> Am 17.05.2018 um 11:47 schrieb Axel Rau <axel....@chaos1.de>: > > Hi, > > a firewall box blocks ICMP packets (from icinga2 hostalive4 check_command) > for 12 minutes. > This happens nearly every night. mtr shows 100% loss on the last hop.
Forwarded traffic is not affected but all traffic to the box itself is blocked during these periods. A reboot after 63 days of uptime seems to have cleared the affect. Axel --- PGP-Key:29E99DD6 ☀ computing @ chaos claudius