The OpenBSD project provides a CVSWeb interface[1] and a GitHub mirror[2]. The portable OpenSSH project[2] that most of the world gets their OpenSSH from uses a Git repo[4] that also has a Web interface (at the same address) and a GitHub mirror[5]. Per the code there[6], the default configuration seems to be

  PerSourcePenalties crash:90 authfail:5 noauth:1 grace-exceeded:20 max:600 min:15 max-sources:65536 overflow:permissive

[1] https://cvsweb.openbsd.org/

[2] https://github.com/openbsd/src

[3] https://www.openssh.com/portable.html

[4] https://anongit.mindrot.org/openssh.git

[5] https://github.com/openssh/openssh-portable

[6] https://anongit.mindrot.org/openssh.git/tree/servconf.c?id=0...