Hi Simon,
> Hi,Lists, > I found haproxy 1.4.25 can not set mss on FreeBSD 10-stable as below: > > # /usr/local/sbin/haproxy -f /opt/etc/haproxy.conf > [WARNING] 132/170407 (71806) : Starting frontend http-in: cannot set MSS The set MSS code is straightforward, its your OS' TCP stack that doesn't let you do this. Did this work in older release of HAproxy? I don't think so. Check this out, it seems FreeBSD doesn't support settings MSS on listening sockets: http://www.freebsd.org/cgi/query-pr.cgi?pr=144000 Regards, Lukas