GW PN/ASCII...
20
PHOENIX CONTACT
3886_en_A
DH Key pair used by SSL servers:
This is a private/public key pair that is used by
some cipher suites to encrypt the SSL/TLS handshaking messages.
The key or certificate notation changes from
factory
or
none
to
user
when the
GW PN/ASCII... is secure.
3.6.3
PROFINET IO
The PROFINET IO settings provide the ability to enable advanced diagnostic for
troubleshooting. These settings are disabled by default.
Figure 3-6
“LAN Settings/PROFINET IO” page
Enable channel-specific diagnostics:
Check this box to notify the IO controller through
an alarm when an oversize packet is available. The feature is disabled by default. Once
enabled, the GW PN/ASCII... sends a diagnostic alarm to the IO controller when an oversize
packet is saved. The alarm is a channel-specific diagnostic alarm with an error type
4096
(16#1000). Using the slot information associated with the alarm, the IO controller can start
a record data read instruction to retrieve the saved packet for the corresponding
port/device. The GW PN/ASCII... clears the alarm automatically after the packet is read.
Show extended diagnostics info in device log
: Check this box to provide more detailed
system log information in the “Diagnostics System Log” file. Items logged include Thread
name, ID, State, Priority, Stacksize, Stackused, SuspendCnt, WakeupCnt, SleepReason,
WakeReason, TimerID, Type, Base, Count, Callback, UserID, Message_Queue, TaskID,
Length, MaxLen, Sent, Received, and Error.
Possession of the private portion of the key pair allows an eavesdropper to decrypt traffic
on SSL/TLS connections that use DH encryption during handshaking.
Certificates and keys to be uploaded to the GW PN/ASCII... must be in the .DER binary file
format, not in the .PEM ASCII file format. (The openssl tools can create files in either
format and can convert files back and forth between the two formats.)
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