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Input glossary

Settings inputs

Section titled “Settings inputs”
InputMeaningExample
Network interface nameThe server network device LetSecure protects.eth0
UI passwordPassword used to unlock the web panel.A long private password
Control panel sourceIP or subnet allowed to open LetCore.203.0.113.10
License keyYour LetSecure license.Paste from your account

Profile inputs

Section titled “Profile inputs”
InputMeaningExample
Allowed IPv4/CIDRSource address or subnet allowed to open SSH.203.0.113.10
SSH portPort used by your SSH server.22
HTTP portPort used by your website for plain HTTP.80
HTTPS portPort used by your website for HTTPS.443
New connectionsNumber of new web connections allowed during the DDoS protection window.1200
Window secondsTime window used for the DDoS connection threshold.60
Lockdown secondsHow long unknown new visitors are limited after a traffic flood is detected.120
Trusted secondsHow long recently active visitors stay trusted during website DDoS protection.600
Minecraft portPort used by your Minecraft server.25565

System profile inputs

Section titled “System profile inputs”
InputMeaningExample
Download keyDownloads the private SSH key generated by LetCore.letcore_ssh_access

Custom rule inputs

Section titled “Custom rule inputs”
InputMeaningExample
Rule nameLabel for your rule.Drop QUIC 443
ProtocolTraffic type to match.TCP
ActionDrop or allow matching traffic.Drop
Source IPv4/CIDRSender IP or subnet.203.0.113.0/24
Destination IPv4/CIDRReceiver IP or subnet.198.51.100.10
Source portPort used by the sender.Usually empty
Destination portService port on your server.443
Min packet lengthMatch packets at least this size.60
Max packet lengthMatch packets up to this size.1200
PPSPackets per second.10000
BPSBytes per second.1000000

CIDR examples

Section titled “CIDR examples”
ValueMeaning
203.0.113.10One IP address.
203.0.113.0/24A range of 256 IPv4 addresses.
0.0.0.0/0All IPv4 addresses. Use very carefully.