https://net.nthu.edu.tw/netsys/ 2026-04-12T16:33:43+08:00 https://net.nthu.edu.tw/netsys/ https://net.nthu.edu.tw/netsys/_media/wiki:favicon.ico text/html 2018-08-22T10:59:58+08:00 https://net.nthu.edu.tw/netsys/en:faq:ask_a_good_question How to report the problem？ The problems of computers or networks may involve many factors, such as the software versions, settings, hardware, network locations, and so on. If you can provide the more detailed information, it is helpful to deal with the problem. Some recommended information is listed below. text/html 2018-08-01T13:53:05+08:00 https://net.nthu.edu.tw/netsys/en:faq:cheat_of_password Will the System Manager Request User to Provide Mailbox Password? * Please note that the system manager will not require users to provide the password, even if you see the message issued by the center (sender forgery is fairly easy, and no absolute way to prevent), so do not provide your password to anybody! text/html 2020-04-23T14:43:35+08:00 https://net.nthu.edu.tw/netsys/en:faq:check_mbox How to check the mailbox status? In the event of a POP3 retrieval issue, the online mailbox diagnostic service can help users quickly determine whether the issue exists on the PC side or the mail server side and thereby find a solution. The diagnostic system simulates POP3 client operation and reads mail from the specified mailbox (the system does not delete mail from the server), to obtain information such as whether the mail server is operating normally, the subject line and quantity of email… text/html 2018-08-01T13:59:04+08:00 https://net.nthu.edu.tw/netsys/en:faq:daily_bandwidth_limit Does the School have Daily Traffic Limitation？ * Every physical IP have 6GB totally traffic limitation. * For individual IP addresses of administrative, teaching units and dormitories, if the total flow has exceed the limitation, the transfer rate will reduced to 512Kbps/256Kbps（up/download）until midnight of the next day. Currently there is no any traffic restriction. text/html 2025-10-29T12:22:59+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_net_apply How to apply for the NTHU Dormitory Internet？ Application description： * NTHU students who live in dormitories could apply for the dormitory network. * The dormitory network service is for the use of our school's residents and fall within the scope of on-campus. Therefore, the dormitory network management system will be restricted to the school's internal network using to reduce potential external network risks. text/html 2024-02-16T13:19:54+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_net_apply_sample Dormitory Network Application Process Description: The following example is based on Internet Explorer 11! Step1 * The dormitory network service is for the use of our school's residents and fall within the scope of on-campus. Therefore, the dormitory network management system will be restricted to the school's text/html 2018-12-12T15:45:20+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_net_pcri Please Respect Intellectual Property Rights * Student dormitory network provides service for boarders to do activities related to academic researches through campus network. * Data transfer that infringes upon intellectual property rights through campus network is a serious act against text/html 2024-02-16T13:13:59+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_net_ua_apply Procedures for applying the NTHU student Dormnet account * Login AIS. Connect to <https://www.ccxp.nthu.edu.tw/ccxp/INQUIRE/index.php?lang=english> * Enter your AIS password. |}} * Click “Division of Network Systems” * Click right side “Division of Network Systems” * Click bottom “Dormnet Account text/html 2020-08-10T10:05:44+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_net_ua_apply2 How to apply for a NTHU student Dormnet account via Ineternet * * Procedures for applying the NTHU student Dormnet account text/html 2018-08-22T14:20:43+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_net_useless What should I do If My Dorm Net Suddenly Offline？ Possible cause： * Infringe upon intellectual property rights or attack the campus network cause the computer’s IP banned(IP Status Inqiury) * Violation of the Dormitory Network Usage Policy cause the usage right disabled by the manager( text/html 2025-02-12T15:15:59+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_network_config Network config - TCP/IP settings Description: The following example is based on Microsoft Windows 8/10 Enterprise(In-campus Authorized Software)! users check HERE. users check HERE. users check HERE. Step1 * Click on the network icon in the lower right corner of the screen, then click the text/html 2025-09-22T14:05:49+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_network_config2 Network config - TCP/IP settings for Wifi Router Description： Due to the numerous brands and models of Wifi routers on the market, we cannot explain them in a unified manner. We recommend that you refer to the manual to set up the Wi-Fi router or search on Google. Thank you. text/html 2025-02-12T15:12:13+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_network_config_macos13 How to set up network TCP/IP Description： The following setting examples are mainly based on Apple macOS Sequoia 15.x. For macOS Monterey 12.x users, please checkHERE users check HERE users check HERE. users check HERE Step1 * In the upper left corner of the screen, click text/html 2025-02-12T15:10:52+08:00 https://net.nthu.edu.tw/netsys/en:faq:domitory_network_config_win11_23h2_adv Network config - TCP/IP settings Description: The following example is based on Microsoft Windows 11(23h2) Enterprise(In-campus Authorized Software)! users check HERE. users check HERE. users check HERE. Step1 * Click on the network icon in the lower right corner of the screen, then click the text/html 2025-10-29T12:22:42+08:00 https://net.nthu.edu.tw/netsys/en:faq:dormitory_shortuse How to apply DormNet if i am a short term exchange student？ The process of ID certification and the application of short term exchange student’s DormNet account is mainly produced by “Division of general student affairs” or “Center for continuing education”. text/html 2019-11-27T10:53:15+08:00 https://net.nthu.edu.tw/netsys/en:faq:how_printscreen How to respond my problems by taking a screen capture? It’s a better way (refer to "How to report a problem") for us to deal with the problem quickly. A real time screen record is helpful for us to understand your problem and respond you more quickly and effectively. Therefore, a text/html 2014-07-30T17:28:35+08:00 https://net.nthu.edu.tw/netsys/en:faq:http_error_code HTTP error status code and message Kinds of factors probably make users fail to surf the internet or open the page. Use the error status code and message show on the browser to identify the problem. The error status code is told by server. The following are some common HTTP error status code and message for reference. text/html 2014-07-31T10:41:13+08:00 https://net.nthu.edu.tw/netsys/en:faq:http_ssl_missing Internet Explorer Cannot Connect to HTTPS Website 1. Case Description User responses using the Internet Explorer browser to connect to the Webmail (https://webmail.mx.nthu.edu.tw/) unable to open the home page, but browse other pages (http://) is normal. text/html 2016-09-23T16:31:01+08:00 https://net.nthu.edu.tw/netsys/en:faq:ip What Should I Do If My IP is Banned？ Please go to <http://net.nthu.edu.tw/> 「Abused Network Usage」for online report. If the IP has banned less than three times, after the online report, system will resume the IP at 08:00, 12:00 and 17:00 every day through Monday to Friday；If the IP has banned more than three times, print the application form for dormitory network resumption and deliver to the CCC information desk of 2nd floor after signed by the network manager of respective units. text/html 2014-07-30T16:09:53+08:00 https://net.nthu.edu.tw/netsys/en:faq:juniper_sslvpn_cannot_launch Unable to create a network connection by using Windows Platform Chinese account name start Juniper Network Connect? Problem The test find that if user’s home directory path contains Chinese characters (usually a Windows user account name that contains Chinese characters) will cause Juniper Network Connect unable to establish a connection. After users log in SSL-VPN system and start Network connect, a screen appeared like the following. Waiting for a long time and then timeout, yet it can’t est… text/html 2014-07-30T16:15:31+08:00 https://net.nthu.edu.tw/netsys/en:faq:juniper_sslvpn_download_failed An error message “Failed to download the application. Please sign in and try again. If the problem continues, please contact your system administrator” appeared when you download and install Juniper SSL VPN. System will check if you have installed Network Connect automatically when you log in Juniper SSL VPN and then update the program to the latest version. If the error message like the following appeared and still fail to install after many tries, please text/html 2014-07-30T16:05:05+08:00 https://net.nthu.edu.tw/netsys/en:faq:juniper_sslvpn_ip_changed Juniper SSL-VPN shows error message “Sorry, your session on this machine expired. To re-login, please enter your user information, otherwise for increased security please close your browser.” Q&A Juniper SSL-VPN service provided now doesn’t activate “Roaming session” feature because of safety reason. The reason that error message like the following picture appeared when you used SSL-VPN is your connection source IP address in this session had been changed (for example: IP 140.114.63.5 change t… text/html 2014-07-30T17:11:56+08:00 https://net.nthu.edu.tw/netsys/en:faq:juniper_sslvpn_java_not_found I have installed Java, however, I still can’t start Juniper Network Connect by browser？ Description I have followed the instructions to install the latest version of Java Runtime Environment. Why can’t I start Juniper Network Connect after logging-in SSL-VPN and screen would stop at the follow picture? It always shows the error message that I have to install the latest version of Java. text/html 2014-07-30T16:02:07+08:00 https://net.nthu.edu.tw/netsys/en:faq:juniper_sslvpn_tryneoterisstartup Juniper Network Connect show error message : "The value of the property "tryNeoterisStartup" is null or undefined, not a function object" Problem When you start Juniper Network Connect, an error message “The value of the property “tryNeoterisStartup text/html 2011-08-09T10:57:30+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_change_password How to reset your email password? * If you forget your password, according to your status, please complete the suitable application form as below, and submit it to CCC information desk. * Online service for NTHU students, faculty and staff * [Email account application form for NTHU organization] * For an organization email account, can change it by the old password via the below online service. Note that the effective time for new password is at 9:00, 12:00, and 15:00 every day, in p… text/html 2020-04-22T15:12:19+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_missed Why Did I Not Receive my Email? The problem may result from the Sender Side or Recipient Side. * Sender Side: The mail may not have been sent, or was sent but was rejected for various reasons. This part requires the sender to confirm: whether the mail was sent, whether the correct email address was entered, and whether a text/html 2020-05-29T12:37:08+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_poplog_query How to query mailbox access log? Some users have, for some reason (see examples below), mistakenly assumed that emails in their account were disappearing or that the email system was behaving abnormally. To help users view their mail deletion history and the IP address of logins text/html 2020-04-22T15:30:10+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_quota_size What is the Storage Capacity of the Email Account Provided by the Center? * In principle, the email account provided by the Center is provided for the long term. * The email (including webpage) storage capacity is as follows: * Student email storage capacity: For details, please see text/html 2019-08-22T09:53:48+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_redirect How do I forward email to another email account or download Mail? In principle, mails that were received within one year by a mail address hosted by the Center can be downloaded or forwarded through the mail reporter to another account. The method involves logging in to the text/html 2020-02-24T15:38:52+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_report_disable How Do I Activate or Deactivate the Spam Filter? Through the anti-spam service provided by the Center, the user can decide whether or not to activate spam filtering through the mail reporter (activated by default). If deactivated, all mails will be accepted, except those on the blacklist text/html 2020-02-24T16:12:27+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_report_ok_mail_list How Do I Activate or Deactivate Periodic Notification Mails? Users can decide whether to receive notification emails from the anti-spam service provided by the Center through the Mail Reporter (The system, by default, sends anti-spam email notifications every day around midnight, but does not send notifications for valid emails or virus-infected emails) The method for changing the settings is as follows: text/html 2019-04-30T09:16:14+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_reporter How Do I Log into Mail Reporter？ There are two ways to log into Mail Reporter : Method 1 : From the webpage * You must use your actual account username and password to log in. A mail alias cannot be used to log in from the webpage. Please use the notification mail to log in. text/html 2019-06-05T10:03:57+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_reporter_folder How Do I Find Mail in the Mail Reporter? * Log in to Mail Reporter。 * Select “Mailbox” at the left. * By mail source - select the appropriate mail folder on the left: * Inbox( Inbound ): Means that the mail was sent to your email address. * text/html 2021-09-28T14:49:21+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_reporter_folder_n How Do I Find Mail in the Mail Reporter? * Login to Mail Reporter。 * Please select the “security” page. * Please select the appropriate mail folder. * Email subfolder * All mails: You can view the email which was received and sent to your email address. text/html 2021-09-08T15:12:20+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_reporter_n How Do I Log into Mail Reporter？ There are two ways to log into Mail Reporter : Method 1 : From the webpage * You must use your actual account username and password to log in. A mail alias cannot be used to log in from the webpage. Please use the notification mail to log in. text/html 2019-08-22T09:40:38+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_rescue Can I Recover Deleted Mail? In principle, mails that were received by an email address hosted by the Center can be recovered through the mail reporter within 1 year of reception. Mails cannot be recovered if they arrived earlier than that time. The recovery method involves logging into the mail reporter and selecting “Resend”; Please refer to the following for details: text/html 2020-03-10T15:01:40+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_smtp_query_system How to check if your email was delivered? Usually, SMTP services do not provide users with the ability to check their mail sending log. As a service to users, the Division provides a SMTP Log Query System (for NTHU IP addresses only) for the SMTP outgoing mail server. The system allows users to check detailed sent mail records within the past month to see detailed information, such as whether the mail was successfully sent or bounced. In addition, if the number of outgoing email exceeds 200 ite… text/html 2020-11-18T09:27:48+08:00 https://net.nthu.edu.tw/netsys/en:faq:mail_white_black_address How do I manage the customized blacklist and whitelist in the anti-Spam System? The anti-spam system provided by the Center allows users to use notification mail or the mail reporter to set customized blacklists and whitelists. Email from whitelisted senders are always considered valid, while email from blacklisted senders are marked as spam. (Since the Center’s SMTP server is whitelisted by default, adding this server on your customized blacklist has no effect). Users can add important contact… text/html 2019-01-29T09:50:09+08:00 https://net.nthu.edu.tw/netsys/en:faq:nc_windows_setup_24324 Error code "nc.windows.setup.24324" code appears when installing Juniper Network Connect If your installation of Juniper Network Connect was unsuccessful and error code 「nc.windows.setup.24324」 appears, follow the steps below to manually download the installer and reinstall it. text/html 2014-07-30T15:55:41+08:00 https://net.nthu.edu.tw/netsys/en:faq:net_mac_ip How to Inquiry my Network card Address？ Network card Address, named as MAC address or Physical address, used to define the device’s location. If you have further interest about MAC Address, refer toWikipedia-MAC Address。 Step 1 * Press「Start」 * Type「cmd」and press「Enter」Key text/html 2014-07-30T17:34:03+08:00 https://net.nthu.edu.tw/netsys/en:faq:network_tracing_route How to Obtain Trace Route Information User may use tracing route tools to obtain more information to facilitate CCC to confirm which section of route is abnormal. 1.Windows Operation Systems can use tracert command ( Using traceroute instead on Linux ) enter following line in command prompt： text/html 2019-02-26T15:46:08+08:00 https://net.nthu.edu.tw/netsys/en:faq:search How to quickly find information on our website The Division website includes descriptions of services such as the campus network, Internet applications, network security, and the telephone system. Since there are many items, users may use the keyword text/html 2014-07-30T16:46:42+08:00 https://net.nthu.edu.tw/netsys/en:faq:setup_dns_server Why we have to set up DNS server To connect to the Internet, we need to set up DNS servers correctly, and each application will work properly.。 * Take browsing the web as an example. After type http://net.nthu.edu.tw/ into the address bar, client will find out destination IP address of “net.nthu.edu.tw” in order to communication with it (because information of destination IP address is necessarily to send packets to destination). If a computer can’t find out destination IP address, you may s… text/html 2018-08-22T11:22:59+08:00 https://net.nthu.edu.tw/netsys/en:faq:setup_sep_firewall How to prevent open DNS resolver by setting up Symantec Firewall？ We can prevent PC running open DNS resolver by changing firewall setting. We’ll take Symantec as an example, please follow these step. * Turn on Symantec Endpoint Protection, click text/html 2018-08-22T11:22:40+08:00 https://net.nthu.edu.tw/netsys/en:faq:setup_windows_firewall How to prevent open DNS resolver by setting up Windows Firewall？ If Windows 7 runs open DNS resolver, we can avoid it by setting up Windows firewall. Please follow these steps. * Open Control Panel，click “System and Security”，and then click “Windows Firewall”. In the left pane, click “Advanced settings”. text/html 2018-08-22T11:22:14+08:00 https://net.nthu.edu.tw/netsys/en:faq:setup_windows_service How to disable Windows 7 ICS service to avoid open DNS resolver？ If Windows 7 has open DNS resolver，we can avoid it by disabling . Here’s how to set up. * Open Control Panel，click “System and Security”，and then click “Administrative Tools”. text/html 2014-07-30T16:42:14+08:00 https://net.nthu.edu.tw/netsys/en:faq:software_bandwidth_limit Does the School have Any Traffic Limitation for Specific Software Currently only P2P file transfer software was restricted, related information refers to P2P policy. text/html 2014-07-30T16:21:58+08:00 https://net.nthu.edu.tw/netsys/en:faq:vpn_kaspersky_cannot_connect AnyConnect is unable to establish SSL-VPN connection if Kaspersky Anti-Virus existing? After install Karpersky Anti-Virus (here take 6.0 for Windows Workstations R2 for example) and try to use SSL-VPN of our center. Although the authentication has completed, it can’t establish a connection. text/html 2025-01-10T17:14:00+08:00 https://net.nthu.edu.tw/netsys/en:faq:wlan_auth Campus Wireless LAN Authentication Method Every user must be authenticated before using the campus wireless network service. Users are asked to enter their Campus Wireless LAN Account information. After authentication, the user may use the campus wireless network services. The interface for entering account information will differ depending on the method of authentication text/html 2019-01-01T21:06:57+08:00 https://net.nthu.edu.tw/netsys/en:faq:wlan_getip Why can't I get an IP address or export the authentication page when accessing campus WiFi? * Connect to an access point with a name you recognize. In other words, one whose SSID begins with “nthu-” and the authentication method is Web authentication to obtain an IP address before authentication. text/html 2018-12-26T16:45:25+08:00 https://net.nthu.edu.tw/netsys/en:faq:wlan_how How do I use campus wireless network via a laptop or PC? * Laptops or personal computers should be able to access WiFi, meaning that it has a wireless adapter card that is functioning normally. * After confirming the step above, please refer to the text/html 2024-04-24T10:59:22+08:00 https://net.nthu.edu.tw/netsys/en:faq:wlan_range Wireless LAN Account Service Scope The scope of campus WiFi accounts applied by the Center is divided into two sections： * On-campus: Provides WiFi access when roaming through the campus * The Center has established and administered WiFi in public areas text/html 2023-12-21T10:10:45+08:00 https://net.nthu.edu.tw/netsys/en:faq:wlan_roaming How do I access WiFi during inter-school roaming? * When NTHU teachers and students are roaming off campus, please add after the account name. For example, if the account name is u940001, the format of the account is u940001@wlan.nthu.edu.tw. *