Required Network Ports
In order to allow access to ILLiad and its various component parts, the following server ports are required to be open.
Port opened outbound from web server and clients to SQL
Port 1433 is the standard port, but 1344 is set up to use as
Port opened inbound to all or any IP ranges that are allowed
Use port 443 for secure web pages (recommended) or
|Port opened only outbound from the ILLiad webserver to
OCLC's web platform server (webservices.oclc.org). This
allows the ILLiad Connection Manager and ILLiad client to
contact OCLC for update and download purposes.
The ILLiad server updater now uses secure HTTPS to download updated files.
This needs to be open to update.atlas-sys.com.
Each time it is opened, the ILLiad client checks against
This is a direct connection and not through a proxy server.
ILLiad web server needs to have port opened inbound and
The Odyssey Manager service will discard anything sent
|Port opened only outbound from the ILLiad web server to
OCLC's Article Exchange web platform server (https://ill.sd00.worldcat.org/articleexchange/).
To change the port that the ILLiad client uses to connect to Microsoft SQL Server, create or edit your existing logon.dbc file and enter 184.108.40.206,1344 into the Server field, where 220.127.116.11 is your server IP address.
Optional Network Ports
You may want to opening the following ports if you use the services described.
|If you plan on using Z39.50 to search your local OPAC from
within ILLiad, you will need to check that the ILLiad Client
machines have access to the Z39.50 server over that port.
This port differs from OPAC to OPAC so you will need to
verify that value. The client needs to be able to connect to
the port to display local holdings information.
|The ILLiad web server needs to have this port opened both
inbound and outbound. This allows the ILLiad client to send
and receive ISO ILL requests. This is generally open to all
|The ILLiad web server needs to be able to communicate
with the PatronAPI server outbound to authenticate if using
PatronAPI authentication. While this port is typically 4500,
the port may differ based on your unique setup.
The ILLiad web server needs to be able to communicate outbound
The ILLiad web server needs to be able to communicate
Port 389 is used for standard LDAP and 636 is used for SSL.
|This would be opened only if you wish to allow customer
support to access your ILLiad Server via Remote Desktop