Review pfSense OpenVPN feature compatibility before enabling DCO
Data-channel offload changes processing and has constraints that can affect existing tunnels.
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Pin the pfSense default gateway before assigning a WireGuard interface
Leaving Automatic selected can make the new tunnel an unintended default route.
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Test pfSense WireGuard CARP maintenance separately from a powered-off node
A live former master can respond from a different address and influence the remote peer's endpoint.
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Choose one-peer or shared pfSense WireGuard tunnels around route ownership
A routing protocol cannot replace cryptokey peer selection inside a shared multi-peer tunnel.
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Explain pfSense voucher elapsed time before promising reusable guest hours
Logging out does not pause the voucher clock, and moving its use can stop the previous session.
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Classify pfSense DSCP traffic from the connection's first packet
A mark applied only after connection establishment may not influence the expected stateful classification.
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Decide whether a pfSense limiter is shared or masked per client
The same numeric limit can mean one shared bucket or many independent buckets.
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Review pfSense boot-time clock bootstrap separately from its running NTP service
A firewall can contact bootstrap time servers before the persistent daemon starts.
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Verify DHCP option 119 support on the client before changing pfSense search domains
A configured search list is ineffective when the client does not request or use the option.
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Plan the pfSense DHCP server-to-relay transition across all interfaces
The relay cannot simply be enabled beside the existing local DHCP server.
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