final presentation session
all the final year project students must attend to the gemilang hall to assess and present the completed project that have been made in 1 year.
my assessor is:
mr shamsul adlan
mr saiful yusuf
good luck..
Saturday 8 December 2012
semester 2 2012 week 13
preparation for the final presentation
for the whole week. i have to complete my poster for the final presentation
for the whole week. i have to complete my poster for the final presentation
semester 2 2012 week 11-12
web server
Web server can refer to either the hardware the computer or the software the computer application that helps to deliver Web content that can be accessed through the Internet. The most common use of web servers is to host websites, but there are other uses such as gaming data storage or running enterprise applications.
The primary function of a web server is to deliver web pages on the request to clients using the Hypertext Transfer Protocol (HTTP). This means delivery of HTML documents and any additional content that may be included by a document, such as images, style sheets and scripts.
A user agent, commonly a web browser or web crawler, initiates communication by making a request for a specific resource using HTTP and the server responds with the content of that resource or an error message if unable to do so. The resource is typically a real file on the server's secondary storage, but this is not necessarily the case and depends on how the web server is implemented. While the primary function is to serve content, a full implementation of HTTP also includes ways of receiving content from clients. This feature is used for submitting web forms, including uploading of files.
Many generic web servers also support server-side scripting using Active Server Pages (ASP), PHP, or other scripting languages. This means that the behavior of the web server can be scripted in separate files, while the actual server software remains unchanged. Usually, this function is used to create HTML documents dynamically "on-the-fly" as opposed to returning static documents. The former is primarily used for retrieving and/or modifying information from databases. The latter is typically much faster and more easily cached. Web servers are not always used for serving the World Wide Web. They can also be found embedded in devices such as printers, routers, webcams and serving only a local network. The web server may then be used as a part of a system for monitoring and/or administering the device in question
The webmail service is enabled in the same way as any other Zentyal service. However, the e-mail module must be configured to use either IMAP, IMAPS or both and the web server module must be enabled. Without this configuration, webmail will refuse to work. The user must be set in the server because when do the login in the web mail, it requested username and password.
If the client wants to email to the other client in the office, the just simply put the “bmi.com/webmail” at the link. Then the webmail with username and password request will appear. Then the client can login using their own username and password and they can do emailing to the other client.
To be able to log into the webmail interface, HTTP traffic must be allowed by the firewall from the source address used. The webmail login screen is available at bmi.com/webmail the browser. Then the user has to enter their e-mail address and password. Only the real e-mail addresses are accepted for login, not aliases.
As mentioned earlier, besides an email account, each user should have a Zarafa account. Furthermore, the quota defined in the mail module for each user will be applied to Zarafa, this can be unlimited globally defined or specifically set per user. The client who wants to use zarafa, they just put the “bmi.com/webapp” in the top of the link. The zarafa will be appearing and they requested username and password to do login.
In the zarafa, the client can do a shared contact, calendar and can chat with the other client using jabber application. To create an event in the zarafa, the client can do it at the calendar tab and double clicking in the desired date and time. The client can invite other client from the invite attendees. The recipient which is others client will receive a custom mail with event specification including a submenu which allow the client to accept or decline the invitation.
Web server can refer to either the hardware the computer or the software the computer application that helps to deliver Web content that can be accessed through the Internet. The most common use of web servers is to host websites, but there are other uses such as gaming data storage or running enterprise applications.
The primary function of a web server is to deliver web pages on the request to clients using the Hypertext Transfer Protocol (HTTP). This means delivery of HTML documents and any additional content that may be included by a document, such as images, style sheets and scripts.
A user agent, commonly a web browser or web crawler, initiates communication by making a request for a specific resource using HTTP and the server responds with the content of that resource or an error message if unable to do so. The resource is typically a real file on the server's secondary storage, but this is not necessarily the case and depends on how the web server is implemented. While the primary function is to serve content, a full implementation of HTTP also includes ways of receiving content from clients. This feature is used for submitting web forms, including uploading of files.
Many generic web servers also support server-side scripting using Active Server Pages (ASP), PHP, or other scripting languages. This means that the behavior of the web server can be scripted in separate files, while the actual server software remains unchanged. Usually, this function is used to create HTML documents dynamically "on-the-fly" as opposed to returning static documents. The former is primarily used for retrieving and/or modifying information from databases. The latter is typically much faster and more easily cached. Web servers are not always used for serving the World Wide Web. They can also be found embedded in devices such as printers, routers, webcams and serving only a local network. The web server may then be used as a part of a system for monitoring and/or administering the device in question
webmail setting
roundcube
To be able to log into the webmail interface, HTTP traffic must be allowed by the firewall from the source address used. The webmail login screen is available at bmi.com/webmail the browser. Then the user has to enter their e-mail address and password. Only the real e-mail addresses are accepted for login, not aliases.
zarafa webmail
In this scenario, any number of the existing virtual domains will be assign to the groupware module and, from that moment on, the mail of those domains will be stored in Zarafa and not in the server. The mail sent to the other virtual domains will continue to be stored in the same way. This groupware module integrates with the existing mail module so that the client can consider themselves associated with a quota and use a Zarafa account. Enable outlook access is to integrate the zarafa platform and all its groupware services such as calendar, task and contact with a Microsoft outlook client. To support ActiveSyns mobile devices for synchronization email, contact, calendar and task, the ActiveSyns should be enabled. To provide users with POP3, POP3 on SSL, IMAP or IMAP on SSL access to their mailboxes, the zarafa gateways will be select. The Zarafa Gateways can only authenticate users with a Zarafa account and not users with only an email account.
As mentioned earlier, besides an email account, each user should have a Zarafa account. Furthermore, the quota defined in the mail module for each user will be applied to Zarafa, this can be unlimited globally defined or specifically set per user. The client who wants to use zarafa, they just put the “bmi.com/webapp” in the top of the link. The zarafa will be appearing and they requested username and password to do login.
semester 2 2012 week 9 - 10
dhcp setting
The Dynamic Host Configuration Protocol (DHCP) is a network protocol that is used to configure network devices so that they can communicate on an IP network. A DHCP client uses the DHCP protocol to acquire configuration information, such as an IP address, a default route and one or more DNS server addresses from a DHCP server. The DHCP client then uses this information to configure its host. Once the configuration process is complete, the host is able to communicate on the internet.
The DHCP server maintains a database of available IP addresses and configuration information. When it receives a request from a client, the DHCP server determines the network to which the DHCP client is connected, and then allocates an IP address or prefix that is appropriate for the client, and sends configuration information appropriate for that client. It is because the DHCP protocol must work correctly even before DHCP clients have been configured, the DHCP server and DHCP client must be connected to the same network link. In larger networks, this is not practical. On such networks, each network link contains one or more DHCP relay agents. These DHCP relay agents receive messages from DHCP clients and forward them to DHCP servers. DHCP servers send responses back to the relay agent and the relay agent then sends these responses to the DHCP client on the local network link.
DHCP servers typically grant IP addresses to clients only for a limited interval. DHCP clients are responsible for renewing their IP address before that interval has expired, and must stop using the address once the interval has expired, if they have not been able to renew it.
DHCP is used for IPv4 and IPv6. While both versions serve much the same purpose, the details of the protocol for IPv4 and IPv6 are sufficiently different that they may be considered separate protocols.
Hosts that do not use DHCP for address configuration may still use it to obtain other configuration information.
The DHCP service is needs to be deployed on an interface configured with a static IP address. This interface should also be internal. The default gateway is the client to communicate with destinations that are not on the local network, such as the Internet. Search domain is the parameter that can be useful in a network where all the hosts are named under the same subdomain. Thus, when attempting to resolve a domain name unsuccessfully (for example host), a new attempt would be carried out by adding the search domain at the end. For the primary name server is to specify the DNS server that clients will use first when they have to resolve a domain name. Its value can be Local Zentyal DNS or the IP address of another DNS server. for the secondary name server, DNS server to be used by clients in case primary DNS server is unavailable. Its value must be an IP address of a DNS server. the NTP server is for client which is their use to synchronies their system clock. It can be None, Local Zentyal NTP or the IP address of another NTP server.
dhcp range
The purpose of range addresses is to distribute or static allocations. Otherwise the DHCP server will not allocate IP addresses even when listening on all network interfaces. The address ranges and static addresses are available for assignment from a certain interface which is not determined by the static address assigned to that interface. Any available IP address of the subnet can be used in ranges or static allocations. In order to add a range in the Range section, a name has to be introduce to identify the range and the values which is 192.168.1.100 to 192.168.1.150 where the range is from 100 to 150. Static of assignment of IP addresses are introduced to specific physical addresses in the Fixed addresses section. An object will be fill which members are pairs of host IP addresses (/32) and MAC addresses.. An address assigned in this way cannot be part of any range. An optional Description for the allocation as well will be added.
The Dynamic Host Configuration Protocol (DHCP) is a network protocol that is used to configure network devices so that they can communicate on an IP network. A DHCP client uses the DHCP protocol to acquire configuration information, such as an IP address, a default route and one or more DNS server addresses from a DHCP server. The DHCP client then uses this information to configure its host. Once the configuration process is complete, the host is able to communicate on the internet.
The DHCP server maintains a database of available IP addresses and configuration information. When it receives a request from a client, the DHCP server determines the network to which the DHCP client is connected, and then allocates an IP address or prefix that is appropriate for the client, and sends configuration information appropriate for that client. It is because the DHCP protocol must work correctly even before DHCP clients have been configured, the DHCP server and DHCP client must be connected to the same network link. In larger networks, this is not practical. On such networks, each network link contains one or more DHCP relay agents. These DHCP relay agents receive messages from DHCP clients and forward them to DHCP servers. DHCP servers send responses back to the relay agent and the relay agent then sends these responses to the DHCP client on the local network link.
DHCP servers typically grant IP addresses to clients only for a limited interval. DHCP clients are responsible for renewing their IP address before that interval has expired, and must stop using the address once the interval has expired, if they have not been able to renew it.
DHCP is used for IPv4 and IPv6. While both versions serve much the same purpose, the details of the protocol for IPv4 and IPv6 are sufficiently different that they may be considered separate protocols.
Hosts that do not use DHCP for address configuration may still use it to obtain other configuration information.
The DHCP service is needs to be deployed on an interface configured with a static IP address. This interface should also be internal. The default gateway is the client to communicate with destinations that are not on the local network, such as the Internet. Search domain is the parameter that can be useful in a network where all the hosts are named under the same subdomain. Thus, when attempting to resolve a domain name unsuccessfully (for example host), a new attempt would be carried out by adding the search domain at the end. For the primary name server is to specify the DNS server that clients will use first when they have to resolve a domain name. Its value can be Local Zentyal DNS or the IP address of another DNS server. for the secondary name server, DNS server to be used by clients in case primary DNS server is unavailable. Its value must be an IP address of a DNS server. the NTP server is for client which is their use to synchronies their system clock. It can be None, Local Zentyal NTP or the IP address of another NTP server.
dhcp range
semester 2 2012 week 8
ip address setting
Based on the IP address shown, this IP addresses is a client IP address which is set 192.168.1.10 as their IP. The network use between the server and client is 192.168.1.0 and the server IP address is 192.168.1.1. The function of this IP address is to connect between computer server and the client. Different client will get different IP address which is one computer will got one IP address. Usually this IP address will be set by the server. If the client IP addresses are same with other client, the network might be overlapping and could not connect to the server.
semester 2 2012 week 7
hostname and domain setting
The domain name use in the zentyal is bmi.com. The purpose of this domain name is to choose the local domain associated with the server. if the external interface using DHCP has been configured, it may be filled automatically. Hostname will be automatically added as a host of this domain. The authentication domain for the users will also take this name. the additional domain can configure so the only one that will come pre-configured to provide all the information that the LAN client need for the network authentication protocol.
The domain name use in the zentyal is bmi.com. The purpose of this domain name is to choose the local domain associated with the server. if the external interface using DHCP has been configured, it may be filled automatically. Hostname will be automatically added as a host of this domain. The authentication domain for the users will also take this name. the additional domain can configure so the only one that will come pre-configured to provide all the information that the LAN client need for the network authentication protocol.
semester 2 2012 week 6
network interfaces setting
Through this network access, the configuration can access of each network card detected by the system and can select between a static configuration (manually configured), dynamic (DHCP configuration), VLAN (802.1Q) trunk, PPoE or bridged. In addition, each interface can define to be External if it is connected to an external network, such as the Internet. In order to apply stricter firewall policies, the interface is considered internal if the firewalls are not applied, connected to a local network. When an interface to serve DHCP is been configured, not only the IP address are been configured, but also the DNS servers and gateway. This is usual for hosts within the local network or for external interfaces connected to the ADSL routers. If the server is connected to one or more VLAN networks, the Trunk (802.11q) will be selected. Once selected, using this method many interfaces can be created associated to the defined tag, and consider them as if they were real interfaces. The VLAN network infrastructure is allows segmenting the local network to improve performance and security, without the need to invest in hardware that would usually be necessary to create each segment.
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