Unable to access HP Aruba switch web interface / SSH

In this note, the issue of “unreachable web interface / SSH” on an HP Aruba switch is discussed. Users experiencing this problem have reported that they can connect to the switch via Telnet or ping the switch’s IP address. Some of the possible root causes for this issue include: In my own experience with an … Read more

Fortigate: Chrome can’t open pages

In infrastructures utilizing Fortigate firewall, it has been observed that users using the Chrome browser experience difficulties accessing certain web pages. No blocked applications, websites, or SSL anomalies are observed in Fortigate logs. The same users can access the mentioned web pages when using a different browser like Firefox. In some threads opened on the … Read more

How to Configure Windows Server NTP

How to Configure Windows Server NTP The correct server time is important for many applications and services. One of these services is domain controllers. It is important for computers running in a domain to have the correct time set. Otherwise, critical Active Directory services that require authentication, such as Kerberos, may experience serious problems. Time … Read more

How to Ping a Computer?

Ping is a network utility used to test the presence and quality of a connection to a server or a device with a specific IP address. A ping packet is a small data packet sent to the target computer and returned. The round-trip time of a ping packet reaching the target and coming back can … Read more

Blocking Google AMP on FortiGate

What is Google AMP? Google AMP is an open-source technology utilized to create web pages that load almost instantly on mobile devices. Issue on FortiGate It has been observed that the web filter rules applied on FortiGate do not take effect on sites utilizing Google AMP technology on mobile devices. Resolution Steps: To address this … Read more

Disabling chat in meetings organized within Teams

In Teams, by default, chat is open for participants in instant or scheduled meetings within the team. We may want to disable this. However, even if chat is set to closed in meeting policies for users, it is observed to be open in team meetings. In meetings directly scheduled on the calendar without team editing, … Read more