Scalar i6000 Installation Guide 149
2 You can change the security settings for any of the following items:
• Network Interface — To entirely prevent all external access to the library through the MCB
Ethernet port, regardless of other settings on the Security Configuration dialog box, select
Disable. To allow external access to the library in accordance with other security settings on
the Security Configuration dialog box, select Enable. (The Network Interface option is
unavailable when accessing the LMC remotely.)
• ICMP — To prevent external attempts to discover the library by pinging it (by means of Internet
Control Message Protocol [ICMP] Echo packets), select Disable. Using this setting can prevent
denial-of-service (DoS) attacks, which can flood the library with pings and cause loss of network
connectivity and services.
If Dynamic Host Configuration Protocol (DHCP) is enabled for your library on the Network
Configuration dialog box (Setup→ Network Configuration), you also should enable ICMP.
This ensures that the DHCP server can determine whether the IP address that is assigned to
the MCB is still valid. (ICMP is enabled by default.)
• SSH—To prevent Secure Shell access to the library, select Disable. To allow SSH to run on
the library, select Enable.
• SSHv1—To prevent Secure Shell version 1 protocol from running on the library, select Disable.
To allow SSH v1 to run on the library, select Enable.
• HTTP—To prevent access to library using the remote Java browser, select Disable. If you
choose disable HTTP, access to the library is limited to the library’s operator panel. To permit
access to the library GUI using a remote Java browser, select Enable.(The Network Interface
option is unavailable when accessing the LMC remotely.)
3 If you want to apply the changes, but you do not want to close the dialog box, click Apply. Otherwise,
click OK to apply the changes and close the dialog box.
Configuring Access for Remote LMC Clients
You can use the LMC tab on the Security Configuration dialog box to configure the following options:
• To allow or prevent remote LMC client access to the library.
• To set up firewall access for server callbacks to remote clients.
• To enable or disable service login.
• To set up the length of time before a session timeout.
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