Vyacheslav, Автор в IT Blog

Huawei S2300 Switch SNMP OID List

I will give a list of some popular SNMP OID and MIB for the Huawei S2300 series of switches and the like.
I will use Huawei Quidway S2326TP-EI for the test.

ZyXEL Debug CLI

I will describe the possible console commands in Debug mode (Debug mode is enabled when ZyXEL devices are turned on).

IPTables rules for Accel-ppp

In this article I will give an example of IPTables rules for Accel-ppp.

Port forwarding on Mikrotik routers

To forward a port on the Mikrotik router, you need to open the “IP” – “Firewall” menu, select the “NAT” tab and add a new rule by clicking “Add new” or “+”.

Configure Hairpin NAT on RouterOS (Mikrotik)

In this article I will give an example of setting Hairpin NAT on RouterOS (Mikrotik).

I happen to have a server or a DVR in the local network, the ports to which are forwarded in the firewall, but you can connect only from other networks, and from the local network it is obtained only by the local IP address, but not external, on the WAN interface of the router.

Configuring Authorized IP on HP 5800

Authorized IP on the HP 5800 switch is used to allow telnet and http to connect to the switch only from specified IP addresses.

Backup Ubiquiti Device Configuration (UBNT)

Somehow, our Ubiquiti (UBNT) antennas beat thunderstorms, which then had to be repaired, changed and naturally tuned again. Therefore, I decided to make an automatic copy of the configuration.

ASUS RT-N53 Firmware Update

For example, I will update the firmware in the ASUS RT-N53 router with the installed version 1.1.1.1.70.

Installing the Let’s Encrypt plugin in cPanel & WHM

In this article I will give an example of installing the Let’s Encrypt plugin in cPanel (WHM).
Let’s Encrypt allows you to install free three-month certificates for domains and automatically renew them.

Setting up AutoSSL in cPanel

I will give an example of setting up AutoSSL in cPanel, which installs free three-month certificates, and also periodically renew them automatically. When certificates are installed, they are also configured in the Apache, Dovecot and Exim services.