Hativ, Willy, Am 04.04.20 um 12:41 schrieb Tim Düsterhus: > The Dovecot source code is here: > https://github.com/dovecot/core/blob/de9968d623e331a18b43dfe8a00421f72f7f7962/src/lib-master/master-service-haproxy.c#L354 > > A quick glance at the Dovecot code looks like Dovecot parses the proxy > protocol correctly with regard to TLVs.
I spoke too soon here. Dovecot ignores the addresses as it should for LOCAL (i.e. health check) connections [1] and then attempts to parse the TLV, interpreting the IP addresses as a TLV [2]. From my understanding HAProxy sends IP addresses for LOCAL connections for compatibility. Best regards Tim Düsterhus [1] https://github.com/dovecot/core/blob/de9968d623e331a18b43dfe8a00421f72f7f7962/src/lib-master/master-service-haproxy.c#L386-L390 [2] https://github.com/dovecot/core/blob/de9968d623e331a18b43dfe8a00421f72f7f7962/src/lib-master/master-service-haproxy.c#L456
