Categorie: mon

From now on the TTL value of ICMP ping replies is monitored, and an informative alarm is triggered when the value changes. This can be useful information to detect network topology changes. The alarm is cleared when the TTL value remains the same for 1 hour.

Microsoft maintains its own block-lists for spam detection: Smart Network Data Services (SNDS).  They are used on Hotmail.com, Live.com, Outlook.com, Office365.com and any custom domain hosted on the Microsoft mail servers.  More information can be found here.

The Zabbix server at mon.foxinnovations.be can now be used to monitor your IP-address on those lists.

The zabbix template is made public on my ZabbixCustomTemplates project on GitHub.

The Zabbix server installation on https://mon.foxinnovations.be was upgraded to 4.0 LTS.

See this link for a list of changes.

One of the most visible changes is the Time selector redesign.

If you want to monitor a SIP server using our monitoring, you can use the template Template App SIP.

A SIP OPTIONS method is sent over UDP, and the check waits for 5 seconds on a SIP response.  Currently only UDP is supported.

Two macros can be used to customize some behavior:

• {$SIP_CONTACT}: SIP contact to be used in OPTIONS request. By default sip:user@host is used, which works on SIP servers that don’t check the contact.
• {$SIP_UDP_PORT}: UDP port to be used.  By default: 5060

The template (with the external scripts) is open source, and available on Github.

Certificate expiration data before 2018-07-18 00:15:00 didn’t take webdomain/CN into account.  The default server certificate was used instead.  This resulted in all domain certificates hosted on the same server having the same wrong expiration date.

All data before that time has been removed.