Search found 69 matches

by jasggomes
Mon Jul 30, 2018 6:58 am
Forum: Administrators
Topic: Dictionary attack via IMAP ??
Replies: 4
Views: 307

Re: Dictionary attack via IMAP ??

I also receive an email on a external account for every block that happens ... I'm thinking of removing the CSF rule and see what Zimbra will deal with this sort of attack on its own ... Hi, let the CSF working and don't waste Zimbra resources. ccelis Thank you for your reply. Last Friday I just cl...
by jasggomes
Wed Jul 25, 2018 12:57 pm
Forum: Administrators
Topic: Dictionary attack via IMAP ??
Replies: 4
Views: 307

Dictionary attack via IMAP ??

Hello everyone, On the last 2 days I'm seeing a pattern attack using IMAP port 143 against my Zimbra 8.8.7. I've a CSF FW implemented on this server, and it's also behind a PFsense FW, but this continues to going on, although it's not alarming 'much' me its annoying... On my csf.deny file I've those...
by jasggomes
Wed Mar 14, 2018 8:19 am
Forum: Installation and Upgrade
Topic: Upgrade from 8.8.6 to 8.8.7 problem sending Daily reports
Replies: 0
Views: 486

Upgrade from 8.8.6 to 8.8.7 problem sending Daily reports

Hi to all, After one month after my upgrade from 8.7.11 to 8.8.6 and I'm still dealing with some issues with this server. Last one, spotted yesterday, as I was seeing if the daily reports arrive correctly, as I was not receiving them on a daily basis. So yesterday I didin't see the report arriving a...
by jasggomes
Wed Mar 14, 2018 7:29 am
Forum: Administrators
Topic: Zimbra LOG flodded with messages from SLAPD
Replies: 6
Views: 991

Re: Zimbra LOG flodded with messages from SLAPD

Hi, Do you have LDAP Multi-master deployed? Hi, and thanks for your reply. It's a single server, and my users are authenticated agains an AD, but AFAIK thats not a multi-master deployment, regarding Zimbra config. As far I can see, this is happens when I do some activity on my EAS enabled account, ...
by jasggomes
Mon Mar 12, 2018 12:56 pm
Forum: Administrators
Topic: Zimbra LOG flodded with messages from SLAPD
Replies: 6
Views: 991

Zimbra LOG flodded with messages from SLAPD

Hi, suddendly my zimbra.log is beeing flodded with this: Mar 12 12:52:22 mail slapd[12891]: slap_queue_csn: queueing 0x4bb2cc0 20180312125222.299771Z#000000#000#000000 Mar 12 12:52:22 mail slapd[12891]: slap_graduate_commit_csn: removing 0x4bb2cc0 20180312125222.299771Z#000000#000#000000 Mar 12 12:5...
by jasggomes
Mon Mar 12, 2018 7:27 am
Forum: Announcements
Topic: Zimbra Collaboration & ZCO 8.8.7 now available
Replies: 9
Views: 1773

Re: Zimbra Collaboration & ZCO 8.8.7 now available

Hi to all,

Upgrade my ZCS 8.8.6 OSE w/patch to 8.8.7 on a Ubuntu 16.04 LTS VM last Sat, and apart from an issue with the 'zmstat', so far all seems ok.

Regards
JG
by jasggomes
Sun Mar 11, 2018 8:03 pm
Forum: Administrators
Topic: [Solved] Zmstats & Server HIGH CPU after reboot
Replies: 10
Views: 843

Re: Server HIGH CPU after reboot

Still watching the rain fall ... with my laptop and a big screen TV ... LoL Well, i managed to restore a backup from yesterday, and had a look inside of one of those huge files. in vm-csv, the file contains only the header for the csv ... weird .. this: timestamp, r, b, swpd, free, buff, cache, si, ...
by jasggomes
Sun Mar 11, 2018 9:32 am
Forum: Administrators
Topic: [Solved] Zmstats & Server HIGH CPU after reboot
Replies: 10
Views: 843

Re: Server HIGH CPU after reboot

Well, it's raining like hell here in Lisbon PT, so no bike ride for today ... So lets do some checks to keep me busy .. I went to CP and used the stats, to see if something strange appear and ... it did, look at the images below, thats not real at all, those values didn't happen. Stats for the last ...
by jasggomes
Sun Mar 11, 2018 8:52 am
Forum: Administrators
Topic: [Solved] Zmstats & Server HIGH CPU after reboot
Replies: 10
Views: 843

Re: Server HIGH CPU after reboot

This appears to happen from timer to time with the stats, if you search the forums you'll see various reports of large files and excessive CPU just like you've seen. If this is a 'new' server my inclination would be to reset the stats and see if the problems goes away - you'll only lose a couple of...
by jasggomes
Sun Mar 11, 2018 6:23 am
Forum: Administrators
Topic: [Solved] Zmstats & Server HIGH CPU after reboot
Replies: 10
Views: 843

Re: Server HIGH CPU after reboot

Hi jasggomes, Of course, your server or those stats aren't OK, you need to take phoenix advices in order to keep disk space. Show an excerpt of those files, sure there are many errors in it. ccelis I agree, but my point is, this is a completely new server and if there is errors on it maybe somethin...

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