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Exclude multicast and broadcast on WinDivert's filter #146

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merged 5 commits into from
Nov 6, 2024
Merged

Exclude multicast and broadcast on WinDivert's filter #146

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086ad48
Filter out multicast and broadcast on WinDivert
Jun 17, 2024
848b8db
Exclude loopback in WinDivert filter
Jun 17, 2024
cb9e0e7
Exclude multicast on WinDivert
Jul 16, 2024
fa22fdc
Merge branch 'mitmproxy:main' into multicast-windivert-exclude
Osherz5 Nov 6, 2024
8f67f57
Restore socket operations filter, and update network filter to exclud…
Osherz5 Nov 6, 2024
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6 changes: 4 additions & 2 deletions mitmproxy-windows/redirector/src/main2.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -109,12 +109,14 @@ async fn main() -> Result<()> {
// only needed for forward mode
// let _icmp_handle = WinDivert::new("icmp", WinDivertLayer::Network, 1042, WinDivertFlags::new().set_drop()).context("Error opening WinDivert handle")?;

// WinDivert's syntax supports IP ranges (https://github.com/basil00/Divert/issues/250#issuecomment-723515347)
let wd_filter = "((remoteAddr < 224.0.0.0 || remoteAddr > 239.255.255.255) && remoteAddr != 255.255.255.255 && !loopback) && (tcp || udp)";
let socket_handle = WinDivert::socket(
"tcp || udp",
wd_filter,
1041,
WinDivertFlags::new().set_recv_only().set_sniff(),
)?;
let network_handle = WinDivert::network("tcp || udp", 1040, WinDivertFlags::new())?;
let network_handle = WinDivert::network(wd_filter, 1040, WinDivertFlags::new())?;
let inject_handle = WinDivert::network("false", 1039, WinDivertFlags::new().set_send_only())?;

let tx_clone = event_tx.clone();
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