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There are three basic types of firewalls that are used by companies to protect their data & devices to keep destructive elements out of network, viz. Packet Filters, Stateful Inspection and Proxy Server Firewalls . Let us give you a brief introduction about each of these.

A firewall is a network security device that monitors incoming and outgoing network traffic and decides whether to allow or block specific traffic based on a defined set of security rules . Firewalls have been a first line of defense in network security for over 25 years.

With a built in database for authentication a firewall contains a built in authentication database. A user can authenticate against this database for access. The database is usually configured with multiple usernames and passwords .

SMS Firewall defends mobile networks against all SMS-based messaging attacks and provides full protection and control over all messaging on the network . All messages are routed through the firewall, analysed, and classified. This means even those to outbound roamers are screened.

We design and build technology that gives operators clear insights and comprehensive control over their signalling, with a focus on security, IoT, roaming, and analytics applications . Our products have all been rated as Tier 1 in Signalling Firewall, Steering of Roaming and SMS Firewall in independent research.

A firewall is a system designed to prevent unauthorized access to or from a private network . You can implement a firewall in either hardware or software form, or in a combination of both. Firewalls prevent unauthorized internet users from accessing private networks connected to the internet, especially intranets.

The SS7 firewall is a ‘signalling firewall’ used to protect mobile operators from SS7 Attacks . The SS7 firewall protects legacy networks (SS7 based) specifically against potential attacks, unauthorised senders, malformed messages, stolen mobile identities and much more.