We keep getting alerts from because of the following errors in the CUPS
E [04/Mar/2021:08:43:01 -0500] error:14094416:SSL routines:ssl3_read_bytes:sslv3 alert certificate unknown E [04/Mar/2021:16:51:00 -0500] Unable to encrypt connection from 10.100.0.79.
In RHEL 6, we are receiving the following errors in the CUPS
E [25/May/2021:12:30:23 -0400] Unable to encrypt connection from 10.146.100.12 - A TLS fatal alert has been received.
Whenever we try to connect to CUPS via the
https://URI to perform administrative functions, our Chrome browser shows an error like the following:
https://10.1.8.4:631/admin This site can’t provide a secure connection 10.1.8.4 sent an invalid response. Try running Windows Network Diagnostics. ERR_SSL_PROTOCOL_ERROR
- Red Hat Enterprise Linux (RHEL), all versions
- Common Unix Printing System (CUPS), all versions
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.