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By default, the communication protocol used between the DualShield computer logon client and agent is TCP (the port used by the logon agent is TCP 12841). If you set up a custom application-level protocol on top of TLS, similar to how HTTPS protocol works. Although its security level is regarded to be on the same level as HTTPS,  some customers find that using a custom protocol is inconvenient (as they would have to set up special firewall rules if they plan to implement the DualShield Computer Logon system for on-site logins only, then TCP is appropriate as both the logon clients and agents are deployed within the corporate network. However, if you plan to implement the DualShield Computer Logon system for offsite logins, then you might want to use the HTTPS protocol. offsite logins, for instance), or is not compliant with their security policies. Therefore, a new option is added to allow customers to configure the DualShield computer logon solution to work on the HTTPS protocol. To use the HTTPS protocols, you need to install an addon called Chisel. Chisel (the port used by the Chisel addon is HTTPS 12843).is a fast TCP/UDP tunnel, transported over HTTP and secured via SSH. (Please note, although Chisel is a popular open source project used by many products, some Antivirus software might falsely flag it as malware). 

The Chisel addon needs to be installed on both ends, on the computer logon agent machine and the computer logon client machine. 

There are two installation files that you need to download from https://support.deepnetsecurity.com/visit.asp?pg=download/dualshield

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The "computer-logon-chisel-agent-addon-installer" is for the logon agent. It needs to be installed on the same machine you have installed the Computer Logon Agent.

The "windows-computer-logon-chisel-client-addon-installer" is for the logon client. It needs to be installedon all the machines which are protected by the Computer Logon Client.

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