asn2pf

package module

v0.1.21 Latest Latest Go to latest Published: Jul 15, 2023 License: BSD-3-Clause Imports: 13 Imported by: 0

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Dynamicly generate optimized firewall tables based on the full internet bgp prefix & asn tables. Process data from Source: iptoasn.com

go install paepcke.de/asn2pf/cmd/asn2pf@latest

Your Amazon dot should be able to communicate with the <amazon_aws>, but no other internet [network|server|service]?
Your iPhone should be able to communicate with the <apple_icloud>, but not with any of the <facebook_asn> [networks|server]?
Non of your devices should communicate with:
- declard but usually not connected, but often abused (US Department of Defense) network ranges?
- china great firewall <country_cn> networks?
- rfc1918 networks [private|martians|bogon] [asn:0] via your ISP uplink?
you want to [silently] [log|limit|stat] all your traffic with a specific full asn for pcap [analysis|decrypt|proof]?
your chatty TV should only allowed to communicate with <netflix_ipv6>, via a specific [ISP|route|limit]?
your smtp mail server takes no interest in offerings from <country_ru> <country_in> [unasked] inbound connects?

Supports any pf based firwall: macos, openbsd, freebsd, netbsd, pfsense, opensense, network focused linux distros.
Fast (parses more than One Million prefixes in millisecons).
Produces optimized tables for building with pf an optimal radix tree.
100 % pure golang, simple, easy to review code

asn2pf block drop log facebook amazon rfc1918 dod country:cn country:ru asn:13335
[...]

split and migrate prefix and asn table sources from all original authoritative creator sources (arin, ...)
use the asn radix tree package also for serialized/compresses/storage/published intermeds

Yes, Please! PRs Welcome!

package asn2pf produces pf firewall files from iptoasn.com tables

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func GenerateTables(file, store string, fetch, noip4, noip6 bool, cmd_terms []string, skiplist string)

GenerateTables ...

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Path	Synopsis
asnfetch package ansfetch validates, converts and fetchs missing asn db source files	package ansfetch validates, converts and fetchs missing asn db source files
cmd
asn2pf package main ...	package main ...
range2cidr 2022/01/20 paepcke.de/internal/range2cidr forked as [minimal\|static\|fast\|boiled-down\|optimized\|single-purpose] import-only!	2022/01/20 paepcke.de/internal/range2cidr forked as [minimal\|static\|fast\|boiled-down\|optimized\|single-purpose] import-only!