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校园网是利用现代网络技术、多媒体技术等为基础建立起来的主要应用于学校内部的计算机网络，一方面，校园网可以将分散于学校内部的各独立用户联结起来，实现内部的互联互通，另一方面，校园网可以实现校内用户与校外Internet网的互通。随着近年来信息技术的迅猛发展，一个高速高效、资源丰富、应用广泛的校园网已经成为高校正常教学、科研、管理工作的一个必不可少的组成部分。

　　然而，随着教育信息化的不断推进，各高等院校都相继建成了自己的校园网络并连入互联网，校园网在学校的信息化建设中扮演了至关重要的角色。但必须看到，随着校园网络规模的急剧膨胀,网络用户的快速增长，尤其是校园网络所面对的使用群体的特殊性（拥有一定的网络知识、具备强烈的好奇心和求知欲、法律纪律意识却相对淡漠），如何保证校园网络能正常的运行不受各种网络黑客的侵害就成为各个高校不可回避的一个紧迫问题，解决网络安全问题刻不容缓。

Campus network is to use modern network technology, multimedia technology, based on the application of the computer network, the school internal network, on the other hand, can be independent schools within the scattered users connected, achieve internal interworking, on the other hand, can realize the campus network and Internet users outside of interchange. In recent years, with the rapid development of information technology, a high efficient, abundant resources, the campus has become widely used normal colleges and universities teaching, scientific research and management of an indispensable component.

However, with the development of the informatization of education in universities and colleges, one built their campus network and Internet network, the informatization construction in the school play a crucial role. But must see, with the rapid expansion of the scale of campus network, the network users of rapid growth, especially in the campus network faces of the particularity of the use of the Internet has (knowledge, have intense curiosity, but relatively dim consciousness of legal discipline), how to guarantee the normal operation of campus network can not affected by various network hacker of many universities becomes an urgent problem of the inevitable, to solve the problem of network security.

四川化工技术学院

The campus network is the use of modern network technology, multimedia technology based on set up is mainly used in the school's internal computer network, on the one hand, the campus network can be distributed in schools within the independent users banded together to achieve interoperability within the other On the one hand, the campus network can be achieved internal users and external Internet networks interoperable. With the rapid development of information technology in recent years, a high-speed efficient, resource-rich, widely used college campus network has become a normal teaching, research, management an essential component. However, with the continuous advance of information technology in education, tertiary institutions have successively set up their own campus network and connected to the Internet, campus network in the school's information technology play a crucial role. However, we must see that, with the rapid expansion of the size of the campus network, the rapid growth of Internet users, especially the campus network are facing the special nature of user groups (with some network knowledge, have a strong curiosity and thirst for knowledge, the law a sense of discipline is relatively indifferent), how to ensure the normal operation of the campus network can be from various networks against hackers in all colleges and universities has become an urgent problem can not be avoided to solve network security issues without delay.

The campus network is the use of modern network technology, multimedia technology based on set up is mainly used in the school's internal computer network, on the one hand, the campus network can be distributed in schools within the independent users banded together to achieve interoperability within the other On the one hand, the campus network can be achieved internal users and external Internet networks interoperable. With the rapid development of information technology in recent years, a high-speed efficient, resource-rich, widely used college campus network has become a normal teaching, research, management an essential component. However, with the continuous advance of information technology in education, tertiary institutions have successively set up their own campus network and connected to the Internet, campus network in the school's information technology play a crucial role. However, we must see that, with the rapid expansion of the size of the campus network, the rapid growth of Internet users, especially the campus network are facing the special nature of user groups (with some network knowledge, have a strong curiosity and thirst for knowledge, the law a sense of discipline is relatively indifferent), how to ensure the normal operation of the campus network can be from various networks against hackers in all colleges and universities has become an urgent problem can not be avoided, To solve network security problem has become critical.

校园网是利用现代网络技术、多媒体技术等为基础建立起来的主要应用于学校内部的计算机网络：Campus network is the use of modern network technology, multimedia technology based on set up is mainly used in the school's internal computer network, 一方面，校园网可以将分散于学校内部的各独立用户联结起来，实现内部的互联互通，另一方面，校园网可以实现校内用户与校外Internet网的互通。随着近年来信息技术的迅猛发展，一个高速高效、资源丰富、应用广泛的校园网已经成为高校正常教学、科研、管理工作的一个必不可少的组成部分。 On the one hand, the campus network can be distributed in schools within the independent users banded together to achieve interoperability within the other hand, the campus network can be achieved internal users and external Internet networks interoperable. With the rapid development of information technology in recent years, a high-speed efficient, resource-rich, widely used college campus network has become a normal teaching, research, management an essential component. 然而，随着教育信息化的不断推进，各高等院校都相继建成了自己的校园网络并连入互联网，校园网在学校的信息化建设中扮演了至关重要的角色。 However, with the continuous advance of information technology in education, tertiary institutions have successively set up their own campus network and connected to the Internet, campus network in the school's information technology play a crucial role. 但必须看到，随着校园网络规模的急剧膨胀,网络用户的快速增长，尤其是校园网络所面对的使用群体的特殊性（拥有一定的网络知识、具备强烈的好奇心和求知欲、法律纪律意识却相对淡漠） However, we must see that, with the rapid expansion of the size of the campus network, the rapid growth of Internet users, especially the campus network are facing the special nature of user groups (with some network knowledge, have a strong curiosity and thirst for knowledge, the law a sense of discipline has been relatively indifferent) 如何保证校园网络能正常的运行不受各种网络黑客的侵害就成为各个高校不可回避的一个紧迫问题，解决网络安全问题刻不容缓。 How to ensure the normal operation of the campus network can be from various networks against hackers in all colleges and universities has become an urgent problem can not be avoided to solve network security issues without delay