When I opened some old Dahua NVR and IP cameras in the browser, I got a pop-up message: Please download the chrome app or Please install plugins first.
Continue reading “How to solve “Download chrome app” for Dahua”Category Archives: Hardware
Setting up Syslog on Huawei Quidway
As an example, I will set up sending logs from the Huawei Quidway S2326TP-EI switch to the syslog server.
Continue reading “Setting up Syslog on Huawei Quidway”Juniper: Setting up radius-disconnect
The radius-disconnect trigger allows not to immediately terminate the user’s session upon receiving a request from the radius server to terminate the session, but to wait until the client requests an extension of the IP address lease and only then send FORCERENEW to the client and terminate the session.
Continue reading “Juniper: Setting up radius-disconnect”Setting up BFD on Juniper MX
When one of the channels goes down and in order not to wait for a timer of tens of seconds to break the BGP session and delete the routes, it was necessary to configure the BFD (Bidirectional Forwarding Detection) protocol, which allows you to immediately notify BGP about this and delete the routes going through the non-working neighbor.
Continue reading “Setting up BFD on Juniper MX”Juniper. Port Blocking Filter
I will give an example of blocking SMTP port 25 TCP so that users cannot send spam to servers, that is, they cannot make an outgoing connection to the destination port 25 TCP, instead they can make a connection to ports with authorization and encryption, for example 465 or 587.
Continue reading “Juniper. Port Blocking Filter”iLO4 won’t open – SSL_ERROR_NO_CYPHER_OVERLAP
One day, the iLO4 web interface stopped opening on the servers, while iLO5 opened successfully.
Continue reading “iLO4 won’t open – SSL_ERROR_NO_CYPHER_OVERLAP”Setting up ETP4860-B1A2 (SMU11B) with Lifepo4 battery
As an example, I will configure ETP4860-B1A2 (SMU11B) with a 50A Lifepo4 battery.
Continue reading “Setting up ETP4860-B1A2 (SMU11B) with Lifepo4 battery”How to Configure Cisco C1121X-8P
Once I was asked to configure Cisco ISR C1121X-8P, this router model had only a MicroUSB console port, a regular cable was suitable for connection, a COM8 port appeared in the device manager, to which I was able to connect via putty at a speed of 9600.
Continue reading “How to Configure Cisco C1121X-8P”SNMP OID MIB for SMU11B ETP4860
One day I needed to research SNMP OID and write a Zabbix template for ETP4860-B1A2 (SMU11B).
Continue reading “SNMP OID MIB for SMU11B ETP4860”How to configure DH-IPC-HFW1431S1P-S4
For example, I will set up the Dahua DH-IPC-HFW1431S1P-S4 (2.8mm) 4MP IP camera.
Continue reading “How to configure DH-IPC-HFW1431S1P-S4”