Debug mode on, the PCAP rule shows the correct secondary IP, but it will not actually detect the knock on that IP.
Adding pcap expression for door '25568': (dst host xx.xx.xx.76 and (((tcp dst port 25568 or 25568 or 25568) and tcp[tcpflags] & tcp-syn != 0))) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1873186 Title: knockd does not work on additional IP address of a NIC To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/knockd/+bug/1873186/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
