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How to encrypt the network traffic between KCS TC/LINK-LN and IBM Domino Server

Summary

12068

Description

To improve security, we want to encrypt the network traffic between KCS TC/LINK-LN and our Lotus Domino Servers. Is this somehow possible?

Solution

TC/LINK-LN uses the Lotus Notes C++ API to communicate to the Domino server. The Lotus Notes API handles encryption transparently for the client application (TC/LINK-LN in this case). That means, if you enable encryption on the Domino Server itself, the clients (and also TC/LINK-LN) will use the encryption automatically and no additional actions must be done on the client side.

See section “Network ports” within the following IBM Lotus Notes Administrator Online Help:

http://www-12.lotus.com/ldd/doc/domino_notes/rnext/help6_admin.nsf/2e73cbb2141acefa85256b8700688cea/e67d2b4b646d575985256c1d0039938a? OpenDocument

The following link describes the steps, which need to be done to enable encryption on the Dominio Server:

http://www-12.lotus.com/ldd/doc/domino_notes/rnext/help6_admin.nsf/f4b82fbb75e942a6852566ac0037f284/e9d5bdec3776ba0085256c1d00390cc9? OpenDocument

2018-07-26_1030.pngEnabling the “Encryption” checkbox in the Domino server configuration document changes the following setting within the C:\Program Files\IBM\Lotus\Domino\notes.ini

TCPIP=TCP,0,15,0,,45056,

After encryption is enabled on the Domino Server, the server must be restarted.

Applies To:

  • KCS TC/LINK-LN all versions
  • Domino Server Version 8.5.3, verified by checking the network traffic with Wireshark before and after encryption was enabled.

Keywords: TC/LINK-LN encrypt, Lotus Notes

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