Configured the next EPON OLT BDCOM P3310B-2AC and P3310C-2AC.Continue reading “How to configure BDCOM P3310”
I noticed somehow that mail from Cpanel does not open through the Web Roundcube, SquirrelMail, Horde, and also you can’t connect to mail from PHP scripts.Continue reading “How to solve Cpanel::MailAuth: cphulk blocked login for user to access service ‘mail’”
To block multicast ip addresses I will use ACL. Using an example of multicast, IPTV is broadcast via D-Link DGS-3612G and suppose that some channels need to be blocked, for this we create the following ACL rules:Continue reading “Blocking multicast IP addresses on D-Link”
If there are several sites with SSL on the same IP address, then old ancient browsers that do not support SNI will not be able to determine which certificate to download and will most likely download the first one that is registered at the beginning of the web server configuration.Continue reading “The problem with multiple SSL on the same IP”
I will give an example of setting the trunk port on the EPON ONU connected to the BDCOM OLT.Continue reading “Adding ONU with trunk port on BDCOM”
For the test, I’ll configure BDCOM P3608-2TE with firmware 10.1.0E build 46085.Continue reading “Configuring BDCOM P3608-2TE”
Once, a vulnerability was revealed on one of the file hosting services through which an attacker could upload files to a PHP server and execute it, the vulnerability was fixed and just in case, I wrote a script that would send an email if a PHP file was found in the specified directory:Continue reading “Script for email notifications when detecting prohibited files”
Usually I use Zabbix to monitor free space on the disk system, which also notifies when it is running out, but Zabbix is not used on some servers, so I wrote a small script that performs this check and sends an email notification, for example, if there is less than 12Gb of free memory:Continue reading “Script to check the free space on the HDD”
I will give an example of a quick installation of Asterisk on Ubuntu Server.
I will install it on versions 14.04 LTS and 16.04 LTS.
Since the settings are almost the same on airMAX® M Series Ubiquiti devices, this instruction will work with Rocket, NanoBridge, LiteBeam, NanoBeam, airGrid, etc.Continue reading “Port forwarding on Ubiquiti (UBNT) devices”