zenLogSrv: no TCP keep alive for listening socket
Description
The TCP server of zenLogSrv.exe did not send TCP keep alive messages to check if the TCP connection is still available.
The issue has been addressed by automatically enabling TCP server now automatically enables the TCP keep alive for the listening socket 50780 of zenLogSrv.exe to clear TCP connections that are no longer available.
To benefit from this fix:
- Update your zenon Software Platform to the latest build of zenon 12 or higher.
Item ID: 288598
Version: 14.00 Build: 314355
Version: 12.00 Build: 301428
Related Articles
In Docker-Compose: no TCP keep alive for listening socket, port 50780
Description In Docker the TCP server of process zenLogSrv.exe did not send a TCP keep alive to check if the TCP connection is still available. The issue has been addressed by automatically enabling TCP server now automatically enables the TCP keep ...
Remote-Transport: no TCP keep alive for listening socket
Description The TCP server of process zensysSrv (used for remote transport) did not send TCP keep alive messages to check if the TCP connection is still available. The issue has been addressed by automatically enabling TCP keep alive for the ...
T5BusEIPS: EtherNet/IP Adapter does not make use of TCP Keep Alive
Description The EtherNet/IP Adapter (T5BusEIPS) does not make use of TCP keep alive messages to check if the TCP connection from an EtherNet/IP Scanner is still OK. The issue has been addressed and the T5BusEIPS enables a TCP keep alive for the ...
IEC61850 Server opens TCP socket without activating KEEPALIVE
Summary On some devices, e.g. Windows CE, the IEC61850 Server I/O driver in zenon Logic does not activate KeepAlive by opening the TCP-socket. Thus after connection loss the socket stays open. Description On some devices, e.g. Windows CE, the ...
zenLogSrv: path traversal allows transfer of arbitrary files
Description A zenon installation with the zenon LOG Service (zenLogSrv) allowed to retrieve and load arbitrary files from a remote system over the network. This behavior has been changed for: zenon 12 and higher zenon 8.20, 10 and 11 with build ...