52 lines
2.2 KiB
C
52 lines
2.2 KiB
C
#pragma once
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// Enables dynamic filters.
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// Disable this for better performance if you only plan on adding entries to the block and drop maps.
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#define ENABLE_FILTERS
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// Enables IPv4 range drop map.
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// Disable this if you don't plan on adding IPv4 ranges to the drop map as it will increase performance.
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//#define ENABLE_IP_RANGE_DROP
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// The maximum IP ranges supported in the IP range drop map.
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#define MAX_IP_RANGES 4096
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// The maximum amount of filters allowed.
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// Decrease this value if you receive errors related to the BPF program being too large.
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#define MAX_FILTERS 60
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// Feel free to comment this out if you don't want the `blocked` entry on the stats map to be incremented every single time a packet is dropped from the source IP being on the blocked map.
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// Commenting this line out should increase performance when blocking malicious traffic.
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#define DO_STATS_ON_BLOCK_MAP
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// Similar to DO_STATS_ON_BLOCK_MAP, but for IPv4 range drop map.
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#define DO_STATS_ON_IP_RANGE_DROP_MAP
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// When this is defined, a check will occur inside the IPv4 and IPv6 filters.
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// For IPv6 packets, if no IPv6 source/destination IP addresses are set, but there is an IPv4 address, it will ignore the filter.
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// The same goes for IPv4, if there is no IPv4 source/destination IP addresses set, if an IPv6 address is set, it will ignore the filter.
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#define ALLOW_SINGLE_IP_V4_V6
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// Enables filter logging through XDP.
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// If performance is a concern, it is best to disable this feature by commenting out the below line with //.
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#define ENABLE_FILTER_LOGGING
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// Maximum interfaces the firewall can attach to.
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#define MAX_INTERFACES 6
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// NOTE - If you're receiving a high volume of spoofed packets, it is recommended you disable rate limiting below.
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// This is because the PPS/BPS counters are updated for every packet and with a spoofed attack, the LRU map will recycle a lot of entries resulting in additional load on the CPU.
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// Enable source IP rate limiting.
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#define ENABLE_RL_IP
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// Enable source flow rate limiting.
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#define ENABLE_RL_FLOW
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// Maximum entries in source IP rate limit map.
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#define MAX_RL_IP 100000
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// Maximum entries in source flow rate limit map.
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#define MAX_RL_FLOW 100000
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// Maximum entries in block map.
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#define MAX_BLOCK 100000 |