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wireguard disallow a lot of geo subnets (piefed.blahaj.zone)
submitted 4 months ago by to c/networking@sh.itjust.works
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i have a ton of all russian subnets which i doesnt want route through vpn due vpn monitoring on rzzian faschist services, and services which blocking all non-rzzian ips

also since i wanna use wireguard(amneziawg obsurfication fork, since plain wg is blocked) on a openwrt system soooo maybe there are way to route all traffic thru wg interface but subnet list thru plain interface

aaaaaaaaa i dont have much openwrt stuff knowledge,

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[–] [S] 2 points 4 months ago (1 child)

as i understand i can do by one subnet separatly but the problem that there are 1000+ subnets, maybe i dont know some feature to load an ipset file also uguguhguhg isnt parsing 1000+ subnets are load on cpu?

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  • [–] 3 points 4 months ago

    I'm not sure how a firewall would help, you'd definately want to do this from the routing table.

    isnt parsing 1000+ subnets are load on cpu?

    IPv4 addresses are basically just 32bit numbers, any somewhat modern CPU can check through 1000 routes in nanoseconds.

    Also 1000+ seems a bit excessive, you should be able to aggregate some of those subnets into a few bigger ones. There are calculators online for this, or you can script it.

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