Hi Syd, > The first of the setups has been running for 2+years, the second has been > running for 2-3 weeks. Both have recently had a number of users are > reporting 504 bad gateway errors from multiple isp's. > [...] > Any tips?
Enable logging and post the exact error message you are seeing: http://cbonte.github.io/haproxy-dconv/configuration-1.4.html#8 Also, you may issue a "show errors" on the unix admin socket: http://cbonte.github.io/haproxy-dconv/configuration-1.4.html#9.2 Regards, Lukas

