![]() ![]() Select to ensure a higher level of security by requiring that the host name in the client configuration match the common name in the servers x509 security certificate, and that the servers x509 certificate is verified against the root certificate database for an additional trust relationship verification. Select the item No Security to disable SSL/TLS. This establishes an encrypted secure channel between TN5250 sessions and the remote system. Once the handshake is complete and transmission of application data begins, all data is encrypted using the session keys negotiated during the handshake.Įnable the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) for a TN5250 session by selecting SSL V3.0 or TLS 1.x. These protocols begin with a handshake phase that negotiates an encryption algorithm and keys and authenticates the server to the client. Secure Sockets Layer (SSL) and Transport Layer Security (TLS) are protocols designed to provide privacy between a client and a server. The range of values is 240 to 9999 seconds the default value is 600 seconds. Specifies the interval between the keep-alive requests sent by Extra!. This method requires less system resources than Send Timing Mark Packets or Send NOP Packets, but most TCP/IP stacks send Keep Alive packets infrequently. System Controlled: The TCP/IP stack keeps track of the host connection. ![]() If Extra! does not receive a response or there is an error sending the packet, it will update the communication trace to indicate that there was a problem with Timing Mark Packet. The gateway or host should respond to these commands. Send Timing Mark Packets: Extra! periodically sends a Timing Mark Command to the host to determine if the connection is still active. The gateway and host are not required to respond to these commands, but the TCP/IP stack can detect if there was a problem delivering the packet. Send NOP Packets: Extra! periodically sends a No Operation (NOP) command to the host. None: Extra! does not send keep-alive packets to the host. To become aware of connection problems as they occur, you can configure Extra! to send Keep Alive packets. Instructs Extra! to automatically reconnect the session to the host when the connection to the host is lost because the host system is configured to disconnect from sessions due to lack of activity. The maximum value is 30 seconds the default setting is 10 seconds. Sets the amount of time in seconds Extra! will wait to establish a connection. The maximum length of an address is 4 digits the default is 23. Specifies the port address that matches the port address on the server. If the Host Name has been entered, the system detects the IP address from the network and displays automatically. Sets either the numeric IP address or the alias name of the remote host. Type the host name or select one from the list. Sets the host link for the current network connection. To become aware of connection problems as they occur, you can configure Extra to send Keep Alive packets. Sets the Host Options for the current server. Instructs Extra to automatically reconnect the session to the host when the connection to the host is lost because the host system is configured to disconnect from sessions due to lack of activity. ![]() Table 4-83 TN5250 Connection General Page Options ![]()
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