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Stateful Packet Inspection

A stateful firewall is a network-based firewall that individually tracks sessions of network connections traversing it. Stateful packet inspection also referred to as dynamic packet filtering, is a security feature often used in non-commercial and business networks

Emerging threats database

An IDS/IPS solution can be set up to either log or block network activities that are detected. This is accomplished through the use of rules, which are detection signatures. Rules can be generated from scratch by the user, or they can be enabled and downloaded from one of several pre-packaged rule sets. Pre-packaged rulesets help detect and guard against new threats when they emerge in the wild.

Deep Packet Inspection (DPI)

DPI allows security analysts to capture and assess full packet header and payload information in order to detect protocol compliance, spam, virus, intrusion, and other abnormal or malicious activity. DPI support is included in the Snort, Suricata, and NTOPNG packages.


A virtual private network (VPN) extends a private network across a public network, allowing users to send and receive data as if their computer equipment were physically linked to the private network.

Domain/URL filtering

The MESD list and the Shalla list are used by the NetKera to manage access to preconfigured lists of sites in specific categories such as social, adult, music, and sports. Additional domains and/or specific URLs designed to be blocked, such as,,, and so on, may also be added.

Easy configuration backup/restore
GeoIP blocking

GeoIP filtering can prevent hackers from assaulting your company by blocking web traffic from entire nations. Network connections are banned depending on their geographic location (as determined by IP addresses), which can then be used to filter and prevent outgoing and incoming connections to and from your company.

Captive portal guest network

A captive portal is a web page that is displayed to newly joined users of a Wi-Fi or wired network before they are permitted broader access to network resources. It is accessed by a web browser.

Concurrent IPv4 and IPv6 Support

The IPv4 address space is fast running out. IPv6 addresses are the way of the future, but they’ll have to coexist quietly for a long time. As a result, inbound and outbound NAT mapping for inbound and outbound traffic must support concurrent IPv4 and IPv6, making static route configuration on the router easier.

PPPoE Server

PPPoE (Point-to-Point Protocol over Ethernet) is a protocol for managing data transmission across Ethernet networks, allowing a single server connection to be used by several clients.

Anti-virus filtering
Application blocking

Snort and OpenAppID are used by NetKera to detect, monitor, and manage application activity on your network.


Anti-spoofing technology detects packets with forged addresses, resulting in better security.

Policy-based routing

Policy-based routing forwards and routes data packets depending on user-defined policies or filters, such as source and destination IP addresses, source and destination ports, traffic type, protocols, access list, packet size, and so on.


Intrusion Detection Systems (IDS) look for signatures that match known cyberattacks in network traffic. Intrusion Prevention Systems (IPS) not only analyse packets but can also prevent them from being transmitted, assisting in the halting of the attack.

Snort-based packet analyzer

Snort is a packet sniffer that analyses network traffic in real time, closely inspecting each packet for malicious payloads or suspicious anomalies.

Layer 7 application detection

Application and end-user activities such as HTTP and SMTP are supported by Layer 7, the OSI (Open System Interconnection) Model application layer. Malicious code that masquerades as genuine client requests and normal application data can pose a security risk at this layer.

Multi-node High Availability Clustering

High-availability clusters are a collection of firewalls or routers that can take over for one another in the case of a failure, reducing downtime. CARP (Common Area Redundancy Protocol) is used by the NetKera to offer failover redundancy for multiple firewalls / routers on the same local area network.