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by L. Mark Stone
Fri Jun 12, 2020 9:26 pm
Forum: Administrators
Topic: Suddenly cannot login as admin
Replies: 17
Views: 2404

Re: Suddenly cannot login as admin

zim_mike wrote:Oddly, I get 'lockout' for the main one and 'active' for the secondary but still cannot log in with either.


Any DoSFilter entries in mailbox.log?
by L. Mark Stone
Fri Jun 12, 2020 9:14 pm
Forum: Administrators
Topic: Suddenly cannot login as admin
Replies: 17
Views: 2404

Re: Suddenly cannot login as admin

I have two administrator accounts on zimbra 8.8.11 and suddenly, I cannot get into either one, keep getting authentication failed on port 7071. I've changed the passwords from the CLI and even re-set them both as full administrators but keep getting the same. Server was rebooted, no difference. Wha...
by L. Mark Stone
Fri Jun 12, 2020 9:11 pm
Forum: Administrators
Topic: DoS Filter and IMAP / POP3
Replies: 6
Views: 2591

Re: DoS Filter and IMAP / POP3

Hi Mark, Thank you for your response. Here are the settings: [zimbra@mail ~]$ zmprov gcf zimbraHttpDosFilterMaxRequestsPerSec zimbraHttpDosFilterMaxRequestsPerSec: 100 [zimbra@mail ~]$ zmprov gcf zimbraInvalidLoginFilterDelayInMinBetwnReqBeforeReinstating zimbraInvalidLoginFilterDelayInMinBetwnReqB...
by L. Mark Stone
Thu Jun 11, 2020 3:02 pm
Forum: Administrators
Topic: Blocking SASL logins?
Replies: 10
Views: 1796

Re: Blocking SASL logins?

SASL is used by IMAP/POP clients to send email on port 587 after authenticating with their Zimbra credentials. I just did a blog post, albeit for Ubuntu's UFW, that shows how to implement fail2ban to block bad actors trying to brute force accounts using this vector. You'll need to use your own setti...
by L. Mark Stone
Thu Jun 11, 2020 2:55 pm
Forum: Administrators
Topic: DoS Filter and IMAP / POP3
Replies: 6
Views: 2591

Re: DoS Filter and IMAP / POP3

Hi, I got the same problem of not seeing any suspended IP's when testing the Zimbra DoS Filter if it indeed really works. I followed the configurations values in this blog post: https://www.missioncriticalemail.com/2018/10/19/using-zimbras-dosfilter-and-failed-login-lockout-policy-together/ cat ~/l...
by L. Mark Stone
Wed Jun 10, 2020 2:00 pm
Forum: Administrators
Topic: Preventing access to hacked account
Replies: 3
Views: 544

Re: Preventing access to hacked account

Have you checked this: https://wiki.zimbra.com/wiki/Using_and_ ... _attribute

Hope that helps,
Mark
by L. Mark Stone
Tue Jun 09, 2020 11:52 pm
Forum: Installation and Upgrade
Topic: 8.8.15 Patch 10 and 9.0.0 Patch 3 Released
Replies: 27
Views: 6410

Re: 8.8.15 Patch 10 and 9.0.0 Patch 3 Released

Thanks for posting the details Andy. Patch 10, CentOS6, crontab doesn't execute "*/2 * * * * /opt/zimbra/libexec/zmstatuslog > /dev/null 2>&1" so red X's in the Admin Console > Monitoring page because no status entries in /var/log/zimbra-stats.log. I've asked Zimbra to take a look to s...
by L. Mark Stone
Tue Jun 09, 2020 8:28 pm
Forum: Installation and Upgrade
Topic: 8.8.15 Patch 10 and 9.0.0 Patch 3 Released
Replies: 27
Views: 6410

Re: 8.8.15 Patch 10 and 9.0.0 Patch 3 Released

Andy wrote:ok I solved. The problem is with the P10 version of zmstatuslog - it doesn't work properly with crond. The version with P9 works perfectly - now the service status in the console is green.

Andy


Glad you got it sorted; curious what errors crond is throwing?

All the best,
Mark
by L. Mark Stone
Tue Jun 09, 2020 4:41 pm
Forum: Administrators
Topic: This is an Unsupported Version of Zimbra Docs
Replies: 0
Views: 463

This is an Unsupported Version of Zimbra Docs

Anyone using the lastest Zimbra Docs package get this error when opening a file for web editing?

(Screencap attached...)

Thanks!
Mark

P.S. I've opened a Support Case...
by L. Mark Stone
Mon Jun 08, 2020 7:44 pm
Forum: Installation and Upgrade
Topic: 8.8.15 Patch 10 and 9.0.0 Patch 3 Released
Replies: 27
Views: 6410

Re: 8.8.15 Patch 10 and 9.0.0 Patch 3 Released

Hi Andy,

What do you mean "you don't have alternate configurations in rsyslog.d"?

All the best,
Mark

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