1.原因/Cause：

一、 因外部網路攻擊與日俱增，為保護本校校內網路安全，將於今(110)年12月20日起啟用外對內連線預設阻擋，本項調整將不影響一般使用者之上網行為。/ Due to the increasing number of external network attacks, in order to protect the security of our school’s network, we will enable default blocking of external and internal connections from December 20th (110). This adjustment will not affect general users’ access to the Internet. behavior.

二、 對於需提供校外連線之校內伺服主機，請於今(110)年12月20日前，請伺服主機之IP管理人員於網管系統設定開放外對內連線，各單位網管人員資料詳 https://www.cc.ntust.edu.tw/p/405-1050-82090,c8356.php?Lang=zh-tw。/ For internal server hosts that need to provide off-campus connections, please ask the IP administrator of the server host to open the external-internal connections in the network management system before December 20, today (110). The information of the network administrators of each unit is detailed https://www.cc.ntust.edu.tw/p/405-1050-82090,c8356.php?Lang=zh-tw.

2.影響範圍/Affected Area：全校/Entire Campus

請預作準備，造成不便，敬請見諒。（Please be advised to make necessary preparations. We apologize for any inconvenience.）

聯絡電話/Contact：02-2737-6212 盧漢榮/ Mr. Lu.

                                 02-2737-6218 戴恩聰/ Mr. Tai.