Network technologies and trends:

Networking


October 30, 2016  5:22 PM

Blue Coat Proxy SG Client Connection methods

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Networking

When Blue Coat Proxy SG is configured for internet in any of the mentioned deployment methods the client must need to establish connection with Blue Coat Proxy SG appliance.  A client uses either an explicit method or a transparent method to establish a connection. Explicit...

October 24, 2016  6:10 PM

Blue Coat Proxy SG Deployment methods – Virtually Inline Mode

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
firewall, GRE, Hardware, Network, Protocols, Proxy, router, Routing, Scalability, Switch, virtual, WCCP

In Virtually Inline deployment mode, the Proxy SG can be deployed in any network location, it relies on traffic redirection mechanisms like Web Cache Communication Protocol (WCCP) or Policy Based Routing (PBR) to redirect the interesting traffic, such as HTTP /HTTPS to the Proxy SG. WCCP is a Cisco...


September 30, 2016  11:23 AM

Cisco ASA FirePOWER Services and  High Availability – Series 3

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Arp, CCIE, Cisco Firewall, Cluster, context, Dynamic Routing, Failover, firewall, HA, LAN, NAT, NetFlow, Routing, Subnets, Syslog, TCP, UDP

The Cisco ASA Firewall with FirePOWER services can be deployed in Active/ Active failover, in this mode the ASAs must operate in multiple context mode.  Cisco is relying on failover groups for active Active/Active failover mode. A failover group comprises of logical groups, of one or more security...


September 26, 2016  4:43 AM

Cisco ASA FirePOWER Services and High Availability – Series 2

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Arp, Cisco Firewall, Dynamic Routing, Failover, firewall, NAT, NetFlow, Routing, Syslog, TCP, UDP

The Cisco ASA Appliances offers failover in following states

  • Stateless failover
  • Stateful failover.
By default Cisco ASA Appliance performs stateless failover and in this mode of operation, the Active Unit  does the following


September 24, 2016  6:31 PM

Cisco ASA FirePOWER Services and  High Availability – Series 1

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Arp, Cisco Firewall, Dynamic Routing, Failover, firewall, NAT, Routing, Syslog, TCP, UDP

The Cisco ASA Appliance  with FirePOWER Services is capable of offering high availability using failover and clustering. When it comes to failover , the Cisco ASA supports following types

  • Active/Standby
  • Active/ Active
The Cisco ASA Appliance  with FirePOWER...


September 17, 2016  6:29 AM

Cisco Router Selector may be your next tool to select the right router

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
Business, Cisco, Functional, Functional requirements, Network, Network design, router, SMB, tool, User experience, virtual

When it comes to designing a network one may need to think from many aspects, one such aspect happens to be the scalability. It’s been observed most of the SMBs rely purely on their team to choose the technology or the product. This fits true especially when they want to upgrade their old router...


September 13, 2016  1:55 PM

What is Cisco FMW portal?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, Checkpoint, Cisco, Cisco ASA, firewall, Juniper, Migration, Software

Migrating a Cisco ASA Firewall from older Cisco ASA platform to another Cisco ASA 5500 or 5500-X series platform or even from older ASA Version 7.2 (x), 8.0(x),8.1(x) or 8.2(x) to 9.1 (x) or 9.2(x) version, then one can rely on Cisco FWM portal. This web...


September 9, 2016  10:44 AM

What is Cisco Firepower Threat Defense (FTD)?

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
application, ASA, BGP, Cisco, Decryption, EIGRP, filtering, firewall, Integration, ISE, malware, Multicast, OSPF, RIP, Routing, Software, SSL, Static Routing, URL, VPN

Cisco Firepower Threat Defense (FTD) is a unified software image, which includes the Cisco ASA features and FirePOWER Services. This unified software is capable of offering the function of ASA and FirePOWER in one platform, both in terms of hardware and software features. This seems to be a good...


August 29, 2016  3:53 PM

Cisco ASA FirePOWER Services Licensing

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, Cisco, detection, firewall, License, malware, URL

In order to have the full Next Generation Features enabled on the Cisco ASA FirePOWER Module one should ensure that they have appropriate licenses. Currently Cisco is offering follow licenses for Cisco ASA FirePOWER Services License Types


August 26, 2016  6:17 AM

Shadow Brokers group and Cisco exploit

Yasir Irfan Yasir Irfan Profile: Yasir Irfan
ASA, Cisco, NSA, Security, SNMP, Software, vulnerability

The recent claims by Shadow Brokers group to have stolen hacking tools which might belong to the National Security Agency (NSA) has drawn interest of major Security vendors.  Cisco did acknowledge that there is a vulnerability in the Simple Network Management Protocol (SNMP) code of Cisco Adaptive...


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