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Tons of nginx errors almost every day in logs

Hello
What makes this weird is that port 4137 is not open, only 4100 and 443 are open, so shouldn't I be seeing a generic (Unhandled External Packet-00) message instead of gobs of these:

wrapper[2072]: nginx: 2022/03/07 15:51:44 [crit] 2125#0: *3044 SSL_do_handshake() failed (SSL: error:1420918C:SSL routines:tls_early_post_process_client_hello:version too low) while SSL handshaking, client: 54.210.197.10, server: 0.0.0.0:4137

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    james.carsonjames.carson Moderator, WatchGuard Representative

    Hi @pkokkinis
    I'd suggest opening a support case so we can look at this more closely. This could be serving a reject page, but it's hard to tell just from that log.

    -James Carson
    WatchGuard Customer Support

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