Grandstream Networks HT881

Example:192.168.5.222 192.168.5.223 192.168.7.0/24
Note: If both blacklist and whitelist are not empty, the blacklist is processed rst, followed by the whitelist.
Black List for WAN Side
If WAN Side Web/SSH Access is set to Yes or Auto. Users can congure the black List for WAN Side to ban
WAN side web access.
Multiple IPs are supported and need to be separated by space.
Example:192.168.5.222 192.168.5.223 192.168.7.0/24
Note: If both blacklist and whitelist are not empty, the blacklist is processed rst, followed by the whitelist.
User Info Management
Enable strict password rules Enable strict password rules
Minimum password length Denes the Minimum password length, Range: 4-30, default is 8
Required number of character
classes
Sets the minimum number of character classes that a password should contain, composed of allowed
combinations of different character classes;Range: 0-4, default is 3
Allowed Character classes Denes the Allowed Character classes, which are: Lower case, Upper case, Numbers, Special characters
New Admin Password
Denes the new admin password, Must contain 4-30 characters, When strict password rules are enabled, the
password needs to comply with the settings in the password rules; Do not display password for security
reasons
Conrm Admin Password Conrms the entered admin password
New User Password
Denes the new user password, Must contain 4-30 characters, When strict password rules are enabled, the
password needs to comply with the settings in the password rules; Do not display password for security
reasons
Conrm User Password Conrms the entered user password
New Viewer Password
Denes the new viewer password, Must contain 4-30 characters, When strict password rules are enabled, the
password needs to comply with the settings in the password rules; Do not display password for security
reasons
Conrm Viewer Password Conrms the entered viewer password
Client Certicate
Disable Weak TLS Cipher Suites
Allows users to disable weak ciphers DES/3DES and RC4, Symmetric Encryption SEED, Symmetric
Authentication MD5, Protocol Version SSLv2/SSLv3 or Disable All of the Above Weak TLS Ciphers Suites.
Default is No.
SIP TLS Certicate
Species SSL certicate used for SIP over TLS is in X.509 format. The HT8xx has built-in private key and SSL
certicate.
Maximum supported length is 8192.
SIP TLS Private Key
Species TLS private key used for SIP over TLS is in X.509 format.
Maximum supported length is 4069.
SIP TLS Private Key Password Species SSL Private key password used for SIP Transport in TLS/TCP.