Table of Contents

IP-SCAN-TCP-80/CODERED/NIMDA

Unordered List ItemAccording to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report. Thank you!

IP-SCAN-UDP-137

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-443/IP-SCAN-TCP-1052/IP-SCAN-UDP-1812/IP-SCAN-UDP-1978/IP-SCAN-UDP-2002/IP-SCAN-UDP-4516

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-445/IP-SCAN-TCP-1025/IP-SCAN-TCP-139

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-1433

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-25/DOS-TCP-25/EMAIL-VIRUS

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-UDP-1434

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-3127/IP-SCAN-TCP-3128/IP-SCAN-TCP-2766/IP-SCAN-TCP-8080/IP-SCAN-TCP-10080

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-135

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-ICMP-0

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-32773

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-5554/IP-SCAN-TCP-9996

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-22

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-3306

According to the network system records, your computer may be infected with one of the following viruses. However, with rapid growth of the number of viruses, we do not guarantee all types of viruses are included in our list. Please refer to the relevant network security information for the latest information. After fixing the problem, please inform us by online report.

IP-SCAN-TCP-10000/IP-SCAN-UDP-0/SSH-ATTACK

According to a system log, due to a computer virus or some other problem on your computer. For more information, please contact us on extension 31134(Teaching Network) or 31178(Dormitory Network).

MAIL-SPAM/OPEN-PROXY/OPEN-RELAY

According to a system log, your computer has a problem of sending mail spam, serving an open-proxy, or serving as an open-relay. Please resolve the issue and report to ___.

  1. What is mail spam?
    Mail spam, also known as junk e-mail or unsolicited bulk e-mail (UBE), is a subset of spam that involves nearly identical messages sent to numerous recipients by e-mail.

http://en.wikipedia.org/wiki/E-mail_spam

  1. How to prevent your computer from being a relay?
    If you have sendmail installed, please upgrade your sendmail to v8.9. If you have Microsoft Exchange installed, please upgrade it to the latest version. You should limit your SMTP server to be accessible from local IPs only.
  2. Will proxy servers send mails? They maight be dangerous open proxies.
    If the scope of the clients of a proxy is not restricted, a hacker may use the proxy to spam others. Such proxies would be banned by Department of Education.
  3. Is your computer banned? Your computer may be infected with a virus or has backdoor planted.
    Although some users themselves did not send out spams, or try to hack others' computers, they are still banned. When this happens, we would suggest the users to do a full virus scan, though the scan might not successfully detect the virus or backdoor programs.

PCRI

  1. Unable to useWeb Report Form
  2. Teaching, Administration Area: Suspected infringement must be reported in writing. Please download the “Suspected Infringement Report and IP Address Recovery Application Form” from Network Systems Division/Download Forms, and submit the form to the service counter on 2F of the Computer and Communication Center (Contact number: extension 31225). Thank you!
  3. Dormitory Area: Suspected infringement must be reported in writing after a 30 day suspension. Please download the “Student Dormitory Network Recovery Application Form” from Network Systems Division/Download Forms, and submit the form to the service counter on 2F of the Computer and Communication Center (Contact number: extension 31178). Thank you!

DNS-DoS

According to a system log, due to a computer virus or some other problem on your computer, the computer is repeatedly attacking the DNS with a lot of queries, please contact us on extension 31134.
The following lists possible reasons for your computer be banned,

TACERT

  1. Unable to useWeb Report Form
  2. The Ministry of Education Information and Communication Security Contingency Platform has notified us that your computer has generated a security issue due to a virus or other cause. You are required to email the following equipment information to the Computer and Communication Center at abuse@cc.nthu.edu.tw so that we may report the issue to the Ministry of Education Information and Communication Security Contingency Platform. This is also required for unblocking the network.
  3. If you live on-campus, please check the inbox of the email address you designated when you applied for dormitory Internet access. Thank you.


(* Required,◎ Not required)

FieldExample
IP address:ex: 140.114.22.33
Internet site(web-url):ex: https://www.xxx.edu.tw/cba.index
Equipment make and model:ex1: Asus TS100 E6
ex2: Acer AT110 F1
OS name and version:ex1: Centos Linux 5.4
ex2: Windows XP SP2
Compromised software (name/version):ex: sendmail server
Antivirus software (name/version):ex: Avira 10.0.0.561
Firewall (name/version):ex: iptables
IPS/IDS (name/version):ex: snort 2.8.3
Else (name/version):
Extent of damage:
Event and disposal description:
Assessment of possible affected area and damages:
Solutions:ex: Reinstall operation system

For any questions, please contact Mr. Lee directly at ext. # 31225, thank you.

OPEN-DNS-RESOLVER

  1. Able to useWeb Report Form
  2. According to the network system records, your computer has an open DNS resolver problem. If you wish to understand its cause and effects, please refer to open DNS resolver. Thank you!
  3. 3. If you are running Windows 7 or 8 as your operating system, please seeDNS problemin the FAQ section of this website for possible solutions.

OTHERS

Your computer has displayed improper Internet use behavior that is possibly due to a virus, a report by a party outside of the school, or other cause. Due to the special circumstances, the Web Report Form may not be used to unblock your network. For details, please contact us directly at ext. # 31225 for the academic area, or 31178 for the dormitory area. Thank you!