mirror of https://codeberg.org/CRXN/docs.git
7 lines
581 B
Markdown
7 lines
581 B
Markdown
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# Implement max-len filter
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To implement a max-length filter, we need a rule/policy/filter file that contains the corresponding prefixes with their maximum length. The entitydb contains a bash script `build_maxlen_filter.sh` for this purpose. If you run this script with the argument `babeld with-deny`, you will get a babeld-compatible list. The list includes rules to accept all maxlen-valid prefixes and filter all other CRXN prefixes.
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This list can now be saved in the configuration file before `in ip fd00::/8 le 64 ge 44 allow`. It is recommended to automate this process.
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