Chapter 12 Remote Management
PMG5318-B20A User’s Guide
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The following table describes the labels in this screen.
12.6 ICMP
To change your GPON Device’s security settings, click Advanced > Remote MGMT > ICMP. The
screen appears as shown.
If an outside user attempts to probe an unsupported port on your GPON Device, an ICMP response
packet is automatically returned. This allows the outside user to know the GPON Device exists. Your
GPON Device supports anti-probing, which prevents the ICMP response packet from being sent.
This keeps outsiders from discovering your GPON Device when unsupported ports are probed.
Figure 59 Remote Management: ICMP
The following table describes the labels in this screen.
Table 41 Remote Management: SSH
LABEL DESCRIPTION
Access Status Select the interface(s) through which a computer may access the GPON Device using
this service.
Note: WAN refers to traffic from the Management WAN interface. Traffic from other WAN
interfaces will be dropped.
Secured Client IP A secured client is a “trusted” computer that is allowed to send SSH queries to the GPON
Device.
Select All to allow any computer to send SSH queries to the GPON Device.
Choose Selected to just allow the computer with the IP address that you specify to send
SSH queries to the GPON Device.
Apply Click Apply to save your customized settings and exit this screen.
Cancel Click Cancel to begin configuring this screen afresh.
Table 42 Remote Management: ICMP
LABEL DESCRIPTION
Respond to Ping on The GPON Device will not respond to any incoming ping requests when Disable is
selected. Select LAN/WLAN to reply to incoming LAN and wirless LAN ping requests.
Select WAN to reply to incoming WAN ping requests. Otherwise select LAN & WAN to
reply to both incoming LAN and WAN ping requests.
Apply Click this to save your changes.
Cancel Click this to restore your previously saved settings.
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