Security Servers are used to provide secure system & data access they are as follows :

1. SSL: Secure socket layer avalable in web servers is protocol used to transfer data in secure fashion over network.
2. ADS: Active directory services avalable in Windows 2000 can also be used to control login to Network & Internet Server.
3. CS: Certificate server available from many vendors can issues Certificates to various users through this server to control the users and computers accessing server.
4. SS: Signature Server build in ERPWEB checks signature of user before modifying data for every document.
5. DR: Documents Rights are controlled in ERPWEB which limits users to certain documents, folders & applications as per their roles.

ERPWEB can be used with all above mentioned security in place to make it worlds most secure system.