zstyle ':completion:*:(ssh|scp|sshfs|mosh|rsync):*' sort false
zstyle ':completion:*:(ssh|scp|sshfs|mosh|rsync):*' group-name ''
zstyle ':completion:*:(ssh|scp|sshfs|mosh|rsync):*' verbose yes

zstyle ':completion:*:(ssh|scp|sshfs|mosh|rsync):*' tag-order 'hosts:-host:host hosts:-domain:domain hosts:-ipaddr:ip\ address *'
zstyle ':completion:*:(scp|sshfs|rsync):*' group-order users files all-files hosts-domain hosts-host hosts-ipaddr
zstyle ':completion:*:(ssh|mosh):*' group-order users hosts-domain hosts-host users hosts-ipaddr

zstyle ':completion:*:(ssh|scp|sshfs|mosh|rsync):*:users' ignored-patterns '*'
zstyle ':completion:*:(ssh|scp|sshfs|mosh|rsync):*:hosts-host' ignored-patterns '*(.|:)*' loopback localhost broadcasthost 'ip6-*' 'hbz*'
zstyle ':completion:*:(ssh|scp|sshfs|mosh|rsync):*:hosts-domain' ignored-patterns '<->.<->.<->.<->' '^[-[:alnum:]]##(.[-[:alnum:]]##)##' '*@*' '*.eeleater.org' '*.hbz-nrw.de'
zstyle ':completion:*:(ssh|scp|sshfs|mosh|rsync):*:hosts-ipaddr' ignored-patterns '^(<->.<->.<->.<->|(|::)([[:xdigit:].]##:(#c,2))##(|%*))' '127.*' '255.255.255.255' '::1' 'fe80::*' 'ff02::*'

[ -r ~/.ssh/known_hosts ] && _ssh_hosts=(${${${${(f)"$(<$HOME/.ssh/known_hosts)"}:#[\|]*}%%\ *}%%,*}) || _ssh_hosts=()
hosts=( "$_ssh_hosts[@]" )
zstyle ':completion:*:hosts' hosts $hosts