SEEI – Page 23 – Software Effect Enterprises, Inc

NagiosQL does not restart Nagios version 4.0.8

Posted on September 23, 2016 by SEEISeptember 23, 2016

edit the file /var/www/nagiosql32/admin/verify.php and change the line: $strCommandString = “[“.mktime().”] RESTART_PROGRAM;”.mktime(); to be $strCommandString = “[“.mktime().”] RESTART_PROGRAM;”.mktime().”\n”; also edit the file /var/www/nagiosql32/scripts/do_config.php and change the line: $strCommandString = “[“.mktime().”] RESTART_PROGRAM;”.mktime(); to be $strCommandString = “[“.mktime().”] RESTART_PROGRAM;”.mktime().”\n”; H/T https://support.nagios.com/forum/viewtopic.php?f=7&t=24161

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You do not have sufficient permissions to manage plugins on this blog

Posted on August 29, 2016 by SEEIAugust 29, 2016

If you have the WP Security plugin installed and you get the message “You do not have sufficient permissions to manage plugins on this blog”, you need to Find “WP Security” in the wordpress dashboard Select: Filesystem Security – PHP … Continue reading →

Using UUID to Mount Disk

Posted on July 5, 2016 by SEEIJuly 5, 2016

In linux, hard drive dev assignments can get changed between reboots – especially with external/removable drives. This means using /dev/sdX or /dev/hdX is not the best way to mount a drive that needs to be mounted every time at boot. … Continue reading →

Web Site Certificate/SSL Tests

Posted on May 13, 2016 by SEEIJune 16, 2019

I have found the following two sites helpful in finding issues with the configuration of SSL secured web sites https://ssltools.digicert.com/checker/ https://www.ssllabs.com/ssltest/analyze.html Test which ciphers (TLS, SSL, etc) are enabled nmap -sV –script ssl-enum-ciphers -p 443 www.yourdomain.com Ref: https://nmap.org/nsedoc/scripts/ssl-enum-ciphers.html

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Specific Whitelist/Blacklist per IP for Zimbra

Posted on May 10, 2016 by SEEIMay 10, 2016

Edit /opt/zimbra/maps/postfix_black_white_list Add the following entries # a comment 5.5.5.5 REJECT Stop sending me spam 4.4.4.0/24 REJECT All your servers are compromised fubar.com REJECT I want no email from anyone@fubar.com .fubar.com REJECT I dont want email from your subdomains either … Continue reading →

Zimbra and modifying main.cf

Posted on May 3, 2016 by SEEIMay 3, 2016

There are a couple of customizations that can only be done by editting the /opt/zimbra/postfix/conf/main.cf file. The problem is, if you do any upgrades, you loose your changes. After being burned by this, I added this script to my servers … Continue reading →

Zimbra Rejects Email From Some iPhone Clients

Posted on March 12, 2016 by SEEIFebruary 27, 2017

A user with an iPhone sends and email with an attachment to a recipient on a Zimbra server. The email is rejected and the following entry is made in the log: Mar 8 16:08:41 mx2 postfix/cleanup[20141]: 654AD251CD: reject: header Content-Type: … Continue reading →

Enable IPv6 on Zimbra version 8

Posted on March 10, 2016 by SEEIMarch 10, 2016

zmprov ms `zmhostname` zimbraIPMode both /opt/zimbra/libexec/zmiptool zmcontrol restart Then update /etc/sysconfig/ip6ables and execute service ip6tables restart

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Zimbra Encrypted PDF Files Flagged As Viruses

Posted on February 25, 2016 by SEEIFebruary 25, 2016

By default, emails with an encrypted PDF or archive (i.e. zip) attachment will be blocked by Zimbra’s antivirus program, ClamAV. The user will be notified by an email titled ‘VIRUS (Heuristics.Encrypted.PDF) in mail FROM….’ with a message containing ‘A virus … Continue reading →

“Created slice user-0.slice.” and “Starting Session 6642 of user root.” in /var/log/messages

Posted on February 25, 2016 by SEEIFebruary 25, 2016

I found the following entries in my /var/log/messages file Feb 21 03:50:01 vm1 systemd: Created slice user-0.slice. Feb 21 03:50:01 vm1 systemd: Starting Session 6642 of user root. Feb 21 03:50:01 vm1 systemd: Started Session 6642 of user root. These … Continue reading →