public static boolean passesBlocklist(@Nonnull final ServletRequest req) {
        // In a proxied setup, org.jivesoftware.openfire.container.AdminConsolePlugin.ADMIN_CONSOLE_FORWARDED should be
        // set to 'true' to have the below report the true 'peer' address.
        final String remoteAddr = removeBracketsFromIpv6Address(req.getRemoteAddr());
        final boolean result = !IpUtils.isAddressInAnyOf(remoteAddr, IP_ACCESS_BLOCKLIST.getValue());
        Log.debug("IP address '{}' {} pass the block list.", remoteAddr, result ? "does" : "does not");
        return result;
    }
Verifies that the remote address of the request is <em>not</em> on the blocklist.

If this method returns 'false', the request should not be allowed to be serviced.

@param req The request for which the check the remote address.
@return true if the remote address of the request is not on the blacklist.
xmppserver/src/main/java/org/jivesoftware/admin/AuthCheckFilter.java