Setting Additional Controls and Displaying Logs for Telnet

To set additional controls for Telnet for both IPv4 and IPv6 and to display their logs, select 12. Telnet from the Firewall Main Menu (STRFW). The Telnet Security screen appears:

​ ​ GSTELMNU​                    ​  Telnet Security ​                      ​ Firewall​                                                              ​ System:​  ​ S520    ​  ​ Select one of the following:​                                                                                                                                       ​ Definitions                       ​                                                ​  1. Telnet Logon                ​                                                ​  2. Telnet Logon IPv6           ​                                                ​ These entries are used only on the first time a device connects the system. ​    ​ For example, when a PC emulation software starts. To control the Sign On​        ​ screen (which might be used several times during a single Telnet session),​      ​ use Work with Users to specify allowed IPs and device names.             ​                                                                                      ​ Reporting                         ​                                                ​ 11. Display Telnet Log            ​                                              ​ 12. Display Telnet Logon Log      ​                                              ​ 13. Display Telnet Termination Log​                                                                                                                               ​ 15. Display SIGNON Log            ​                                          ​ Selection or command                  ​                                          ​ ===>​                                                                                                                                                           ​  ​ F3=Exit   F4=Prompt   F9=Retrieve   F12=Cancel                                ​  ​ F13=Information Assistant  F16=AS/400 main menu                                 ​                                                                               ​  ​

These entries are only used the first time that a device connects to the system, such as when PC emulation software starts. To control the Sign On screen (which might be used several times during a single Telnet session), use the Work with Users screen to specify permitted IP addresses and device names, as shown in Setting Firewall Rules for Users, Groups, and Applications.

To set controls for Telnet logons, select 1. Telnet Logon. The Work with Telnet Logon Security screen appears, as shown in Setting Additional Controls for Telnet Logons.

To set controls for Telnet IPv6 logons, select 2. Telnet Logon IPv6. The Work with TELNET Logon Security IPv6 screen appears, as shown in Setting Additional Controls for IPv6 Telnet Logons.

To display a log of all Telnet connections, select 11. Display Telnet Log. The Display Firewall Log (DSPFWLOG) screen appears (as shown in Displaying Firewall Logs) with the Type field set to *TELINF.

To display a log of Telnet logons, select 12. Display Telnet Logon Log. The Display Firewall Log (DSPFWLOG) screen appears (as shown in Displaying Firewall Logs) with the Type field set to *FTPLOG.

To display a log of Telnet terminations, select 13. Telnet Termination Log. The Display Firewall Log (DSPFWLOG) screen appears (as shown in Displaying Firewall Logs) with the Type field set to *TELOFF.

To display a log of Sign ons, select 15. Display SIGNON Log. The Display Firewall Log (DSPFWLOG) screen appears (as shown in Displaying Firewall Logs) with the Type field set to *SIGNON.