local st = require "util.stanza"; local whitelist = module:get_option_inherited_set("s2s_whitelist", {}); module:hook("route/remote", function (event) if not whitelist:contains(event.to_host) then module:send(st.error_reply(event.stanza, "cancel", "not-allowed", "Communication with this domain is restricted")); return true; end end, 100); module:hook("s2s-stream-features", function (event) if not whitelist:contains(event.origin.from_host) then event.origin:close({ condition = "policy-violation"; text = "Communication with this domain is restricted"; }); end end, 1000);