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public:passwd_change [2023-03-16 12:21] – [Links] vesely | public:passwd_change [2023-03-27 09:49] – [for Domain account [D]] vesely | ||
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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 | + | As a result, there are |
- | + | < | |
- | * your **domain account **// | + | |
- | * your **Zimbra mail exchange** | + | |
- | * your **Zimbra archive mail** | + | |
+ | * **Domain Account **// | ||
+ | * **Zimbra Mail exchange** | ||
+ | * **Zimbra Archive mail** | ||
===== Reset Password Guidelines ===== | ===== Reset Password Guidelines ===== | ||
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//Username is usualy in the format **nsurname** | //Username is usualy in the format **nsurname** | ||
- | There are two basic ways how you can change your domain account: | + | === Change password === |
- | | + | There are two basic ways how you can change your domain account password: |
- | * the second way: **Password Self-Service Portal ** \\ <WRAP round center tip 100%> Go to the address **[[https:// | + | |
+ | | ||
+ | |||
+ | </ | ||
+ | * the second way: **Password Self-Service Portal **<WRAP round center tip 100%> Go to the address **[[https:// | ||
+ | </ | ||
* You can find out your username at the self-service portal → click // | * You can find out your username at the self-service portal → click // | ||
+ | |||
+ | === Reset password === | ||
+ | |||
+ | <WRAP round center important 100%>You can also **reset forgotten password** | ||
+ | |||
+ | </ | ||
See [[: | See [[: | ||
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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%> | + | 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%> | ||
Smartphones usually use remembered password repeatedly regardless of its validity. Than you can easily lock the mailbox unintentionally.</ | Smartphones usually use remembered password repeatedly regardless of its validity. Than you can easily lock the mailbox unintentionally.</ | ||
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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** | * **One account for all services** | ||
* Usually you have an **independent password for Email Server Zimbra** | * Usually you have an **independent password for Email Server Zimbra** | ||
- | * < | + | * < |
- | + | ||
- | * **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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< | < | ||
* Account is temporarily** locked after several unsuccessful logon attempts** | * Account is temporarily** locked after several unsuccessful logon attempts** | ||
- | * **Email clients** | + | * **Email clients** |
< | < | ||
* **Plan well before you change your password! **Recall all devices or applications with stored passwords (especially smartphones and tablets) in advance. | * **Plan well before you change your password! **Recall all devices or applications with stored passwords (especially smartphones and tablets) in advance. | ||
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More complex information is available in the [[: | More complex information is available in the [[: | ||
+ | |||
+ | -.- | ||
{{: | {{: | ||
+ | |||
+ |