Cyrus backup: is traffic from master to backup server encrypted?

[Patrick Boutilier]

Just noticed that I am running an older version of Cyrus though.


On 11/8/19 7:35 AM, Patrick Boutilier wrote:
> Odd, works here.
> 
> 
> telnet localhost 2005
> Trying ::1...
> Connected to localhost.
> Escape character is '^]'.
> * SASL PLAIN
> * STARTTLS
> * COMPRESS DEFLATE
> * OK domain Cyrus sync server v2.4.20
> STARTTLS
> OK Begin TLS negotiation now
> 
> 
> 
> 
> On 11/8/19 2:12 AM, Deborah Pickett wrote:
>> ... or do I need to establish my own SSH tunnel from master to backup 
>> server?
>>
>> I've set up my dedicated Cyrus backup server with tls_server_cert and 
>> tls_server_key, and when I connect to port 2005 I see that STARTTLS is 
>> offered:
>>
>> # nc localhost 2005
>> * SASL PLAIN LOGIN DIGEST-MD5
>> * STARTTLS
>> * COMPRESS DEFLATE
>> * OK rsync Cyrus backup server 3.0.11-Debian-3.0.11-1~bpo10+1
>> STARTTLS
>> NO command not implemented
>>
>> But as shown, the STARTTLS command from the client is rejected.
>>
>> I believe that DIGEST-MD5 gives me some level of privacy (sync_test 
>> reports a security strength factor of 128) even without TLS?
>>
>> -- 
>> *Deborah Pickett*
>> System Administrator
>> *Polyfoam Australia Pty Ltd*
>>
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> 
> 
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