perl-Plack-Middleware-ReverseProxy from Application:ITS:otobo project
Select Your Operating System
Add repository and install manually
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Application:ITS:otobo/15.4/Application:ITS:otobo.repo zypper refresh zypper install perl-Plack-Middleware-ReverseProxy