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@@ -41,6 +41,27 @@ The `preferred_lft 0` is important to mark the address as a deprecated address. This means only use the address for incoming connections; not for outgoing. +UBUNTU 18 NOTES ON NFQUEUE HANGS +-------------------------------- + +We're seeing reports of the daemon wedging. So far, my observations +on my own ubuntu 18 system are that the recv() calls against the +iptables nfqueue hang. + +The master branch (not pushed to the rsync server) specifically +adds in a watchdog function; after a configurable numbrer of seconds, +it will disconnect the nfqueue and reattach. If it does this +too many times, it will abort. + +You can tune this with these options: + + -w 60 - How long we can go without seeing a packet + -W 1440 - How many times we can reset the socket without seeing a pocket + +For most of you, I'm monitoring your web sites. At minimum I should +be hitting your mirror once every 30 minutes; somehow you should +see and accept traffic in the time above (1 day!). + REQUIREMENTS ------------ |