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Because TFTPĭoes not have any security checks, the ZyWALL records the IP address of the telnet client and accepts TFTP requests only from this address.Ģ Put the SMT in command interpreter (CI) mode by entering 8 in Menu 24 – Systemģ Enter the command “sys stdio 0” to disable the management session timeout, so the TFTP

To transfer the firmware and the configuration file, follow the procedure shown next.ġ Use telnet from your computer to connect to the ZyWALL and log in. To use TFTP, your computer must have both telnet and TFTP clients. Although TFTP should work over WAN as well, it is not recommended. The ZyWALL also supports the uploading of firmware files using TFTP (Trivial File Transfer Protocol) over LAN. To read about configurations that disallow TFTP and FTP More commands (found in GUI-based FTP clients) are listed earlier in this chapter. Likewise “get rom-0 config.rom” transfers the configuration file on the ZyWALL to your computer and renames it “config.rom.” See earlier in this chapter for more information on filename conventions.ġ7.5.3 FTP Session Example of Firmware File Uploadįigure 137 FTP Session Example of Firmware File Upload Similarly, “put config.rom rom-0” transfers the configuration file on your computer (config.rom) to the ZyWALL and renames it “rom- 0”. Chapter 17 Firmware and Configuration File Maintenanceĥ Enter “bin” to set transfer mode to binary.Ħ Use “put” to transfer files from the computer to the ZyWALL, for example, “putįirmware.bin ras” transfers the firmware on your computer (firmware.bin) to the ZyWALL and renames it “ras”.