Network technologies and trends:

Microsoft Windows

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February 10, 2017  8:12 PM

Cisco launches “Umbrella” Secure Internet Gateway

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Box, Cisco, cloud, DNS, GATEWAY, Internet, IP, IPS, malware, Network, Office 365, OpenDNS, Proxy, SaaS, Security, URL, Web

Cisco launches the industry first secure internet gateway (SIG) in the cloud with an intention to address the security requirements of todays; mobile, cloud-connected enterprise. And Umbrella happens to Cisco's Secure Internet gateway product. In past, organisations contained their services like...

February 8, 2017  7:19 AM

Palo Alto Networks launches PAN-OS 8.0

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
AWS, Azure, cloud, Cyberattacks, Data Center, Firewalls, GATEWAY, Internet, KVM, NSX, OpenStack, Palo Alto Networks, Phishing, Private Cloud, Public Cloud, SaaS, Sandbox, VM, VMware, Wildfire

On February 7, 2017 Palo Alto Network launched PAN-OS 8.0 with more than 70 new enhancements and capabilities which can prevent successful cyberattacks.


February 7, 2017  9:13 AM

Apple iOS 10.2.1 and Palo Alto Global Protect issues

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
"Apple Store", Apple, GATEWAY, IOS, Palo Alto Networks

The recent Apple iOS 10.2.1 update has created an issue with Palo Alto global protect agent for iOS devices. Its been observed that the Palo Alto Global Protect client hangs and never opens. The only way one could open a Global Protect client is uninstall and reinstall it. Once the client is...


January 16, 2017  12:27 PM

What is the error “rpf-check Result: DROP” in Cisco ASA Packet-tracer?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Access List, ASA, Cisco, firewall, NAT

When it comes to troubleshooting with Cisco ASA Firewalls one usually rely on packet-tracer options. However NAT configuration and the way how ACL configured changes from version 8.4. Rather than configuring the ACL for a public IP, a private IP address is used as shown below


December 20, 2015  4:49 AM

How to capture packets in Cisco VIRL?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Cisco, Packet capture, Packet Sniffing, router, SSH, Telnet, Wireshark

With the introduction of Cisco VIRL 1.0.0,capturing the  traffic has become quite simpler. One can now directly click the link on a device and do a packet capture. , in this post lets see how we can capture the traffic in Cisco VIRL and analyse it. Step 1: Login in to VRIL server form your web...


December 18, 2015  6:34 PM

How to configure Cisco VIRL – VMMaestro to use external telnet and SSH Client?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
router, SSH, Telnet

Cisco VIRL comes with an internal SSH and Telnet client which is quite good and it opens all the SSH and telnet sessions within VMMaestro GUI, but if some one wants to use Secure CRT on  their MAC as external client, one can easily configure the changes in VIRL VMMaestro,


September 9, 2015  7:11 AM

How to access Palo Alto firewall for the first time?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
firewall, HTTP, Palo Alto Networks, SNMP, Telnet

Palo Alto firewalls comes with a built in out of band management interface, labeled MGT and a serial console cable. One can access the Palo Alto firewall by connecting his/her laptop with an IP address in 192.168.1.0/24 subnet to the management interface and can access the firewall using a...


July 31, 2015  12:47 PM

Windows 10 is officially released

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Microsoft, Microsoft software, Windows, Windows 10, Windows 7, Windows 8

On 29th of July 2015, Microsoft announced the Public release of Windows 10. With less than 24 hours of release it was it was reported over 14 million copies of Windows 10 installed world wide. Looks like people were waiting for this release quite eagerly. “We’re humbled and...


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