What are the things you need to look at before buying a firewall?
1) Architecture: Hardware Architecture or software Architecture
2) Sessions: How many concurrent firewall sessions does the firewall support
3) VPN: How many VPN tunnels can be concurrently run or established/ What VPN Protocols supported by Firewall (IPSEC/PPTP/L2TP)
4) Integration: How easy the firewall integration with other security solutions such as email security/web security/application security solutions.
5) Management: How easy the firewall can be managed (CLI/GUI) and centralized management for multiple firewalls.
6) High Availability Solution: Active/Active or Active/Standby
7) Layer 7 Features Support: How efficient the firewall is in providing the Layer 7 features such as Application Filtering/Web Filtering/IPS/Sandboxing
8) Throughput: How much throughput the firewall is providing after using all the Layer 7 features of the firewall.
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