141958 RealServerIP > 128.208.38.114: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:13.423826 RealServerIP > 128.2.164.243: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xc0]
21:06:13.593434 RealServerIP > 152.202.84.194: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:13.889778 RealServerIP > 208.178.117.189: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:14.284105 RealServerIP > 164.164.12.10: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xd0]
21:06:14.769877 RealServerIP > 208.178.117.189: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:14.927027 RealServerIP > 203.238.128.19: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:15.234445 RealServerIP > 195.223.214.3: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xc0]
21:06:15.265182 RealServerIP > 200.41.130.13: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xc0]
21:06:15.708456 RealServerIP > 63.23.15.219: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xc0]
21:06:15.880651 RealServerIP > 193.89.17.129: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xc0]
21:06:16.085057 RealServerIP > 128.208.38.114: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:16.114940 RealServerIP > 203.96.111.196: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:16.217434 RealServerIP > 209.153.80.126: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:16.489289 RealServerIP > 164.164.12.10: icmp: VirtualServerIP tcp port 80
unreachable [tos 0xd0]
21:06:17.326488 RealServerIP > 210.183.28.102: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
21:06:17.582616 RealServerIP > 202.135.142.197: icmp: VirtualServerIP tcp port
80 unreachable [tos 0xc0]
(Using HORMS' redirect method on the RealServer)
/sbin/ipchains -I input -j REDIRECT 80 -d 0.0.0.0/0.0.0.0 80 -p tcp
----------------------------------------------------------------------
LinuxVirtualServer.org mailing list - lvs-users@xxxxxxxxxxxxxxxxxxxxxx
To unsubscribe, e-mail: lvs-users-unsubscribe@xxxxxxxxxxxxxxxxxxxxxx
For additional commands, e-mail: lvs-users-help@xxxxxxxxxxxxxxxxxxxxxx
|
