Network Maintenance

A. Set up or optimize IT system

• Set up the institution or regulation for using the computers and office equipments
• Set up the backup and recovery system
• Set up the on-watch institution
• Set up the security institution
• Set up the polling institution
• Set up the configuration management flow and regulation
• Set up the repairing flow and regulations for the equipments
• Set up the emergency methods and emergency flow 

B. Network security

• Different servers enjoy different passwords; change passwords time to time and assign persons specially for keeping the password documents
• Configure the custom-built firewall regulation for the servers of public networks
• Inspect the servers' log periodically, in order to deal with the servers' problems in time
• Use the monitoring software for network flux
• Set up documents for all the network equipments' configuration
• Isolate different sectors with VLAN; control the visit between VLANs with security methods
• Set up a IP address list and MAC corresponding list for each computer to prevent embezzling address
• Build up the censoring and recording funtion for each server to monitor users' state

C. Keep secret

• No floppy drive for client-end computers; block the USB interface
• Limit strictly everyone's rights of visiting the documents
• Sign a privacy agreement with every employee
• Not allow the network keepers to bring any electronic equipment into the clients' company

D. Backup strategy

• Build up backup script on each server, which implements at night
• A special backup center to store all the backups of servers; the hard disk of this computer is RAID0 or RAID5
• Save the documents into CDs every day, every week or every month, according to their importance
• Check-up the results and serviceability of the backups periodically
• Build up backup documents
• Build up documents for each server

E. Anti-virus methods

• Install anti-virus software both for the server and client-end; update it and scan the pc periodically
• Update the mend program package from the operation systems' websites
• Cut the network of a computer at once, when discover that it's infected by virus
• Filtrate the email system in order not to be infected by virus through emails

Emergency Solutions

• Backup for the documents for the server
• Set up emergent recovery blue print in advance
• Prepare proper spare computers according to the hardware and software's conditions
• Monitoring the equipments' situation with the help of tools ever and again
• 24 hours telephone on duty