Draytek Vigor3900 User Manual page 436

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This page is used to configure the access barrier to protect the system from brute-force attack
and flooding attack, and ensure following protocols can run properly.
Available parameters are listed as follows:
Item
Syslog
PPTP/IPsec/Web/HTTPS
SSH/Telnet/FTP Access
Barrier
Apply
Cancel
i i e e r r
Description
Check the box to make information related to access control
recorded on Syslog.
The port number used by these protocols always became the
target attacked by hacker. Therefore, the settings for packet
reception rate for certain protocol can be configured to avoid
attack from unknown people.
Click this button to save the configuration.
Click it to discard the settings configured in this page.
428 Vigor3900 Series User's Guide