Stuart,
Thanks, this is very important information!
I think I could use the $ENV{'REMOTE_ADDR'} variable in a problem script to
display the actual IP address of a student machine and then check it against
the IP the student reported before the test started.
I will give it a try.
GS
-----Original Message-----
From: LON-CAPA-users [mailto:[email protected]] On
Behalf Of Raeburn, Stuart
Sent: Monday, August 19, 2019 17:49
To: Discussion list for LON-CAPA users <[email protected]>
Subject: Re: [LON-CAPA-users] IP address of student submission
GS,
Currently the IP address shown in LON-CAPA in grade details is the stored IP
address of the remote client from which the submission was made. The IP
address recorded in the submission transaction for each student is the value
of: $ENV{'REMOTE_ADDR'}. Note: a situation where that IP address will be a
LON-CAPA server's own IP address is when you are viewing grade details for
transactions resulting from bubblesheet grading (of a printed exam), by a
Course Coordinator.
The IP address might also be different from a student's actual IP address if
students at your institution use an institutional VPN, or a proxy for web
access to your LON-CAPA instance.
Stuart Raeburn
LON-CAPA Academic Consortium
________________________________________
From: LON-CAPA-users <[email protected]> on behalf of
SIMIN, GRIGORY <[email protected]>
Sent: Monday, August 19, 2019 5:13 PM
To: Discussion list for LON-CAPA users
Subject: [LON-CAPA-users] IP address of student submission
All,
Is there a way to check the IP address of a machine that student submitted the
answer from?
In the grade details I can see the host name and the IP address, which is not
the user IP address but the IP address of the LON-CAPA server.
Being able to track the student IP address would be very helpful to prevent
cheating. Some students these days simply allow paid "ghosts" to login and
solve the problems for them.
Thank you all,
GS
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