Description
Default
Field Type
Or Choices
Field Name
Provides the URL for the Problem Report Tool (PRT).
If you deploy devices with Mobile and Remote Access
through Expressway, you must also add the PRT server
address to the HTTP Server Allow list on the
Expressway server.
For more information, see the
Credentials Persistent for Expressway Sign-In, on page
114
.
String, up to 256
characters
Customer support upload
URL
Disables the selected TLS cipher.
Disable more than one cipher suite by selecting and
holding the
Ctrl
key on your computer keyboard.
None
See
Layer Security Ciphers,
on page 103
.
Disable TLS Ciphers
Related Topics
Configure User Credentials Persistent for Expressway Sign-In
, on page 114
Disable Transport Layer Security Ciphers
You can disable Transport Layer Security (TLS) ciphers with the
Disable TLS Ciphers
parameter. This
allows you to tailor your security for known vulnerabilities, and to align your network with your company's
policies for ciphers.
None is the default setting.
Disable more than one cipher suite by selecting and holding the
Ctrl
key on your computer keyboard. If you
select all of the phone ciphers, then phone TLS service is impacted. Your choices are:
• None
• TLS_RSA_WITH_3DES_EDE_CBC_SHA
• TLS_RSA_WITH_AES_128_CBC_SHA
• TLS_RSA_WITH_AES_256_CBC_SHA
• TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
• TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
• TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
• TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
For more information about phone security, see
Cisco IP Phone 7800 and 8800 Series Security Overview
White Paper
https://www.cisco.com/c/en/us/products/collaboration-endpoints/unified-ip-phone-8800-series/
).
Cisco IP Conference Phone 8832 Administration Guide for Cisco Unified Communications Manager
103
Cisco IP Conference Phone Administration
Disable Transport Layer Security Ciphers