Re: ssl: unsafe legacy renegotiation

Google the error and solution. Either update SSL on the cable modem “server” if you can or modify Monit (the client) yourself. 


> On 9 Feb 2023, at 14:29, sashk via This is the general mailing list for monit <[email protected]> wrote:
> 
> Hello,
> 
> I have a very old device, which I cannot replace, but would like to monitor. It uses TLSv1 for SSL and I’d like to check that it is online by querying its https port. I have following check:
> 
> check host cable_modem with address 192.168.1.1
>     if failed port 443 protocol https status = 200 with ssl options {version: TLSV1, verify: disable} for 2 cycles then alert
> 
> But when monit checks, it reports following error:
> 
> failed protocol test [HTTP] at [192.168.1.1]:443 [TCP/IP TLS] -- SSL connection error: error:0A000152:SSL routines::unsafe legacy renegotiation disabled
> 
> Is there a way to allow unsafe legacy renegotiation only for this particular check? It seems re-configuring OpenSSL it is possible to do systemwide, but I would like to avoid doing so.
> 
> Thanks in advance