Firewall Recommendations:

OPNsense:

• Can function as a router and firewall.
• Supports multi WAN, failover, and load balancing.
• "Quite happy with it" and "it works really well."

pfSense:

• Available on custom hardware.
• Can be complex for some users but popular.
• Can run wireguard gateways to NordVPN.
• Reliable for over a decade and good for routers.
• Migrating to OPNsense.

VyOS:

• CLI configuration without the need for a web UI.
• Utilized on Supermicro equipment.

Firewalla:

• Easy to configure, setup, and navigate.
• Has alerting feature.
• Higher price compared to DIY solutions.
• Mostly aimed at home users with simplicity.

Mikrotik:

• ARM-based router utilized by some users.
• No need for a dedicated firewall appliance for some users.

Arista Threat Edge Management:

• Enables VPN back home.

Sophos XG Home:

• Free NGFW option but not open source.
• Easy to install and configure.

UFW/nftables:

• Some users implement and prefer these firewall solutions for their systems.
• Offers granular control over rules and protection.

UDM Pro:

• Reported as not impressive as a Ubiquity ecosystem.
• Might hinder multiplayer gaming experiences in Pakistan.

TCPDump:

• One user suggests using TCPDump to observe real-time cyber attacks.

PureVPN/ProtonVPN/Virtual Private Networks:

• Considered when facing restrictions or privacy concerns.

Suggestions/Reactions on the Proposed Firewall Implementation in Pakistan:

• Users express concerns, skepticism, and dissatisfaction with political decisions.
• Comparisons to China's internet control and criticism of the government's actions.
• Suggestions include using VPNs to bypass restrictions.

Information on Encryption and Data Privacy:

• Clarifications on encryption in messaging platforms like WhatsApp.
• Discussion on the limitations of firewalls in accessing encrypted content.

Responses to User Notifications:

• Users provide advice on addressing strange notifications and usage of Telegram.

Overall, the Reddit comments cover different firewall products like OPNsense, pfSense, VyOS, and provide insights on user experiences, recommendations, and reactions to firewall implementations. Some users express concern and offer advice on addressing privacy and content encryption while discussing the implications of government regulations on internet access.