Furthermore, nodes that think they're being smart and protecting their nodes and the network by filtering out who can access their OR ports... aren't... because
I strongly agree with grarpamp.
Relay operators, do NOT block the IP addresses of the following guards in your firewall:
188.214.30.159 188.214.30.234 188.214.30.220 188.214.30.133 188.214.30.98 188.214.30.124 188.214.30.166 188.214.30.126 188.214.30.143 188.214.30.141
Hidden Service operators, and private guards operators protecting yours Hidden Services, if you believe it is better safe than sorry, I strongly advise on blocking the above IP addresses in your firewall, while they are not pulled out of the network.
cheers.
x9p