On Sun, Jan 25, 2026 at 03:09:32PM +0100, Frank Wall wrote: > Subject: TCP DNS no longer supported? > Hi, > > in HAProxy 3.0.12 the following resolvers configuration seems to work fine: > > resolvers test_resolvers > nameserver ns3 [email protected]:53 > nameserver ns4 [email protected]:53 > > However, HAProxy 3.2.8 issues an error for the same configuration: > > [ALERT] (94434) : config : parsing [/usr/local/etc/haproxy.conf:90] : > 'nameserver ns4' : unsupported stream protocol for stream family 2 address > '[email protected]:53' > > Was support for TCP DNS removed? Or am I doing something wrong? > > I've read the release notes for 3.1.0 and 3.2.0, but couldn't find anything > related to this issue. > >
HAProxy still supports this, and I couldn't reproduce the problem with haproxy 3.2.8. Could you share more details about your configuration and haproxy -vv ? You could probably open a github issue to track this problem. Regards, -- William Lallemand

