public:passwd_change

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public:passwd_change [2023-03-16 12:22] – veselypublic:passwd_change [2024-11-01 13:13] (current) – [for Domain account [D]] jnov
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 Because of security measure, CERGE-EI distinguishes between __network (domain) passwords__ and __mailserver passwords__. Because of security measure, CERGE-EI distinguishes between __network (domain) passwords__ and __mailserver passwords__.
  
-As a result, there are different passwords for: +As a result, there are 
- + <font inherit/inherit;;inherit;;#ffff00>different passwords</font>  for your:
-  * your **domain account **//**ad.cerge-ei.cz**//  (Active Directory) used for network logon, VPN, web, TAS etc. [D] +
-  * your **Zimbra mail exchange**  server account [X] +
-  * your **Zimbra archive mail**  server account (if available) [A]+
  
 +  * **Domain Account **//**ad.cerge-ei.cz**//  (Active Directory) used for PC/network logon, Moodle/CMS, CEIS, VPN, internal web, TAS etc. [D]
 +  * **Zimbra Mail exchange**  server account [X]
 +  * **Zimbra Archive mail**  server account (if available) [A]
 ===== Reset Password Guidelines ===== ===== Reset Password Guidelines =====
  
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 //Username is usualy in the format **nsurname**  (first letter of name + surname, max. 8 characters. e.g. jdoe, bsprings, …). *// //Username is usualy in the format **nsurname**  (first letter of name + surname, max. 8 characters. e.g. jdoe, bsprings, …). *//
  
-There are two basic ways how you can change your domain account:+**Password policy**
  
-  * the first way: **Windows login page** \\ <WRAP round center tip 100%>Press Ctrl+Alt+Delete → click “Change a password…” , type your old password followed by a new password as indicated, and then type the new password again to confirm it. \\ </WRAP> +* Password is case sensitive. \\ 
-  * the second way: **Password Self-Service Portal ** \\ <WRAP round center tip 100%> Go to the address **[[https://portal.cerge-ei.cz/pwm|https://portal.cerge-ei.cz/pwm]]** and log with your domain account. You can also **reset forgotten password**  if necessary (you have to have your mobile phone registered at the portal in advance to be able reset password via SMS). \\ </WRAP>+* Must be at least 9 characters long. \\ 
 +* Must include at least 4 letters. \\ 
 +* Must include at least 1 number. \\ 
 +* Must have at least 1 symbol (non letter or number) character. \\ 
 +* Must have at least 1 lowercase letter. \\ 
 +* Must have at least 1 uppercase letter. \\ 
 +* Must not include any of the following values: test pass 1234 4321 0000 cerge \\ 
 +* Must not include part of your name or user name. \\ 
 +* Must not include a common word or commonly used sequence of characters. \\ 
 +* 24 Latest passwords remembered.
  
-* You can find out your username at the self-service portal → click //[Forgotten User Name]//  button at the Password Self-Service Portal+=== Change password === 
 + 
 +There are two basic ways how you can change your domain account password: 
 + 
 +  * the first way: **Windows login page**<WRAP round center tip 100%>Press Ctrl+Alt+Delete → click “Change a password…” , type your old password followed by a new password as indicated, and then type the new password again to confirm it. 
 + 
 +</WRAP> 
 + 
 +  * the second way: **Password Self-Service Portal **<WRAP round center tip 100%> Go to the address **[[https://portal.cerge-ei.cz/pwm|https://portal.cerge-ei.cz/pwm]]**  and log with your domain account. 
 + 
 +</WRAP> * You can find out your username at the self-service portal → click //[Forgotten User Name]//  button at the Password Self-Service Portal 
 + 
 +=== Reset password === 
 + 
 +<WRAP round center important 100%>You can also **reset forgotten password**  if necessary. You have to have your **mobile phone registered**  at the portal in advance to be able reset password via SMS. If you do not have mobile registered yet, you may send registration request to helpdesk@cerge-ei.cz 
 + 
 +</WRAP>
  
 See [[:public:user_accounts|User Accounts]] page for more details… See [[:public:user_accounts|User Accounts]] page for more details…
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 {{:public:pasted:20230214-163743.png}} {{:public:pasted:20230214-163743.png}}
  
-[[https://mail.cerge-ei.cz</font|Server: https://mail.cerge-ei.cz</font]]>+There are two basic ways how you can change your Zimbra Mailserver account password:
  
-Use [[https://mail.cerge-ei.cz|webmail]] for [[:public:emai:zimbra_password|Zimbra Password change ]] <WRAP round center tip 100%>__**PWMX - Self-service Portal**__  Go to the address [[https://portal.cerge-ei.cz/pwmx|https://portal.cerge-ei.cz/pwmx]] and log with your Zimbra account.+  * the first way: Access [[https://mail.cerge-ei.cz|Zimbra Webmail]] ([[https://mail.cerge-ei.cz|https://mail.cerge-ei.cz]])<WRAP round center tip 100%>See [[:public:emai:zimbra_password|Zimbra Password change ]] for detailed instructions.</WRAP>
  
-User name is in short format (e.g. **jnovak**).+  * 
 + 
 +the second way: Use [[https://portal.cerge-ei.cz/pwmx|PWMX - Self-service Portal]] for Zimbra Mail Exchange:<WRAP round center tip 100%>__**PWMX - Self-service Portal**__  Go to the address [[https://portal.cerge-ei.cz/pwmx|https://portal.cerge-ei.cz/pwmx]] and log with your Zimbra account.
  
 You can also **reset forgotten password**  at the PWMX Portal if necessary You can also **reset forgotten password**  at the PWMX Portal if necessary
 +
 +User name is in short format (e.g. **jnovak**).
  
 **Important!**  You need to have ** mobile phone number registered at the portal**  in advance to be able reset password via SMS (Pager attribute) **Important!**  You need to have ** mobile phone number registered at the portal**  in advance to be able reset password via SMS (Pager attribute)
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 ==== Locking the account and mailbox ==== ==== Locking the account and mailbox ====
  
-Account is temporarily locked after several unsuccessful logon attempts with wrong password to avoid abuse and brute force password breaking. \\ There are three significant parameters of this feature:+Account is temporarily locked after several unsuccessful logon attempts with wrong password to avoid abuse and brute force password breaking. \\ 
 +There are three significant parameters of this feature:
  
   * permissible number of failed attempts;   * permissible number of failed attempts;
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   * timeout of unlocking.   * timeout of unlocking.
  
-The account is locked if the number of allowed fails is exceeded. Failed attempts are counted during the time window. If logon attempts with wrong password stop, the counter is reset after the time window is over. If the account is locked, after the quarantine time it is unlocked again. \\  \\ <WRAP round center box important 60%>**Special warning for smartphone users**+The account is locked if the number of allowed fails is exceeded. Failed attempts are counted during the time window. If logon attempts with wrong password stop, the counter is reset after the time window is over. If the account is locked, after the quarantine time it is unlocked again. \\  \\ 
 +<WRAP round center box important 60%>**Special warning for smartphone users**
  
 Smartphones usually use remembered password repeatedly regardless of its validity. Than you can easily lock the mailbox unintentionally.</WRAP> Smartphones usually use remembered password repeatedly regardless of its validity. Than you can easily lock the mailbox unintentionally.</WRAP>
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 ==== Threshold parameters - Active Directory ==== ==== Threshold parameters - Active Directory ====
  
-The Active Directory (shortly AD) serves as authentication authority for local network shares, desktop login, internal web pages, CEIS, CMS, Reporting etc. \\  \\ Account lockout duration: **3 minutes** \\ Account lockout threshold: **7 invalid logon attempts** \\ Account lockout counter reset: **after 3 minutes**+The Active Directory (shortly AD) serves as authentication authority for local network shares, desktop login, internal web pages, CEIS, CMS, Reporting etc. \\  \\ 
 +Account lockout duration: **3 minutes** \\ 
 +Account lockout threshold: **7 invalid logon attempts** \\ 
 +Account lockout counter reset: **after 3 minutes**
  
 ==== Threshold parameters - Zimbra mailer ==== ==== Threshold parameters - Zimbra mailer ====
  
-Number of consecutive failed logons allowed: **10** \\ Time to lockout the account: **30 minutes** \\ Time window in which the failed logons must occur to lock the account: **1 hour** \\  \\ Although the AD account is locked earlier, it is also quickly unlocked. If the attack over the mailer persists, the lock on the mailer is activated for a longer period and produces no new lock of the AD account.+Number of consecutive failed logons allowed: **10** \\ 
 +Time to lockout the account: **30 minutes** \\ 
 +Time window in which the failed logons must occur to lock the account: **1 hour** \\  \\ 
 +Although the AD account is locked earlier, it is also quickly unlocked. If the attack over the mailer persists, the lock on the mailer is activated for a longer period and produces no new lock of the AD account.
  
 ===== FACTS / HINTS ===== ===== FACTS / HINTS =====
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   * **One account for all services**  (called Domain Account). There is **only ****one**** login name and password**  which serves **for**  almost **all applications**  and services at CERGE-EI (Login to computer; Network shares, CEIS; CMS; Reporting; internal web pages; printers etc.) Password may be changed **ONLY ONCE per day**.   * **One account for all services**  (called Domain Account). There is **only ****one**** login name and password**  which serves **for**  almost **all applications**  and services at CERGE-EI (Login to computer; Network shares, CEIS; CMS; Reporting; internal web pages; printers etc.) Password may be changed **ONLY ONCE per day**.
   * Usually you have an **independent password for Email Server Zimbra**  - including Webmail, SMTP and IMAP access; This case you can change the email password via Zimbra webmail. Than you can have two different passwords (recommended mode). Use [[https://mail.cerge-ei.cz|webmail]] for [[:public:emai:zimbra_password|Zimbra Password change ]] )   * Usually you have an **independent password for Email Server Zimbra**  - including Webmail, SMTP and IMAP access; This case you can change the email password via Zimbra webmail. Than you can have two different passwords (recommended mode). Use [[https://mail.cerge-ei.cz|webmail]] for [[:public:emai:zimbra_password|Zimbra Password change ]] )
-  * <del>If you have an **older account**  at CERGE-EI you can still have the **password synced between email and domain**. Coordinate accounts separation with the IT office in advance. __Do not change the email password via Zimbra webmail to make it independent, it could lock your network account.__ </del> +  * <del>If you have an **older account**  at CERGE-EI you can still have the **password synced between email and domain**. Coordinate accounts separation with the IT office in advance. __Do not change the email password via Zimbra webmail to make it independent, it could lock your network account.__ </del>  * **Passwords must meet complexity requirements**
- +
-  * **Passwords must meet complexity requirements**+
       * Passwords **must not contain the user's name or username**       * Passwords **must not contain the user's name or username**
       * Passwords **must contain characters from the following four categories**:       * Passwords **must contain characters from the following four categories**:
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  • Last modified: 2023-03-16 12:22
  • by vesely